Richtek USA Inc. Products

IC REG LINEAR 1.8V 3A TO263-3

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1.8V
• Voltage - Output (Max): -
• Voltage Dropout (Max): 0.7V @ 3A
• Current - Output: 3A
• Current - Quiescent (Iq): -
• Current - Supply (Max): 3mA
• PSRR: -
• Control Features: -
• Protection Features: Over Current, Over Temperature
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-4, D2Pak (3 Leads + Tab), TO-263AA
• Supplier Device Package: TO-263-3

IC REG LINEAR 1.8V 600MA SOT89-3

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1.8V
• Voltage - Output (Max): -
• Voltage Dropout (Max): 0.58V @ 600mA (Typ)
• Current - Output: 600mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): 300µA
• PSRR: 55dB (1kHz)
• Control Features: -
• Protection Features: Over Current, Over Temperature
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: TO-243AA
• Supplier Device Package: SOT-89-3

IC REG LINEAR 1.8V 600MA SOT223

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1.8V
• Voltage - Output (Max): -
• Voltage Dropout (Max): 0.58V @ 600mA (Typ)
• Current - Output: 600mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): 300µA
• PSRR: 55dB (1kHz)
• Control Features: -
• Protection Features: Over Current, Over Temperature
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: TO-261-4, TO-261AA
• Supplier Device Package: SOT-223

IC REG LINEAR 2.8V/3.3V TSOT23-6

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 2
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 2.8V, 3.3V
• Voltage - Output (Max): -
• Voltage Dropout (Max): 0.33V @ 300mA, 0.33V @ 300mA
• Current - Output: 300mA, 300mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): 80µA
• PSRR: 70dB ~ 38dB (100Hz ~ 300kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature, Short Circuit
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6 Thin, TSOT-23-6
• Supplier Device Package: TSOT-23-6

IC REG LIN 1.8/2.5V 6WDFN

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 2
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1.8V, 2.5V
• Voltage - Output (Max): -
• Voltage Dropout (Max): 0.33V @ 300mA, 0.33V @ 300mA
• Current - Output: 300mA, 300mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): 80µA
• PSRR: 70dB ~ 38dB (100Hz ~ 300kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature, Short Circuit
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 6-WFDFN Exposed Pad
• Supplier Device Package: 6-WDFN (1.6x1.6)

IC REG LINEAR 1.3V/2.5V TSOT23-6

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 2
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1.3V, 2.5V
• Voltage - Output (Max): -
• Voltage Dropout (Max): 0.33V @ 300mA, 0.33V @ 300mA
• Current - Output: 300mA, 300mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): 80µA
• PSRR: 70dB ~ 38dB (100Hz ~ 300kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature, Short Circuit
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6 Thin, TSOT-23-6
• Supplier Device Package: TSOT-23-6

IC REG LINEAR 500MA 6-ZADFN

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): -
• Voltage - Output (Max): -
• Voltage Dropout (Max): -
• Current - Output: 500mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): -
• PSRR: -
• Control Features: -
• Protection Features: -
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 6-XFDFN Exposed Pad
• Supplier Device Package: 6-ZADFN (1.2x1.2)

IC REG LINEAR 250MA 4-ZQFN

• Output Configuration: -
• Output Type: -
• Number of Regulators: -
• Voltage - Input (Max): -
• Voltage - Output (Min/Fixed): -
• Voltage - Output (Max): -
• Voltage Dropout (Max): -
• Current - Output: 250mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): -
• PSRR: -
• Control Features: -
• Protection Features: -
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 4-XDFN Exposed Pad
• Supplier Device Package: 4-ZQFN (1x1)

IC REG BUCK ADJ 3A SYNC 8SOP

• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Output Type: Adjustable
• Number of Outputs: 1
• Voltage - Input (Min): 4.5V
• Voltage - Input (Max): 23V
• Voltage - Output (Min/Fixed): 0.8V
• Voltage - Output (Max): 15V
• Current - Output: 3A
• Frequency - Switching: 1.2MHz
• Synchronous Rectifier: Yes
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Supplier Device Package: 8-SOP-EP

IC REG BUCK ADJ 1.5A SYNC TSOT23

• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Output Type: Adjustable
• Number of Outputs: 1
• Voltage - Input (Min): 2.5V
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 0.6V
• Voltage - Output (Max): 3.4V
• Current - Output: 1.5A
• Frequency - Switching: 1MHz
• Synchronous Rectifier: Yes
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6 Thin, TSOT-23-6
• Supplier Device Package: TSOT-23-6

IC REG CTRLR BUCK 24WQFN

• Output Type: Transistor Driver
• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Number of Outputs: 2
• Output Phases: 2
• Voltage - Supply (Vcc/Vdd): 10.8 V ~ 13.2 V
• Frequency - Switching: 500kHz
• Duty Cycle (Max): 75%
• Synchronous Rectifier: Yes
• Clock Sync: No
• Serial Interfaces: -
• Control Features: Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: 24-WFQFN Exposed Pad
• Supplier Device Package: 24-WQFN (4x4)

IC REG CTRLR BUCK 16VQFN

• Output Type: Transistor Driver
• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Number of Outputs: 2
• Output Phases: 2
• Voltage - Supply (Vcc/Vdd): 10.8 V ~ 13.2 V
• Frequency - Switching: 300kHz
• Duty Cycle (Max): 75%
• Synchronous Rectifier: Yes
• Clock Sync: No
• Serial Interfaces: -
• Control Features: Current Limit, Phase Control, Power Good, Soft Start
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: 16-VQFN Exposed Pad
• Supplier Device Package: 16-VQFN (4x4)

IC VOLT DETECTOR 1.8V SOT23-3

• Type: Simple Reset/Power-On Reset
• Number of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: 35 ms Minimum
• Voltage - Threshold: 1.8V
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: TO-236-3, SC-59, SOT-23-3
• Supplier Device Package: SOT-23-3

IC PWR SWITCH USB 0.7A SOT23-5

• Switch Type: USB Switch
• Number of Outputs: 1
• Ratio - Input:Output: 1:1
• Output Configuration: High Side
• Output Type: N-Channel
• Interface: On/Off
• Voltage - Load: 2.7 V ~ 5.5 V
• Voltage - Supply (Vcc/Vdd): Not Required
• Current - Output (Max): 700mA
• Rds On (Typ): 90 mOhm
• Input Type: Non-Inverting
• Features: Load Discharge, Status Flag
• Fault Protection: Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
• Operating Temperature: -40°C ~ 100°C (TJ)
• Package / Case: SC-74A, SOT-753
• Supplier Device Package: SOT-23-5

IC USB POWER SWITCH TSOT23-5

• Switch Type: USB Switch
• Number of Outputs: 1
• Ratio - Input:Output: 1:1
• Output Configuration: High Side
• Output Type: N-Channel
• Interface: On/Off
• Voltage - Load: 2.7 V ~ 6 V
• Voltage - Supply (Vcc/Vdd): Not Required
• Current - Output (Max): 2A
• Rds On (Typ): 55 mOhm
• Input Type: Non-Inverting
• Features: Status Flag
• Fault Protection: Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: SOT-23-5 Thin, TSOT-23-5
• Supplier Device Package: TSOT-23-5 (FC)

IC USB POWER SWITCH TSOT23-5

• Switch Type: USB Switch
• Number of Outputs: 1
• Ratio - Input:Output: 1:1
• Output Configuration: High Side
• Output Type: N-Channel
• Interface: On/Off
• Voltage - Load: 2.7 V ~ 6 V
• Voltage - Supply (Vcc/Vdd): Not Required
• Current - Output (Max): 1.5A
• Rds On (Typ): 70 mOhm
• Input Type: Non-Inverting
• Features: -
• Fault Protection: Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: SOT-23-5 Thin, TSOT-23-5
• Supplier Device Package: TSOT-23-5

IC STEREO AMP 3W CLASS D 16SOP

• Type: Class D
• Output Type: 2-Channel (Stereo)
• Max Output Power x Channels @ Load: 3W x 2 @ 3 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 85°C (TA)
• Supplier Device Package: 16-SOP
• Package / Case: 16-SOIC (0.154", 3.90mm Width)

IC HV 4-CH LED DRIVER WDFN-20

• Type: -
• Topology: -
• Internal Switch(s): -
• Number of Outputs: -
• Voltage - Supply (Min): -
• Voltage - Supply (Max): -
• Voltage - Output: -
• Current - Output / Channel: -
• Frequency: -
• Dimming: -
• Applications: -
• Operating Temperature: -
• Mounting Type: Surface Mount
• Package / Case: 20-WFQFN Exposed Pad
• Supplier Device Package: 20-WQFN (5x5)

IC LED DRIVER 8SOP

• Type: -
• Topology: -
• Internal Switch(s): -
• Number of Outputs: -
• Voltage - Supply (Min): -
• Voltage - Supply (Max): -
• Voltage - Output: -
• Current - Output / Channel: -
• Frequency: -
• Dimming: -
• Applications: -
• Operating Temperature: -
• Mounting Type: -
• Package / Case: -
• Supplier Device Package: -

IC REG BUCK ADJ 3A TSOT23-8

• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Output Type: Adjustable
• Number of Outputs: 1
• Voltage - Input (Min): 4.5V
• Voltage - Input (Max): 24V
• Voltage - Output (Min/Fixed): 0.791V
• Voltage - Output (Max): 6V
• Current - Output: 3A
• Frequency - Switching: 500kHz
• Synchronous Rectifier: Yes
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: SOT-23-8 Thin, TSOT-23-8
• Supplier Device Package: TSOT-23-8 (FC)

USB TYPE-C AND USB PD CONTR

• Applications: USB Dedicated Charging Port (DCP), Power Switch
• Current - Supply: 2.2mA
• Voltage - Supply: 2.7V ~ 5.5V
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 32-WFQFN Exposed Pad
• Supplier Device Package: 32-WQFN (4x4)

IC REG CTRLR BUCK PWM 10WDFN

• Output Type: Transistor Driver
• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Number of Outputs: 1
• Output Phases: 1
• Voltage - Supply (Vcc/Vdd): 5.5V ~ 26.5V
• Frequency - Switching: 300kHz
• Duty Cycle (Max): 88%
• Synchronous Rectifier: Yes
• Clock Sync: No
• Serial Interfaces: -
• Control Features: Dead Time Control, Enable, Frequency Control, Phase Control, Ramp
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: 10-WFDFN Exposed Pad
• Supplier Device Package: 10-WDFN (3x3)

IC 2CH REFERENCE GENERATOR SOT28

• Reference Type: Series
• Output Type: -
• Voltage - Output (Min/Fixed): -
• Voltage - Output (Max): -
• Current - Output: -
• Tolerance: ±1%
• Temperature Coefficient: -
• Noise - 0.1Hz to 10Hz: -
• Noise - 10Hz to 10kHz: -
• Voltage - Input: 4.5V ~ 5.5V
• Current - Supply: -
• Current - Cathode: -
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: SOT-23-8
• Supplier Device Package: SOT-23-8

IC OFFLINE SWITCH 52WQFN

• Output Isolation: -
• Internal Switch(s): -
• Voltage - Breakdown: -
• Topology: -
• Voltage - Start Up: -
• Voltage - Supply (Vcc/Vdd): -
• Duty Cycle: -
• Frequency - Switching: -
• Power (Watts): -
• Fault Protection: -
• Control Features: -
• Operating Temperature: -
• Package / Case: -
• Supplier Device Package: -
• Mounting Type: -

IC REG CTRLR BUCK-BOOST WQFN-40

• Output Type: Transistor Driver
• Function: Step-Up/Step-Down
• Output Configuration: Positive
• Topology: Buck-Boost
• Number of Outputs: 2
• Output Phases: 1
• Voltage - Supply (Vcc/Vdd): 4.5V ~ 36V
• Frequency - Switching: 250kHz ~ 1MHz
• Duty Cycle (Max): -
• Synchronous Rectifier: No
• Clock Sync: No
• Serial Interfaces: I2C
• Control Features: Current Limit, Enable, Frequency Control, Power Good, Saturation, Soft Start
• Operating Temperature: -40°C ~ 125°C (TJ)
• Package / Case: 40-WFQFN Exposed Pad
• Supplier Device Package: 40-WQFN (5x5)

IC REG LIN ADJ 1.2A WDFN-8

• Output Configuration: Positive
• Output Type: Adjustable
• Number of Regulators: 1
• Voltage - Input (Max): 6.5V
• Voltage - Output (Min/Fixed): 0.8V
• Voltage - Output (Max): 5.5V
• Voltage Dropout (Max): 0.075V @ 1.2A
• Current - Output: 1.2A
• Current - Quiescent (Iq): 4 mA
• Current - Supply (Max): 5 mA
• PSRR: 60dB ~ 38dB (10kHz ~ 500kHz)
• Control Features: Current Limit, Enable, Power Good, Soft Start
• Protection Features: Over Current, Over Temperature, Reverse Current, Short Circuit, Under Voltage Lockout (UVLO)
• Operating Temperature: -40°C ~ 125°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: 8-WFDFN Exposed Pad
• Supplier Device Package: 8-WDFN-EL (3x3)

IC REG BUCK ADJ 2A TSOT23-6

• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Output Type: Adjustable
• Number of Outputs: 1
• Voltage - Input (Min): 4.5V
• Voltage - Input (Max): 17V
• Voltage - Output (Min/Fixed): 0.765V
• Voltage - Output (Max): 7V
• Current - Output: 2A
• Frequency - Switching: 1.4MHz
• Synchronous Rectifier: Yes
• Operating Temperature: -40°C ~ 125°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6 Thin, TSOT-23-6
• Supplier Device Package: TSOT-23-6 (FC)

IC REG CTRLR BUCK PWM WDFN-14

• Output Type: Transistor Driver
• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Number of Outputs: 1
• Output Phases: 1
• Voltage - Supply (Vcc/Vdd): 3V ~ 26V
• Frequency - Switching: 560kHz
• Duty Cycle (Max): -
• Synchronous Rectifier: Yes
• Clock Sync: No
• Serial Interfaces: -
• Control Features: Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Soft Start
• Operating Temperature: -40°C ~ 125°C (TJ)
• Package / Case: 14-WFDFN Exposed Pad
• Supplier Device Package: 14-WDFN (3x2)