Richtek USA Inc. Products

IC REG BUS TERMINATION 2A 8SOP

• Applications: Converter, DDR Bus Termination Regulator
• Voltage - Input: 1.7 V ~ 6 V
• Number of Outputs: 1
• Voltage - Output: Adjustable
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Supplier Device Package: 8-SOP

IC REG LIN 1.5/2.5V 6WDFN

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 2
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1.5V, 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 LIN 1.85V/1.85V 8WDFN

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 2
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1.85V, 1.85V
• 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: 8-WDFN Exposed Pad
• Supplier Device Package: 8-WDFN (3x3)

IC REG LIN 1.2/1.8V 6WDFN

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 2
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1.2V, 1.8V
• 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 12V 200MA SOT89-5

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 36V
• Voltage - Output (Min/Fixed): 12V
• Voltage - Output (Max): -
• Voltage Dropout (Max): 0.36V @ 10mA
• Current - Output: 200mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): 3.5µA ~ 5µA
• PSRR: -
• Control Features: Enable
• Protection Features: Over Current, Over Temperature
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: SOT-89-5/6
• Supplier Device Package: SOT-89-5

IC REG LINEAR 300MA TSOT23-5

• Output Configuration: -
• Output Type: -
• Number of Regulators: 1
• Voltage - Input (Max): -
• Voltage - Output (Min/Fixed): -
• Voltage - Output (Max): -
• Voltage Dropout (Max): -
• Current - Output: 300mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): -
• PSRR: -
• Control Features: -
• Protection Features: -
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5 Thin, TSOT-23-5
• Supplier Device Package: TSOT-23-5

IC REG BOOST ADJ 1.6A SOT23-6

• Function: Step-Up
• Output Configuration: Positive
• Topology: Boost
• Output Type: Adjustable
• Number of Outputs: 1
• Voltage - Input (Min): 2V
• Voltage - Input (Max): 6V
• Voltage - Output (Min/Fixed): 2V
• Voltage - Output (Max): 7V (Switch)
• Current - Output: 1.6A (Switch)
• Frequency - Switching: 500kHz
• Synchronous Rectifier: No
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6
• Supplier Device Package: SOT-23-6

IC REG BUCK ADJ 3A SYNC 12WDFN

• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Output Type: Adjustable
• Number of Outputs: 1
• Voltage - Input (Min): 2.7V
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1V
• Voltage - Output (Max): 5V
• Current - Output: 3A
• Frequency - Switching: 2MHz
• Synchronous Rectifier: Yes
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 12-WFDFN Exposed Pad
• Supplier Device Package: 12-WDFN (3x3)

IC REG BUCK ADJ 1.5A SYNC SOT23

• 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: SC-74A, SOT-753
• Supplier Device Package: SOT-23-5

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): 18V
• Voltage - Output (Min/Fixed): 0.765V
• Voltage - Output (Max): 8V
• Current - Output: 3A
• Frequency - Switching: 650kHz
• 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

IC REG BOOST ADJ 3.1A SYNC 9UQFN

• Function: Step-Up
• Output Configuration: Positive
• Topology: Boost
• Output Type: Adjustable
• Number of Outputs: 1
• Voltage - Input (Min): 1.8V
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1.8V
• Voltage - Output (Max): 5.5V
• Current - Output: 3.1A (Switch)
• Frequency - Switching: 500kHz
• Synchronous Rectifier: Yes
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 9-UFQFN
• Supplier Device Package: 9-UQFN (2x2)

IC REG BUCK ADJ 3A SOP-8

• 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): 20V
• Current - Output: 3A
• Frequency - Switching: 340kHz
• 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 4A 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): 18V
• Voltage - Output (Min/Fixed): 0.765V
• Voltage - Output (Max): 8V
• Current - Output: 4A
• Frequency - Switching: 650kHz
• 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 BCK ADJ 0.6A SYNC SOT23-5

• 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): 5.5V
• Current - Output: 600mA
• Frequency - Switching: 1.5MHz
• Synchronous Rectifier: Yes
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: SC-74A, SOT-753
• Supplier Device Package: SOT-23-5

IC REG CTRLR BUCK 8SOP

• Output Type: Transistor Driver
• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Number of Outputs: 1
• Output Phases: 1
• Voltage - Supply (Vcc/Vdd): 3 V ~ 13.2 V
• Frequency - Switching: 300kHz
• Duty Cycle (Max): 85%
• Synchronous Rectifier: Yes
• Clock Sync: No
• Serial Interfaces: -
• Control Features: Enable, Phase Control
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Supplier Device Package: 8-SOP

IC VOLT DETECTOR 3.3V SC70-3

• Type: Simple Reset/Power-On Reset
• Number of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: 143 ms Minimum
• Voltage - Threshold: 3.3V
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: SC-70, SOT-323
• Supplier Device Package: SC-70-3

IC USB POWER SWITCH SOT23-3

• 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): 1.8A
• 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: TO-236-3, SC-59, SOT-23-3
• Supplier Device Package: SOT-23-3

IC LED DRIVER LINEAR SOT23-6

• Type: Linear
• Topology: -
• Internal Switch(s): Yes
• Number of Outputs: 1
• Voltage - Supply (Min): 4.75V
• Voltage - Supply (Max): 48V
• Voltage - Output: -
• Current - Output / Channel: -
• Frequency: -
• Dimming: -
• Applications: -
• Operating Temperature: -40°C ~ 125°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6
• Supplier Device Package: SOT-23-6

IC OFFLINE CTRLR PWM

• Output Isolation: Isolated
• Internal Switch(s): No
• Voltage - Breakdown: -
• Topology: Flyback
• Voltage - Start Up: 14.5V
• Voltage - Supply (Vcc/Vdd): 12 V ~ 25 V
• Duty Cycle: 75%
• Frequency - Switching: 65kHz
• Power (Watts): -
• Fault Protection: Current Limiting, Over Load, Over Voltage, Short Circuit
• Control Features: -
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: SOT-23-6
• Supplier Device Package: SOT-23-6
• Mounting Type: Surface Mount

IC REG BUCK ADJ 6A SYNC UDFN-8

• Function: -
• Output Configuration: -
• Topology: -
• Output Type: -
• Number of Outputs: -
• Voltage - Input (Min): -
• Voltage - Input (Max): -
• Voltage - Output (Min/Fixed): -
• Voltage - Output (Max): -
• Current - Output: -
• Frequency - Switching: -
• Synchronous Rectifier: -
• Operating Temperature: -
• Mounting Type: Surface Mount
• Package / Case: 8-UDFN
• Supplier Device Package: 8-UDFN (FC) (2.5x2)

IC POWER MANAGEMENT

• Output Type: -
• Function: -
• Output Configuration: -
• Topology: -
• Number of Outputs: -
• Output Phases: -
• Voltage - Supply (Vcc/Vdd): -
• Frequency - Switching: -
• Duty Cycle (Max): -
• Synchronous Rectifier: -
• Clock Sync: -
• Serial Interfaces: -
• Control Features: -
• Operating Temperature: -
• Package / Case: -
• Supplier Device Package: -

IC POWER MANAGEMENT

• Output Type: -
• Function: -
• Output Configuration: -
• Topology: -
• Number of Outputs: -
• Output Phases: -
• Voltage - Supply (Vcc/Vdd): -
• Frequency - Switching: -
• Duty Cycle (Max): -
• Synchronous Rectifier: -
• Clock Sync: -
• Serial Interfaces: -
• Control Features: -
• Operating Temperature: -
• Package / Case: -
• Supplier Device Package: -

IC POWER MANAGEMENT

• Applications: -
• Voltage - Input: -
• Number of Outputs: -
• Voltage - Output: -
• Operating Temperature: -
• Mounting Type: -
• Package / Case: -
• Supplier Device Package: -

IC REG CTRLR BUCK PWM WDFN-10

• Output Type: Transistor Driver
• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Number of Outputs: 1
• Output Phases: 1
• Voltage - Supply (Vcc/Vdd): 1.5V ~ 24V
• Frequency - Switching: 300kHz
• Duty Cycle (Max): -
• 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: 10-WFDFN Exposed Pad
• Supplier Device Package: 10-WDFN (3x3)

IC LED DRV LIN PWM 20MA TSOT23-8

• Type: Linear
• Topology: Constant Current
• Internal Switch(s): No
• Number of Outputs: 3
• Voltage - Supply (Min): 2.8V
• Voltage - Supply (Max): 5.5V
• Voltage - Output: -
• Current - Output / Channel: 20mA
• Frequency: 1MHz
• Dimming: PWM
• Applications: Backlight
• 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

IC LDO 0.5A LOW DROPOUT WDFN-8

• Output Configuration: Positive
• Output Type: Adjustable (Fixed)
• Number of Regulators: 1
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 0.8V (1.5V)
• Voltage - Output (Max): 2.5V
• Voltage Dropout (Max): 0.5V @ 500mA
• Current - Output: 500mA
• Current - Quiescent (Iq): 250 µA
• Current - Supply (Max): -
• PSRR: -
• Control Features: Enable, Power Good
• Protection Features: Over Current, Over Temperature, Under Voltage Lockout (UVLO)
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 8-WFDFN Exposed Pad
• Supplier Device Package: 8-WDFN (2x2)

IC REG BUCK ADJUSTABLE 5A 8SOP

• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Output Type: Adjustable
• Number of Outputs: 1
• Voltage - Input (Min): 4V
• Voltage - Input (Max): 60V
• Voltage - Output (Min/Fixed): 0.8V
• Voltage - Output (Max): 60V
• Current - Output: 5A
• Frequency - Switching: 100kHz ~ 2.5MHz
• Synchronous Rectifier: No
• Operating Temperature: -40°C ~ 150°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Supplier Device Package: 8-SOP-EP

IC DUAL PUSH-BUTTON RESET WDFN-8

• Type: Reset Timer
• Number of Voltages Monitored: 2
• Output: Open Drain, Push-Pull
• Reset: Active High/Active Low
• Reset Timeout: 12.5s Typical
• Voltage - Threshold: Adjustable/Selectable
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 8-WFDFN Exposed Pad
• Supplier Device Package: 8-WDFN-SL (2x2)