Richtek USA Inc. Products

IC REG LINEAR 1.2V 1.5A SOT223F

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1.2V
• Voltage - Output (Max): -
• Voltage Dropout (Max): 0.5V @ 1.5A
• Current - Output: 1.5A
• Current - Quiescent (Iq): -
• Current - Supply (Max): 500µA
• PSRR: -
• Control Features: -
• Protection Features: Over Current, Over Temperature
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-261-4, TO-261AA
• Supplier Device Package: SOT-223F

IC REG LINEAR 3.3V 100MA SOT23-5

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 6V
• Voltage - Output (Min/Fixed): 3.3V
• Voltage - Output (Max): -
• Voltage Dropout (Max): -
• Current - Output: 100mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): 7µA ~ 10µA
• PSRR: 30dB (1kHz)
• Control Features: Enable
• Protection Features: Over Current
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SC-74A, SOT-753
• Supplier Device Package: SOT-23-5

IC REG LINEAR 2V 500MA SC70-5

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 2V
• Voltage - Output (Max): -
• Voltage Dropout (Max): -
• Current - Output: 500mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): 50µA
• PSRR: 55dB (10kHz)
• Control Features: Enable, Soft Start
• Protection Features: Over Current, Over Temperature
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 5-TSSOP, SC-70-5, SOT-353
• Supplier Device Package: SC-70-5

IC REG LINEAR 1.8V 500MA SC70-5

• 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): 0.4V @ 500mA
• Current - Output: 500mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): 50µA
• PSRR: 50dB (10kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 5-TSSOP, SC-70-5, SOT-353
• Supplier Device Package: SC-70-5

IC REG LIN 1.2/2.8V 8WDFN

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 2
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1.2V, 2.8V
• 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: 8-WFDFN Exposed Pad
• Supplier Device Package: 8-WDFN (2x2)

IC REG LINEAR POS ADJ 1A 8SOP

• Output Configuration: Positive
• Output Type: Adjustable
• Number of Regulators: 1
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 0.8V
• Voltage - Output (Max): 4.5V
• Voltage Dropout (Max): 0.36V @ 1A
• Current - Output: 1A
• Current - Quiescent (Iq): -
• Current - Supply (Max): 500µA
• PSRR: 60dB ~ 50dB (100Hz ~ 10kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Supplier Device Package: 8-SOP-EP

IC REG LINEAR 3.3V 200MA SOT89-5

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 36V
• Voltage - Output (Min/Fixed): 3.3V
• 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 BUCK ADJ 3A SYNC 8SOP

• 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): 0.6V
• Voltage - Output (Max): 5.5V
• Current - Output: 3A
• Frequency - Switching: 1MHz
• 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 3.3V 1A SYNC 6WDFN

• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Output Type: Fixed
• Number of Outputs: 1
• Voltage - Input (Min): 2.5V
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 3.3V
• Voltage - Output (Max): -
• Current - Output: 1A
• Frequency - Switching: 1.5MHz
• Synchronous Rectifier: Yes
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 6-WDFN Exposed Pad
• Supplier Device Package: 6-WDFN (2x2)

IC REG BCK ADJ 0.4A 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: 400mA
• 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 BUCK ADJ 0.6A 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): 0.5V
• Voltage - Output (Max): 5.5V
• Current - Output: 600mA
• Frequency - Switching: 1.25MHz
• Synchronous Rectifier: Yes
• 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 2.5A 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: 2.5A (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 2A SYNC

• 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): 0.8V
• Voltage - Output (Max): 15.48V
• Current - Output: 2A
• Frequency - Switching: 500kHz
• 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 VOLT DETECTOR 2.6V SOT23-3

• Type: Simple Reset/Power-On Reset
• Number of Voltages Monitored: 1
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: 292 ms Minimum
• Voltage - Threshold: 2.6V
• 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 VOLT DETECTOR 1.8V SC70-3

• Type: Simple Reset/Power-On Reset
• Number of Voltages Monitored: 1
• Output: Push-Pull, Totem Pole
• 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: SC-70, SOT-323
• Supplier Device Package: SC-70-3

IC VOLT DETECTOR 2.0V SOT23-3

• Type: Simple Reset/Power-On Reset
• Number of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active High
• Reset Timeout: 0 ms Typical
• Voltage - Threshold: 2V
• 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-23-3L

IC VOLT DETECTOR 3.0V SOT23-5

• Type: Simple Reset/Power-On Reset
• Number of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: Adjustable/Selectable
• Voltage - Threshold: 3V
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: SC-74A, SOT-753
• Supplier Device Package: SOT-23-5

IC PWR SWITCH USB 0.7A 8WDFN

• 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: 8-WDFN Exposed Pad
• Supplier Device Package: 8-WDFN (3x3)

IC PWR SWITCH USB 1.1A 8SOP

• 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): 1.1A
• 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: 8-SOIC (0.154", 3.90mm Width)
• Supplier Device Package: 8-SOP

IC LED DRIVER RGLTR DIM 12WDFN

• Type: DC DC Regulator
• Topology: Step-Down (Buck), Step-Up (Boost)
• Internal Switch(s): Yes
• Number of Outputs: 1
• Voltage - Supply (Min): 4.5V
• Voltage - Supply (Max): 40V
• Voltage - Output: -
• Current - Output / Channel: 1.5A (Switch)
• Frequency: 500kHz
• Dimming: Analog, PWM
• Applications: Backlight, Lighting
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 12-WFDFN Exposed Pad
• Supplier Device Package: 12-WDFN (3x3)

IC PMIC ROCKCHIP TABLET 16WQFN

• Battery Chemistry: Lithium-Ion/Polymer
• Number of Cells: 1
• Current - Charging: Constant - Programmable
• Programmable Features: Timer
• Fault Protection: Over Current, Over Temperature, Over Voltage
• Charge Current - Max: 2A
• Battery Pack Voltage: 4.44V (Max)
• Voltage - Supply (Max): 5.5V
• Interface: I2C
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: -
• Package / Case: 40-WFQFN Exposed Pad
• Supplier Device Package: 40-WQFN (5x5)

IC REGULATOR QFN

• Topology: -
• Function: -
• Number of Outputs: -
• Frequency - Switching: -
• Voltage/Current - Output 1: -
• Voltage/Current - Output 2: -
• Voltage/Current - Output 3: -
• w/LED Driver: -
• w/Supervisor: -
• w/Sequencer: -
• Voltage - Supply: -
• Operating Temperature: -
• Mounting Type: -
• Package / Case: -
• Supplier Device Package: -

IC REG BUCK ADJ 3A SYNC TSOT23-8

• 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: SOT-23-8 Thin, TSOT-23-8
• Supplier Device Package: TSOT-23-8

IC REG BUCK ADJ 1A SYNC WDFN-10

• 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: -
• Package / Case: -
• Supplier Device Package: -

IC REG BUCK ADJ 3.5A 10WDFN

• 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: 3.5A
• Frequency - Switching: 100kHz ~ 2.5MHz
• Synchronous Rectifier: Yes
• Operating Temperature: -40°C ~ 125°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: 10-WDFN Exposed Pad
• Supplier Device Package: 10-WDFN (4x4)

IC REG LIN ADJ 500MA WDFN-8S

• Output Configuration: Positive
• Output Type: Adjustable
• Number of Regulators: 1
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 0.6V
• Voltage - Output (Max): 5.3V
• Voltage Dropout (Max): 0.15V @ 500mA
• Current - Output: 500mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): -
• PSRR: 63dB (100kHz), 60dB ~ 48dB (1kHz ~ 500kHz)
• Control Features: Current Limit, Enable, 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: 6-WDFN Exposed Pad
• Supplier Device Package: 6-WDFN (2x2)

IC PWM CTRLR BUCK WQFN-24

• Output Type: Transistor Driver
• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Number of Outputs: 2
• Output Phases: 2
• Voltage - Supply (Vcc/Vdd): 4.5V ~ 13.2V
• Frequency - Switching: 100kHz ~ 1MHz
• Duty Cycle (Max): 80%
• Synchronous Rectifier: Yes
• Clock Sync: No
• Serial Interfaces: -
• Control Features: Current Limit, Dead Time, Frequency Control, Phase Control, Power On Reset, Ramp, Soft Start, Tracking
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: 24-WFQFN Exposed Pad
• Supplier Device Package: 24-WQFN (4x4)

IC LI-ION BATT CHGR WQFN-28

• Battery Chemistry: Lithium Ion
• Number of Cells: 1
• Current - Charging: Constant - Programmable
• Programmable Features: Current
• Fault Protection: Over Temperature, Over Voltage
• Charge Current - Max: 1.2A
• Battery Pack Voltage: 4.2V
• Voltage - Supply (Max): 6V
• Interface: I2C
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN Exposed Pad
• Supplier Device Package: 28-WQFN (4x4)