Richtek USA Inc. Products

IC CTRLR PWM MULTI-PHASE 40WQFN

• Applications: Controller, Intel VRD10, VRD11, AMD CPU
• Voltage - Input: 10.8 V ~ 13.2 V
• Number of Outputs: 4
• Voltage - Output: -
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 40-WFQFN Exposed Pad
• Supplier Device Package: 40-WQFN (6x6)

IC REG LINEAR 1.8V 300MA 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): 0.23V @ 300mA (Typ)
• Current - Output: 300mA
• 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 3.3V 500MA SOT23-3

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 12V
• Voltage - Output (Min/Fixed): 3.3V
• Voltage - Output (Max): -
• Voltage Dropout (Max): 1V @ 500mA
• Current - Output: 500mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): -
• PSRR: -
• Control Features: -
• Protection Features: Over Current, Over Temperature
• Operating Temperature: -40°C ~ 125°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: TO-236-3, SC-59, SOT-23-3
• Supplier Device Package: SOT-23-3

IC REG LINEAR 3.3V 300MA SOT89-3

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 12V
• Voltage - Output (Min/Fixed): 3.3V
• Voltage - Output (Max): -
• Voltage Dropout (Max): 0.6V @ 300mA
• Current - Output: 300mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): -
• PSRR: -
• Control Features: -
• Protection Features: Over Current, Over Temperature
• Operating Temperature: -40°C ~ 125°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: TO-243AA
• Supplier Device Package: SOT-89-3

IC REG LINEAR 2.8V 250MA SOT23-5

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 2.8V
• Voltage - Output (Max): -
• Voltage Dropout (Max): 0.6V @ 250mA
• Current - Output: 250mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): 3µA
• PSRR: 75dB (1kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature
• 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 LINEAR 2.5V 200MA 8SOP

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 36V
• Voltage - Output (Min/Fixed): 2.5V
• 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: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Supplier Device Package: 8-SOP-EP

IC REG LINEAR 600MA 4-ZQFN

• Output Configuration: -
• Output Type: -
• Number of Regulators: 1
• Voltage - Input (Max): -
• Voltage - Output (Min/Fixed): -
• Voltage - Output (Max): -
• Voltage Dropout (Max): -
• Current - Output: 600mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): -
• PSRR: -
• Control Features: -
• Protection Features: -
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 4-XDFN Exposed Pad
• Supplier Device Package: 4-ZQFN (1x1)

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: -
• Package / Case: 4-XDFN Exposed Pad
• Supplier Device Package: 4-ZQFN (1x1)

IC REG LINEAR POS ADJ 2A 8SOP

• Output Configuration: Positive
• Output Type: Adjustable (Fixed)
• Number of Regulators: 1
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 0.8V (2.5V)
• Voltage - Output (Max): 5.5V
• Voltage Dropout (Max): 0.3V @ 2A
• Current - Output: 2A
• Current - Quiescent (Iq): -
• Current - Supply (Max): 1.2mA
• PSRR: -
• Control Features: Enable, Power Good
• Protection Features: Over Current, Over Temperature
• Operating Temperature: -40°C ~ 85°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 5V 200MA SOT23-5

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 36V
• Voltage - Output (Min/Fixed): 5V
• 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: SC-74A, SOT-753
• Supplier Device Package: SOT-23-5

IC REG BUCK 1.5V 0.6A SYNC SOT23

• 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): 1.5V
• Voltage - Output (Max): -
• 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 BUCK ADJ 3A SYNC 8WDFN

• 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): 3.4V
• Current - Output: 3A
• Frequency - Switching: 1MHz
• Synchronous Rectifier: Yes
• 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 BCK ADJ 1A DL SYNC 10WDFN

• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Output Type: Adjustable
• Number of Outputs: 2
• Voltage - Input (Min): 2.8V
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 0.6V
• Voltage - Output (Max): 5.5V
• Current - Output: 1A
• Frequency - Switching: 1.5MHz
• Synchronous Rectifier: Yes
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 10-WDFN Exposed Pad
• Supplier Device Package: 10-WDFN (3x3)

IC REG BUCK ADJ 2A SYNC 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): 17V
• Voltage - Output (Min/Fixed): 0.807V
• Voltage - Output (Max): 16.15V
• Current - Output: 2A
• 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

IC VOLT DETECTOR 2.7V SOT23-3

• Type: Simple Reset/Power-On Reset
• Number of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: 0 ms Typical
• Voltage - Threshold: 2.7V
• 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 1.5A 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): 1.5A
• 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 PWR SWITCH USB 2A 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): 2A
• 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-23-5R

IC LED DRVR RGLTR DIM 1.2A 8SOP

• Type: DC DC Regulator
• Topology: Step-Down (Buck)
• Internal Switch(s): Yes
• Number of Outputs: 1
• Voltage - Supply (Min): 7V
• Voltage - Supply (Max): 36V
• Voltage - Output: -
• Current - Output / Channel: 1.2A
• Frequency: -
• Dimming: Analog, PWM
• Applications: Automotive, Lighting, Signage
• Operating Temperature: -40°C ~ 125°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Supplier Device Package: 8-SOP-EP

IC LED DRVR PS DIM 8SOP

• Type: AC DC Offline Switcher
• Topology: Flyback, Step-Down (Buck), Step-Up (Boost)
• Internal Switch(s): No
• Number of Outputs: 1
• Voltage - Supply (Min): 11V
• Voltage - Supply (Max): 34V
• Voltage - Output: -
• Current - Output / Channel: -
• Frequency: -
• Dimming: Analog
• Applications: Lighting
• Operating Temperature: -40°C ~ 125°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Supplier Device Package: 8-SOP

IC FET DVR 1CH SYNC BUCK 8WDFN

• Driven Configuration: Half-Bridge
• Channel Type: Synchronous
• Number of Drivers: 2
• Gate Type: N-Channel MOSFET
• Voltage - Supply: 4.5 V ~ 13.2 V
• Logic Voltage - VIL, VIH: 0.7V, 3.2V
• Current - Peak Output (Source, Sink): -
• Input Type: Inverting, Non-Inverting
• High Side Voltage - Max (Bootstrap): 15V
• Rise / Fall Time (Typ): 25ns, 12ns
• Operating Temperature: -40°C ~ 125°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: 8-WDFN Exposed Pad
• Supplier Device Package: 8-WDFN (3x3)

IC BATT CHRGR LIION 1CELL 20WQFN

• Battery Chemistry: Lithium-Ion
• Number of Cells: 1
• Current - Charging: Constant - Programmable
• Programmable Features: Timer
• Fault Protection: Over Voltage
• Charge Current - Max: 1.2A
• Battery Pack Voltage: 4.2V
• Voltage - Supply (Max): 6V
• Interface: -
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: -
• Package / Case: 20-WFQFN Exposed Pad
• Supplier Device Package: 20-WQFN (3x3)

IC REG BUCK ADJ 3A 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: 3A
• 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)

PWM CONTROLLER FOR USBPD SOT23-6

• Output Type: PWM
• Function: -
• Output Configuration: Negative
• Topology: Flyback
• Number of Outputs: 1
• Output Phases: 1
• Voltage - Supply (Vcc/Vdd): 9V ~ 42V
• Frequency - Switching: 84kHz
• Duty Cycle (Max): 82%
• Synchronous Rectifier: No
• Clock Sync: No
• Serial Interfaces: -
• Control Features: Current Limit, Enable
• Operating Temperature: -40°C ~ 125°C (TJ)
• Package / Case: SOT-23-6
• Supplier Device Package: SOT-23-6

IC REG BUCK ADJ 2.5A 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: 2.5A
• 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 REG BUCK ADJ 2A 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): 5V
• Current - Output: 2A
• 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)

BATT OUTPUT PROTECTION IC WDFN-8

• Type: Power Supply Monitor
• Number of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: -
• Reset Timeout: -
• 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 (2x2)

IC REG BUCK ADJ 3A 8WDFN

• 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: 3A
• Frequency - Switching: 1.2MHz
• Synchronous Rectifier: Yes
• Operating Temperature: -40°C ~ 125°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: 8-WFDFN Exposed Pad
• Supplier Device Package: 8-WDFN (2x2)

IC REG BUCK 5V 6A 16UQFN

• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Output Type: Fixed
• Number of Outputs: 1
• Voltage - Input (Min): 5V
• Voltage - Input (Max): 23V
• Voltage - Output (Min/Fixed): 5V
• Voltage - Output (Max): -
• Current - Output: 6A
• Frequency - Switching: 500kHz
• Synchronous Rectifier: Yes
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 16-UFQFN
• Supplier Device Package: 16-UQFN (3x3)