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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

With a 40-V rated integrated switch FET, the TPS61165 device is a boost converter that drives LEDs in series. The boost converter runs at a 1.2-MHz fixed switching frequency with 1.2-A switch current limit, allowing the use of a high-brightness LED in general lighting.
The default white LED current is set with the external sensor resistor Rset, and the feedback voltage is regulated to 200 mV, as shown in _Typical Application_. During the operation, the LED current can be controlled using the one-wire digital interface (EasyScale protocol) through the CTRL pin. Alternatively, a pulse-width-modulation (PWM) signal can be applied to the CTRL pin through which the duty cycle determines the feedback reference voltage. In either digital or PWM mode, the TPS61165 device does not burst the LED current; therefore, it does not generate audible noises on the output capacitor. For maximum protection, the device features integrated open-LED protection that disables the TPS61165 device to prevent the output from exceeding its absolute maximum voltage ratings during open LED conditions.

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TPS61165DBVR Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	6 Pin
Case/Package	SOT-23-6
Frequency	1.2 MHz
Number of Outputs	1 Output
Output Voltage	3V ~ 38V
Number of Positions	6 Position
Power Dissipation	470 W
Quiescent Current	1.50 mA
Switching Frequency	1.2 MHz
Topology	Boost
Input Voltage (Max)	18 V
Input Voltage (Min)	3 V
Output Voltage (Max)	38 V
Output Current (Max)	1.2 A
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	470 mW
Supply Voltage	3V ~ 18V
Supply Voltage (Max)	18 V
Supply Voltage (Min)	3 V
Input Voltage	2.7V ~ 18V
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Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99
HK STC License	NLR

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