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Shenzhen jointwel Technology Co., Ltd.

Phone：400-8515398

Fax：0755-83047615

Email：thomas@jointwel.com.cn

Address：3B02/3B06, 5th and 4th floor, Area A, 1009 Baoyuan Road, Baoan District, Shenzhen

Path：Home » Products » Brand column » TONTEK Touch IC

TTP932F

Product name

TTP932F

Model

TTP932F

Package

SOT89-5

Product overview

TTP932 is a high efficiency, constant current step-down DC-to-DC converter. Only a single external component is required to provide a steady current for high power LED illumination.The operating voltage range is from 5V to 36V, and the output constant current can be up to 1 amp by adjusting the resistance of the external sense resistor. The TTP932 operates in a hysteresis PFM mode with an efficiency of 95%. In the dimming part, the PWM signal is input to the DIM pin for dimming control. Built-in overheat protection and LED short circuit protection.

Detailed description

Constant current up to 1 amp

Wide operating voltage range: 5V~36V

Built-in NDMOS power switch

Single pin control / off and PWM dimming

Hysteresis PFM mode of operation significantly improves efficiency at light loads

Built-in over temperature protection mechanism and LED open circuit and short circuit protection mechanism

Only 4 external components are required

System switching frequency up to 1MHz

In general, the constant current accuracy can reach 3% of the output constant current.

High power LED lighting

Automotive LED lighting

LED backlighting

Constant current source

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TTP932F