LINEAR TECHNOLOGY LT3598IFE#PBF 电源控制器-产品快照
- 品牌:
- LINEAR TECHNOLOGY
- 型号:
- LT3598IFE#PBF
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产品介绍
LINEAR TECHNOLOGY LT3598IFE#PBF 电源控制器
LINEAR TECHNOLOGY LT3598IFE#PBF Led Driver, 6 Outputs, Boost (Step Up), 3.2V-30V in, 2.5MHz switch, 44V/30mA out, TSSOP-24
LINEAR TECHNOLOGY
The LT3598IFE#PBF is a fixed frequency step-up DC/DC Converter designed to drive up to six strings of LEDs at an output voltage up to 44V. LED dimming can be achieved with analogue dimming on the CTRL pin and with pulse width modulation dimming on the PWM pin. The LT3598 accurately regulates LED current even when the input voltage is higher than the LED output voltage. The switching frequency is programmable from 200kHz to 2.5MHz through an external resistor. Additional features include programmable over-voltage protection, switching frequency synchronization to an external clock, LED current derating based on junction temperature and LED temperature, LED string disable control, OPENLED alert pin and output voltage limiting when all LED strings are disconnected. ±1.5% Accurate LED current matching Regulates current even when VIN > VOUT Disconnects LEDs in shutdown Programmable open LED protection (regulated) OPENLED alert pin Programmable LED current derating Synchronizable to an external clock Parallel channels for higher current per LED string Drives six strings of LEDs at up to 30mA Device Topology: Boost (Step Up) No. of Outputs: 1Outputs Output Current: 30mA Output Voltage: 44V Driver Case Style: TSSOP No. of Pins: 24Pins Input Voltage Min: 3.2V Input Voltage Max: 30V Switching Frequency: 2.5MHz Operating Temperature Min: -40°C Operating Temperature Max: 125°C Packaging: Each Product Range: - Automotive Qualifications Standard: - Dimming Control Type: PWM MSL: MSL 1 - Unlimited Input Voltage: 3.2V to 30V SVHC: No SVHC (17-Dec-2015) Topology: Boost (Step Up) Find similar products grouped by common attribute
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