SC1417B: MicroPower, 620 kHz PWM, Step-Up DC/DC Converter
The SC1417B is a fixed frequency, current mode step-up dc-dc converter. It operates over a wide input supply range of 1.5V to 12V, making it suitable for battery input and TFT-LCD applications.
Collapse All
- Operates from 1.5 V to 12 V supply voltage
- High efficiency >85%
- 150 mA @ 15 V from 5V input
- Internal switch peak current of 0.9 A
- Programmable output voltage
- Powers up into full load
- Pulse-by-pulse current limit/thermal shutdown
- 620 kHz fixed-frequency current-mode converter
- Low-current shutdown mode extends battery life
- 18 V output capability
- Low-battery detector
- MSOP-8 package
- Pin-for-pin compatible with LT1317B
- TFT-LCD Bias supplies
- Constant-current LED bias supplies
- Pagers
- GPS receivers
- Battery backup
- SEPIC converters
- SC1417BIMSTR: Package Minimum Tape & Reel Only