| 品牌 | 华润矽微 | 型号 | pt1305 |
| 封装 | sot23-6 and qfn-8 | 批号 | 2 |
| 类型 | 稳压IC |
general description the pt1305 is a step-up dc/dc converter designed for driving up to 24v from a single cell lithium ion battery. the pt1305 switches at 1.25mhz, allowing the use of tiny, low cost and low height inductors and capacitors. a constant frequency internally compensated current mode pwm architecture results in low, predictable output noise that is easy to filter. low esr ceramic capacitors can be used at the output, further reducing noise to millivolt level. the high voltage switch on the pt1305 is rated at 26v, making the devices ideal for boost converters up 24v. it can generate 18v at 30ma from 3.6v supply. the pt1305 is available in sot23-6 and qfn8 packages. features
¨ 18v at 30ma from 3.6v
¨ up to 87% efficiency
¨ 1.25mhz fixed switching frequency
¨ high output voltage up to 24v
¨ uses small surface mount components
¨ low shutdown current < 1ua
¨ sot23-6 and qfn-8 packages applications
¨ tft-lcd bias supplies
¨ local 12v or 18v supplies
¨ cordless phones
¨ digital cameras typical applications
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