L4992中文资料意法半导体数据手册PDF规格书
L4992规格书详情
DESCRIPTION
The L4992 is a sophisticated dual PWM stepdown controller and power monitor intended for Notebook computer and/or battery powered equipment. The device produces regulated +3.3V, +5.1V and 12V supplies for use in portable and PCMCIA applications.
■ DUAL PWM BUCK CONTROLLERS (3.3V and 5.1V)
■ 12V/120mA LINEAR REGULATOR
■ DUAL SYNCH RECTIFIERS DRIVERS
■ 96 EFFICIENCY ACHIEVABLE
■ 50µA (@ 12V) STAND BY CONSUMPTION
■ 5.5V TO 25V SUPPLY VOLTAGE
■ EXCELLENT LOAD TRANSIENT RESPONSE
■ DISABLE PULSE SKIPPING FUNCTION
■ POWER MANAGEMENT:
- UNDER AND OVERVOLTAGE OUTPUT DETECTION
- POWER GOOD SIGNAL
- SEPARATED DISABLE
■ THERMAL SHUTDOWN
■ PACKAGE: TQFP32
产品属性
- 型号：
L4992
- 制造商：
STMicroelectronics
- 制造商：
STMicroelectronics
- 功能描述：
VOLT SUPERVISOR CNTRLR 5.1V/3.3V 32TQFP - Trays
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
ST/意法 |
24+ |
NA/ |
780 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
ST |
23+ |
QFP |
20000 |
全新原装假一赔十 |
询价 | ||
ST |
2001 |
QFP |
10 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
询价 | ||
ST/意法 |
25+ |
QFP32 |
996880 |
只做原装,欢迎来电资询 |
询价 | ||
ST |
99+ |
QFP |
2145 |
全新原装进口自己库存优势 |
询价 | ||
ST |
2016+ |
QFP |
6528 |
只做进口原装现货!或订货,假一赔十! |
询价 | ||
ST |
20+ |
QFP |
500 |
样品可出,优势库存欢迎实单 |
询价 | ||
ST |
23+ |
BGAQFP |
8659 |
原装公司现货!原装正品价格优势. |
询价 | ||
SGS-THOMSON |
2020+ |
QFP32 |
3034 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
询价 | ||
ST |
2138+ |
QFP32 |
8960 |
专营BGA,QFP原装现货,假一赔十 |
询价 |
