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 |
23+ |
QFP32 |
2500 |
绝对全新原装!现货!特价!请放心订购! |
询价 | ||
ST |
25+ |
QFP-32 |
18000 |
原厂直接发货进口原装 |
询价 | ||
ST |
25+ |
QFP32 |
4500 |
全新原装、诚信经营、公司现货销售! |
询价 | ||
ST |
22+ |
QFP-32 |
5000 |
原装现货库存.价格优势!! |
询价 | ||
NSC |
24+ |
QFN |
22055 |
郑重承诺只做原装进口现货 |
询价 | ||
ST/意法 |
23+ |
QFP32 |
98900 |
原厂原装正品现货!! |
询价 | ||
SST |
原厂封装 |
9800 |
原装进口公司现货假一赔百 |
询价 | |||
ST |
23+ |
QFP-32 |
5000 |
原装正品,假一罚十 |
询价 | ||
ST |
16+ |
QFP32 |
2500 |
进口原装现货/价格优势! |
询价 | ||
ST |
2447 |
QFP |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
询价 |
