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LD3985XX122中文资料意法半导体数据手册PDF规格书
LD3985XX122规格书详情
Description
The LD3985xx provides up to 150 mA, from 2.5 V to 6 V input voltage. The ultra low drop-voltage, low quiescent current and low noise make it suitable for low power applications and in battery powered systems. Regulator ground current increases only slightly in dropout, further prolonging the battery life. Power supply rejection is better than 60 dB at low frequencies and starts to roll off at 10 kHz. High power supply rejection is maintained down to low input voltage levels common to battery operated circuits. Shutdown logic control function is available, this means that when the device is used as local regulator, it is possible to put a part of the board in standby, decreasing the total power consumption. The LD3985xx is designed to work with low ESR ceramic capacitors. Typical applications are in mobile phone and similar battery powered wireless systems.
Features
■ Input voltage from 2.5 V to 6 V
■ Stable with low ESR ceramic capacitors
■ Ultra low dropout voltage (60 mV typ. at 150 mA load, 0.4 mV typ. at 1 mA load)
■ Very low quiescent current (85 µA typ. at no load, 170 µA typ. at 150 mA load; max 1.5 µA in OFF mode)
■ Guaranteed output current up to 150 mA
■ Wide range of output voltage: 1.22 V; 1.8 V; 2.5 V; 2.6 V; 2.7 V; 2.8 V; 2.9 V; 3 V; 3.3 V; 4.7 V
■ Fast turn-on time: typ. 200 µs [CO = 1 µF, CBYP = 10 nF and IO = 1 mA]
■ Logic-controlled electronic shutdown
■ Internal current and thermal limit
■ Output low noise voltage 30 µVRMS over 10 Hz to 100 kHz
■ SVR of 60 dB at 1 kHz, 50 dB at 10 kHz
■ Temperature range: - 40 °C to 125 °C
产品属性
- 型号:
LD3985XX122
- 制造商:
STMICROELECTRONICS
- 制造商全称:
STMicroelectronics
- 功能描述:
Ultra low drop-low noise BiCMOS voltage regulators low ESR capacitors compatible
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
STM原厂目录 |
24+ |
SOT-235L |
96000 |
全新原装 |
询价 | ||
LITEON/光宝 |
24+23+ |
TO252 |
12580 |
16年现货库存供应商终端BOM表可配单提供样品 |
询价 | ||
RECTRON |
05+ |
原厂原装 |
27051 |
只做全新原装真实现货供应 |
询价 | ||
HENGYI |
2052+ |
SMD |
9851 |
只做原装正品现货!或订货假一赔十! |
询价 | ||
SILERGY/矽力杰 |
23+ |
SOT23-5 |
15000 |
全新原装现货,价格优势 |
询价 | ||
24+ |
N/A |
69000 |
一级代理-主营优势-实惠价格-不悔选择 |
询价 | |||
HENGYI |
1534 |
SMD |
1 |
全新、原装 |
询价 | ||
RECTRON |
2022+ |
27000 |
全新原装 货期两周 |
询价 | |||
LITEON/光宝 |
23+ |
TO252 |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
DNA |
5 |
公司现货,有挂就有货。 |
询价 |