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UM1750Y-00

产品描述UM1750Y-00 350mA,微功耗,超低压差线性稳压器
产品类别电源管理   
文件大小664KB,共18页
制造商英联半导体(Union Semiconductor)
官网地址http://www.union-ic.com/
上海英联电子科技有限公司成立于2001年,是一家无晶圆厂的集成电路设计公司。公司致力于高性能线性和混合信号集成电路的研发、设计与销售,产品被应用于各类电子设备。 上海英联电子科技有限公司的产品通过检测、测量、放大、转换电源以及提供电路保护,桥接起了模拟世界与数字世界。
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UM1750Y-00概述

UM1750Y-00 350mA,微功耗,超低压差线性稳压器

功能特点

单通道线性稳压器(输出电流≤350mA) Single Channel ≤350mA Output Current LDO



The UM1750Y-00 series are very low dropout linear regulators designed for low power portable applications. Typical output noise is only 195μVRMS and maximum dropout is just 110mV(Typ) at the load current of 150mA.The internal P-channel MOSFET pass transistor requires no base current, allowing the device to draw only 190μA during normal operation at the maximum load current of 350mA.With a shutdown control pin, the UM1750Y-00 consumes less than 1μA current in shutdown mode.


Other features include high output voltage accuracy, excellent transient response, under voltage lockout, stability with ultralow ESR ceramic capacitors as small as 1μF, short-circuit and thermal overload protection and output current limiting.


The UM1750Y-00 is available in a low profile SOT89-5 package.

参数指标

- Very Low Dropout: 150mV(max) at 150mA


- Maximum Input Voltage: 6.0V


- ±2% Voltage Accuracy at VOUT>1.5V


±30mV Voltage Accuracy at VOUT≤1.5V


- Fast Transient Response


- Under Voltage Lockout


- Adjustable Output Voltage of UM1750Y-00 from 1.0V to 5.0V


- Output Current Limit


- Stable with 1μF Output Capacitor


- Short-Circuit and Thermal Overload Protection


- Low Profile SOT89-5 Package

应用领域

- Bluetooth/802.11 Cards


- PDAs and Notebook Computers


- Portable Instruments and Battery-Powered Systems


- Cellular Phones

UM1750Y-00文档预览

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UM1650 UM1750
350mA, Micropower, Very Low Dropout Linear Regulator
UM1650S-xx SOT23-3
UM1750S-xx SOT23-5
UM1750Y-xx SOT89-5
UM1750DA-xx DFN6 2.0×
2.0
General Description
The UM1650/UM1750 series are very low dropout linear regulators designed for low power
portable applications. Typical output noise is only 195μV
RMS
and maximum dropout is just
110mV(Typ) at the load current of 150mA.The internal P-channel MOSFET pass transistor
requires no base current, allowing the device to draw only 190μA during normal operation at the
maximum load current of 350mA.With a shutdown control pin, the UM1750 consumes less than
1μA current in shutdown mode.
Other features include high output voltage accuracy, excellent transient response, under voltage
lockout, stability with ultralow ESR ceramic capacitors as small as 1μF, short-circuit and thermal
overload protection and output current limiting.
The UM1650 series are available in a low profile SOT23-3 package. The UM1750 series are
available in low profile SOT23-5, SOT89-5 and DFN6 2.0× packages.
2.0
Applications
Bluetooth/802.11 Cards
PDAs and Notebook Computers
Portable Instruments and
Battery-Powered Systems
Cellular Phones
Features
Very Low Dropout: 150mV(max) at 150mA
Maximum Input Voltage: 6.0V
± Voltage Accuracy at
V
OUT
>1.5V
2%
±
30mV Voltage Accuracy at
V
OUT
≤1.5V
Fast Transient Response
Under Voltage Lockout
Fixed Output Voltage of UM1650S-xx and
UM1750S/Y/DA-xx from 1.0V to 4.0V with
0.1V Interval
Adjustable Output Voltage of
UM1750S/Y/DA-00 from 1.0V to 5.0V
Output Current Limit
Stable with 1μF Output Capacitor
Short-Circuit and Thermal Overload
Protection
Low Profile SOT23-3, SOT23-5, SOT89-5
and DFN6 2.0× Packages
2.0
________________________________________________________________________
http://www.union-ic.com Rev.02 Dec.2014
1/18
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