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SGM2122-IYN6G

Description
Dual, Low Dropout, 250mA LDO Regulators
File Size299KB,11 Pages
ManufacturerSG Micro Corp(SGMICRO)
Websitehttp://www.sg-micro.com/
Shengbang Microelectronics is a semiconductor company that focuses on the research and development and sales of high-performance, high-quality analog integrated circuits. Shengbang Microelectronics products have excellent performance and quality and can be widely used in many fields such as mobile phones, TVs, DVDs, digital cameras, laptops, consumer electronics, automotive electronics, industrial automation control, medical instruments, LCD displays, etc.
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SGM2122-IYN6G Overview

Dual, Low Dropout, 250mA LDO Regulators

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SGM2122
Dual, Low Dropout,
250mA LDO Regulators
GENERAL DESCRIPTION
The SGM2122 is a dual, low-power, low-dropout, CMOS
linear voltage regulator. It operates from a 2.5V to 5.5V
input and delivers up to 250mA at each channel.
The SGM2122 is the perfect choice for low voltage, low
power. The ground current is 190μA (both LDO’s enabled
and active) that makes this part attractive for battery
operated power systems. The SGM2122 also offers low
dropout voltage (250mV at 250mA output) to prolong
battery life in portable electronics.
Separate enable pins control each individual LDO output.
The EN function allows the output of each regulator to be
turned off independently, resulting in greatly reduced
power consumption. Other features include a 10nA
logic-controlled shutdown mode, foldback current limit
and thermal shutdown protection.
The SGM2122 is available in Green SOT-23-6 package.
It operates over an ambient temperature range of -40℃
to +85℃.
GND
2
OUT2
1
6
OUT1
FEATURES
Highly Accurate: ±2%
Ultra-Low Dropout Voltage:
250mV at 250mA Output
190µA No-Load Supply Current
Quick Auto-Discharge in Shutdown Status
Thermal-Overload Protection
Output Current Limit
10nA Logic-Controlled Shutdown
Operating Temperature Range: -40℃ to +85℃
Small Package
PIN CONFIGURATION
(TOP VIEW)
SGM2122
SYYxx
5
IN
EN2
3
4
EN1
SOT-23-6
APPLICATIONS
Cellular Telephones
Cordless Telephones
PCS Telephones
PCMCIA Cards
Modems
MP3 Player
Hand-Held Instruments
Palmtop Computers
Wireless LAN
Portable/Battery-Powered Equipment
NOTE: The location of pin 1 on the SGM2122 is determined by
orienting the package marking as shown.
TYPICAL APPLICATION CIRCUIT
OUTPUT2
1μF
2
5
1μF
1
6
OUTPUT1
1μF
INPUT
OUT2
OUT1
GND
IN
SGM2122
ON
OFF
3
EN2
EN1
4
OFF
ON
SG Micro Corp
www.sg-micro.com
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