파트넘버.co.kr AE2596 데이터시트 PDF


AE2596 반도체 회로 부품 판매점

Simple Switcher Power Converter



Chip Rail 로고
Chip Rail
AE2596 데이터시트, 핀배열, 회로
www.DataSheet4U.com
SIMPLE SWITCHER POWER CONVERTE
AE2596
AE2596
General Description
The AE2596 series of regulators are monolithic integrated circuits that provide all the active
functions for a step-down(buck) switching regulator, capable of driving a 3A load with excellent
line and load regulation. These devices are available in fixed output voltages of 3.3V, 5V, 12V,
and an adjustable output version.
Requiring a minimum number of external components, these regulators are simple to use
and include internal frequency compensation, and a fixed frequency oscillator.
The AE2596 series operates at a switching frequency of 150 kHz thus allowing smaller sized
filter components than what would be needed with lower frequency switching regulators. Available
in a standard 5-lead TO-220 package with several different lead bend options, and a 5-lead
TO-263 surface mount package.
Other features include a guaranteed±4% tolerance on output voltage under specified input
voltage and output load conditions, and±15% on the oscillator frequency. External shutdown is
included, featuring typically 80µA standby current. Self-protection features include a two stage
frequency reducing current limit for the output switch and an over temperature shutdown for
complete protection under fault conditions.
Features
3.3V, 5V, 12V, and adjustable output versions
Adjustable version output voltage range,1.2V to 32V
TO-220-5L and TO-263-5L packages
Output load current 3A
Input voltage range up to 40V
Requires only 4 external components
150 kHz fixed frequency internal oscillator
TTL shutdown capability
Low power standby mode, IQ typically 80 µA
High efficiency
Thermal shutdown and current limit protection
Application
Simple high-efficiency step-down (buck) regulator
On-card switching regulators
Positive to negative converter
Oct, 2006 V2.0
Chengdu Chip-Rail. Tech. Co., Ltd.


AE2596 데이터시트, 핀배열, 회로
www.DataSheet4U.com
Pin Description
Pin No.
Symbol
Parameter
1
VIN
DC Input
2
Output
DC Output
3
GND
Ground
4
Feedback
Feedback signal
AE2596
5
Standby control
5-LeadTO-220(B)
Block Diagram
5-Lead TO-220(T)
ON/OFF
5
5-Lead TO-263(S)
CURRENT
SOURCE
BIAS
1.235V
2.5V
REFERENCE REGULATOR
START
UP
CURRENT
LIMIT
4
R2
R1=2.5K
GM
AMP
2.5V
COMP
LATCH
DRIVER
3.3V, R2=4.2K
5V, R2=7.6K
12V, R2=21.8K
ADJ, R2=0, R1=OPEN
150KHz
OSC
RESET
THERMAL
LIMIT
Oct, 2006 V2.0
Chengdu Chip-Rail. Tech. Co., Ltd.
1
2
3




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AE2596 converter

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