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EST7502C Datasheet Preview

EST7502C Datasheet

POWER SUPPLY SUPERVISOR

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EST7502C/EST7502CS
POWER SUPPLY SUPERVISOR WITH PWM CONTROLLER
Description
The EST7502C is designed with a pulse-width-modulation control circuit
and a complete power supervisor for use in the switched mode power
supply .
It contains various functions, like under voltage protection (UVP), over
voltage protection (OVP), power good output (PG) and ON/OFF control
(REM).
UVP(Under voltage protection) function is for +3.3V, +5V, +12V outputs.
OVP(Over voltage protection) function is for +3.3V, +5V, +12V and PT is
for extra protection input.
PG(Power good signal) is a safe operation signal to inform the external
parts.
REM(Remote on/off) is used to control the SMPS on/off. The REM control
signal has the on/off transferred debounce–time.
PIN CONFIGURATION (Top View)
FEATURE
3-channel under voltage protection (UVP)
3-channel over voltage protection (OVP)
1-channel extra protection (PT)
1-channel sense input to control the PG (SEN)
Remote on/off control function (REM)
Dual output for push-pull operation (OP1/OP2)
Soft start capability by external capacitor (SS)
VCC under voltage lockout
16-Pin dual in-line package
Pb-free Package are available
ORDERING INFORMATION
ORDER NUMBER
EST7502C
EST7502C
Package
DIP-16 (Pb-free)
SOP-16(Pb-free)
REFERENCE APPLICATION CIRCUIT
Shipping
Tube
Tube
Top Marking
EST.7502C
EST.7502C
www.esthome.com
1
2012.5.1 Rev.A1.5 datasheet




EST

EST7502C Datasheet Preview

EST7502C Datasheet

POWER SUPPLY SUPERVISOR

No Preview Available !

EST7502C
POWER SUPPLY SUPERVISOR WITH PWM CONTROLLER
PIN DESCRIPTION
Pin Symbol
1 V33
2 V5
3 V12
4 PT
5 GND
6 RT
7 OP1
8 OP2
9 REM
10 SS
11 PG
12 SEN
13 VCC
14 COMP
15 NEG
16 POS
Type
I
I
I
I
-
-
O
O
I
-
O
I
I
O
I
I
Function
OVP, UVP for +3.3V
OVP, UVP for +5V
OVP, UVP for +12V
Extra protection input
Ground
Oscillation frequency setting resistor
PWM output1
PWM output2
Remote ON/OFF control input
Soft start function setting capacitor
Power good signal
Sense signal input
Supply voltage
Error amplifier output
Error amplifier (-) input
Error amplifier (+) input
FUNCTION BLOCK DIAGRAM
ABSOLUTE MAXIMUN RATINGS
PARAMETER
Supply Voltage
VCC
Input Voltage
V33,V5,V12,PT,REMB,SEN,POS,NEG
Output Voltage
OP1,OP2,PG,COMP
Operating
Range
Temperature TO
Storage Temperature Range TS
MIN
MAX
UNITS
-0.3 7 V
-0.3 7 V
-0.3 7 V
-20 +85 oC
-65 150 oC
www.esthome.com
2 2012.5.1 Rev.A1.5 datasheet


Part Number EST7502C
Description POWER SUPPLY SUPERVISOR
Maker EST
PDF Download

EST7502C Datasheet PDF






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