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PDF ( 数据手册 , 数据表 ) SJ7500P

零件编号 SJ7500P
描述 Pulse Width Modulation
制造商 AUK
LOGO AUK LOGO 


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SJ7500P 数据手册, 描述, 功能
Semiconductor
SJ7500/P
Pulse Width Modulation
Description
The SJ7500 is a monolithic integrated circuit which includes all the necessary building
blocks for the design of pulse width modulate(PWM) switching power supplies, including
push-pull, bridge and series configuration. The precision of voltage reference is improved
up to ±1% through trimming and this provides a better output voltage regulation. The
device can operate at switching frequencies between 1KHz and 300KHz and output voltage
up to 23V. The SJ7500 is specified over an operating temperature range of -25~+85.
Features
Package Type
Internal Regulator Provides a Stable 5V
Reference Supply Trimmed to ±1% Accuracy
Uncommitted output transistors capable
of 200mA source or sink
Internal protection from double pulsing of
out-puts with narrow pulse widths or with
supply voltages below specified limits
Easily synchronized to other circuits
Dead time control comparator
Output control selects single-ended or
push-pull operation
Operating temperature range : -25~ +85
Halogen-Free Package is Available
High Level ESD Protection : 400V(MM), 4KV(HBM)
Application
SOP-16
DIP-16
Charger
SMPS
Back Light Inverter
Ordering Information
PKG Type
SJ7500
SJ7500P
Device Name
SOP-16
DIP-16
Marking
SJ7500
SJ7500P
KSD-I7D001-000
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SJ7500P pdf, 数据表
Electrical Characteristic Curves
SJ7500/P
Fig.10 Oscillator Frequency vs Timing Resistance
1000
100
10
1
0 .1
0 .0 1
1
10 100
T iming Resistance (K)
VC C =1 5 V
TA =2 5 ℃
CT=0 .0 0 1 μF
CT=0 .0 1 μF
CT=0 .1 μF
1000
Fig.11 Frequency Deviation vs Ambient Temperature
1.5
1.3
1.1
0.9
0.7
0.5
0.3
0.1
-0.1
-0.3
-0.5
-0.7
-0.9
-1.1
-1.3
-1.5
-40
-20
0 20 40 60
Ambient T emperature ()
RT =12KΩ
C T =0.01u F
V C C =15V
80 100
KSD-I7D001-000
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