파트넘버.co.kr SJ7500P 데이터시트 PDF


SJ7500P 반도체 회로 부품 판매점

Pulse Width Modulation



AUK 로고
AUK
SJ7500P 데이터시트, 핀배열, 회로
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
1


SJ7500P 데이터시트, 핀배열, 회로
Pin Configuration(Top View)
1IN +
1IN -
Feed B ack
D e a d Ti m e C T R L
CT
RT
GND
C1
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SJ7500/P
2IN +
2IN -
REF
O utp ut C T R L
VCC
C2
E2
E1
1. Non-INV Input
2. INV Input
3. Feed-Back
4. Dead-Time Control
5. CT
6. RT
7. GND
8. C1
9. E1
10. E2
11. C2
12. Vcc
13 Output Control
14. Ref Out
15. INV-Input
16. Non-INV Input
Block Diagram
V c c 12
R e f O u t 14
G ND 7
RT 6
CT 5
De ad-T i me
Control
4
Non -i n v
Input
In v -In pu t
1
2
Non -i n v
Input
16
In v -In pu t 15
Fe e d-Bac k 3
Reference
Regulator
Osc
De a d T i me
CO MP A R A T O R
+
-
EA1
+
-
EA2
+
-
+
-
PWM
CO MP A R A T O R
13 O u t pu t Con t r ol
T F.F
8 C1
9 E1
11 C2
10 E2
KSD-I7D001-000
2




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SJ7500P data

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