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參數(shù)資料
| 型號： | CS51021ED16 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | Enhanced Current Mode PWM Controller |
| 中文描述： | 增強(qiáng)電流模式PWM控制器 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 170K |
| 代理商： | CS51021ED16 |
The CS51021/22/23/24 Fixed
Frequency PWM Current Mode
Controller family provides all neces-
sary features required for AC-DC or
DC-DC primary side control.
Several features are included elimi-
nating the additional components
needed to implement them external-
ly. In addition to low start-up cur-
rent (75μA) and high frequency
operation capability, the CS51021/
22/23/24 family includes overvolt-
age and undervoltage monitoring,
externally programmable dual
threshold overcurrent protection,
current sense leading edge blank-
ing, current slope compensation,
accurate duty cycle control and an
externally available 5V reference.
The CS51021 and CS51023 feature
bidirectional synchronization capa-
bility, while the CS51022 and
CS51024 offer a sleep mode with
100μA maximum IC current con-
sumption. The CS51021/22/23/24
family is available in a 16 lead nar-
row body SO package.
1
Features
V
IN
(36V to 72V)
PGND
51k
0.01
μ
F
470pF
6.98k,
1%
10
6.98k,
200K,1%
0.1
μ
F
100p
62
IRF6345
100
1
μ
F
10
680pF
10K
1K
180
MOC81025
2K,1%
100
μ
F
100
μ
F
SGND
V
(5V/5A)
22K
5.1K
0.1
μ
F
1000pF
SYNC/SLEEP
2.49K,1%
51K
10K
0.01
μ
F
2K, 1%
1K
330pF
MBRB2060CT
100pF
10
BA521
10K
BAS21
18V
22
μ
F
11V
FZT688
10
4700pF
24.3K
1%
100
TL431
4:1
100:1
2:5
UV
U1
OV
I
SET
V
REF
COMP
R
T
C
T
LGnd
C
SS
V
FB
SYNC/
PGnd
SLOPE
GATE
I
SENSE
V
C
V
CC
C
I
I
75μA Max. Startup Current
Fixed Frequency Current
Mode Control
1MHz Switching Frequency
Undervoltage Protection
Monitor
Overvoltage Protection
Monitor with
Programmable Hysteresis
Programmable Dual
Threshold Overcurrent
Protection with Delayed
Restart
Programmable Soft Start
Accurate Maximum Duty
Cycle Limit
Programmable Slope
Compensation
Leading Edge Current
Sense Blanking
1A Sink/Source Gate Drive
Bidirectional Synchronization
(CS51021/23)
50ns PWM Propagation
Delay
100μA Max Sleep Current
(CS51022/24)
I
I
I
I
I
I
I
I
I
I
I
I
Package Options
16 Lead SO Narrow
C
Enhanced Current Mode
PWM Controller
Description
CS51021/CS51023
CS51022/CS51024
Typical Application Diagram
1
SS
V
REF
LGnd
OV
SLEEP
or SYNC
SLOPE
V
FB
R
T
C
T
I
SET
V
CC
PGnd
I
SENSE
COMP
UV
V
C
GATE
Device
Sleep/Synch
V
CC
Start/Stop
8.25V/7.7V
8.25V/7.7V
13V/7.7V
13V/7.7V
CS51021
CS51022
CS51023
CS51024
Synch
Sleep
Synch
Sleep
A
Company
36-72V to 5V, 5A DC-DC Convertor
Rev. 2/22/99
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Email: info@cherry-semi.com
Web Site: www.cherry-semi.com
Consult factory for other package options.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CS51022EDR16 | Enhanced Current Mode PWM Controller |
| CS51024ED16 | Enhanced Current Mode PWM Controller |
| CS51024EDR16 | Enhanced Current Mode PWM Controller |
| CS5106 | Multi-Feature, Synchronous plus Auxiliary PWM Controller |
| CS5106LSW24 | Multi-Feature, Synchronous plus Auxiliary PWM Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS51021EDR16 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CS51021N16 | 制造商:ON Semiconductor 功能描述: |
| CS-51021N16 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Mode SMPS Controller |
| CS51022 | 制造商:CHERRY 制造商全稱:CHERRY 功能描述:Enhanced Current Mode PWM Controller |
| CS-51022 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Enhanced Current Mode PWM Controller |
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