參數(shù)資料
型號： CS51221
廠商： ZF Electronics Corporation
英文描述： Enhanced Voltage Mode PWM Controller
中文描述： 增強的電壓模式PWM控制器
文件頁數(shù)： 1/12頁
文件大小： 164K
代理商： CS51221
Features
I
1MHz Frequency Capability
Fixed Frequency V oltage
Mode Operation, with Feed
Forward
Thermal Shutdown
Under V oltage Lock-out
Accurate Programmable Max
Duty Cycle Limit
1A Sink/Source Gate Drive
Programmable Pulse by
Pulse Over Current
Protection
Leading Edge Current Sense
Blanking
75ns Shutdown Propagation
Delay
Programmable Soft Start
Under V oltage Protection
Over V oltage Protection with
Programmable Hysteresis
Bidirectional
Synchronization
25ns GATE Rise and Fall
Time (1nF load)
3.3V 3% Reference V oltage
Output
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Package Options
16 Lead SO Narrow & PDIP
C
Enhanced Voltage Mode PWM Controller
CS51221
Description
Application Diagram
1
GATE
I
SENSE
SYNC
FF
UV
OV
R
T
C
T
I
SET
VC
PGnd
V
CC
V
REF
LGnd
SS
COMP
V
FB
1
36V-72V to 5V/5A converter
Rev. 3/26/99
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
A
Company
The CS51221 fixed frequency
feed forward voltage mode
PWM controller contains all of
the features necessary for basic
voltage mode operation. This
PWM controller has been opti-
mized for high frequency prima-
ry side control operation. In
addition, this device includes
such features as: Soft Start, accu-
rate duty cycle limit control, less
than 50μA startup current, over
and under voltage protection,
and bidirectional synchroniza-
tion. The CS51221 is available in
16 lead PDIP and SO narrow
surface mount packages.
V
IN
(36V to 72V)
51k
0.01
μ
F
470pF
20.25k
10
13k
510k
0.1
μ
F
62
IRF634
100
1
μ
F
10
680pF
150
1k
180
MOC81025
2k
100
μ
F
SGnd
V
(5V/5A)
2200pF
5.1k
0.1
μ
F
SYNC
4.3k
200
10k
1
μ
F
2k
1k
330pF
MBRB2545CT
100pF
10
D11
10k
BAS21
18V
22
μ
F
11V
FZT688
10
0.22
μ
F
24.3k
TL431
T1
4:1
1T3
T2
2:5
UV
U1
OV
V
REF
COMP
R
T
/C
T
I
SET
LGnd
SS
V
FB
SYNC
PGnd
FF
V
C
V
CC
I
SENSE
C
GATE
160k
5.6k
V33MD13
4700pF
相關(guān)PDF資料
PDF描述
CS51221EDR16 Enhanced Voltage Mode PWM Controller
CS5124 High Performance, Integrated Current Mode PWM Controllers
CS5126XD8 High Performance, Integrated Current Mode PWM Controllers
CS5126 High Performance, Integrated Current Mode PWM Controllers
CS5124XDR8 High Performance, Integrated Current Mode PWM Controllers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CS51221/D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Enhanced Voltage Mode PWM Controller
CS51221_09 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Enhanced Voltage Mode PWM Controller
CS51221ED16 功能描述:電壓模式 PWM 控制器 Enhanced Current RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
CS51221ED16G 功能描述:電壓模式 PWM 控制器 Enhanced Current Mode PWM Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
CS51221EDR16 功能描述:電壓模式 PWM 控制器 Enhanced Current RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*