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参数资料
| 型号： | CS-51031D8 |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 稳压器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | 0.150 INCH, SO-8 |
| 文件页数： | 1/8页 |
| 文件大小： | 156K |
| 代理商： | CS-51031D8 |
1
Features
VC
VFB
CS
VCC
VGATE
Gnd
PGnd
COSC
CS-51031
COSC
150pF
CS
0.1
mF
RA
1.5k
W
RB
2.5k
W
CO
100
mF 2
D1
MP1
5V - 12V
L
4.7
mH
CRR
0.1
mF
CIN
47
mF
VO
3.3V @ 3A
MBRS360
IRF7416
VGATE
20
W
RVCC
10
W
CVCC
100
mF
.01
mF
100
s
1A Totem Pole Output
Driver
s
High Speed Oscillator
(700kHz max)
s
No Stability
Compensation Required
s
Lossless Short Circuit
Protection
s
VCC Monitor
s
2% Precision Reference
s
Programmable Soft Start
Package Options
CS-51031
Fast PFET Buck Controller
does not require Compensation
CS-51031
Description
The CS-51031 is a switching con-
troller for use in DC-DC converters.
It can be used in the buck topology
with a minimum number of exter-
nal components. The CS-51031 con-
sists of a VCC monitor for control-
ling the state of the device, 1.0A
power driver for controlling the
gate of a discrete P-channel transis-
tor, fixed frequency oscillator, short
circuit protection timer, pro-
grammable soft start, precision ref-
erence, fast output voltage monitor-
ing comparator, and output stage
driver logic with latch.
The high frequency oscillator
allows the use of small inductors
and output capacitors, minimizing
PC board area and systems cost.
The programmable soft start
reduces current surges at start up.
The short circuit protection timer
significantly reduces the duty cycle
to approximately 1/30 of its cycle
during short circuit conditions.
The CS-51031 is available in 8L SO
and 8L PDIP plastic packages.
Typical Application Diagram
1
VGATE
PGnd
COSC
Gnd
VC
CS
VCC
VFB
8 Lead SO Narrow & PDIP
Cherry Semiconductor Corporation
2000 South County Trail
East Greenwich, Rhode Island 02818-1530
Tel: (401)885-3600 Fax (401)885-5786
email: info@cherry-semi.com
A
Company
¨
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相关代理商/技术参数 |
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| CS51031ED8 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage-Mode SMPS Controller |
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| CS51031GD8 | 功能描述:DC/DC 开关控制器 Fast PFET Buck RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| CS51031GD8G | 功能描述:DC/DC 开关控制器 Fast PFET Buck RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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