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參數資料
| 型號： | CS51031GD8G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | Fast P−Ch FET Buck Controller |
| 中文描述： | 1 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | LEAD FREE, SOIC-8 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 104K |
| 代理商： | CS51031GD8G |
V
GATE
PGND
C
OSC
GND
V
C
CS
V
CC
V
FB
C
RV
CC
100
CV
CC
0.1 F
CS
0.1 F
C
OSC
470 pF
V
GATE
R
A
1.5 k
R
B
2.5 k
C
RR
0.1 F
C
100 F
×
2
V
3.3 V @ 3 A
L
4.7 H
MBRS360
D
1
5.0 V12 V
C
IN
47 F
MP
1
IRF7416
Figure 1. Typical Application Diagram
Semiconductor Components Industries, LLC, 2005
October, 2005 Rev. 11
1
Publication Order Number:
CS51031/D
CS51031
Fast PCh FET
Buck Controller
The CS51031 is a switching controller for use in DCDC
converters. It can be used in the buck topology with a minimum
number of external components. The CS51031 consists of a V
CC
monitor for controlling the state of the device, 1.0 A power driver for
controlling the gate of a discrete PChannel transistor, fixed frequency
oscillator, short circuit protection timer, programmable SoftStart,
precision reference, fast output voltage monitoring 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 SoftStart reduces current surges at startup. The short
circuit protection timer significantly reduces the duty cycle to
approximately 1/30 of its cycle during short circuit conditions.
Features
1.0 A Totem Pole Output Driver
High Speed Oscillator (700 kHz max)
No Stability Compensation Required
Lossless Short Circuit Protection
V
CC
Monitor
2.0% Precision Reference
Programmable SoftStart
Wide Ambient Temperature Range:
Industrial Grade: 40
°
C to 85
°
C
Commercial Grade: 0
°
C to 70
°
C
PbFree Packages are Available
PIN CONNECTIONS
51031 = Device Code
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
x
= Continuation of Device Code
x = Y or G
= PbFree Package
SOIC8
D SUFFIX
CASE 751
1
8
MARKING DIAGRAM
V
FB
GND
V
CC
C
OSC
CS
PGND
V
C
V
GATE
1
http://onsemi.com
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
ORDERING INFORMATION
51031
ALYWx
1
8
相關PDF資料 |
PDF描述 |
|---|---|
| CS51031GDR8G | Fast P−Ch FET Buck Controller |
| CS51031YD8G | Fast P−Ch FET Buck Controller |
| CS51031YDR8G | Fast P−Ch FET Buck Controller |
| CS51033GD8G | Fast P−Ch FET Buck Controller |
| CS51033GDR8G | Fast P−Ch FET Buck Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CS51031GDR8 | 功能描述:DC/DC 開關控制器 Fast PFET Buck RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| CS51031GDR8G | 功能描述:DC/DC 開關控制器 Fast PFET Buck RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| CS51031GN8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller |
| CS51031YD8 | 功能描述:DC/DC 開關控制器 Fast PFET Buck RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| CS51031YD8G | 功能描述:DC/DC 開關控制器 Fast PFET Buck RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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