參數(shù)資料
型號(hào)： SP6137EU
英文描述： Wide Input, 900KHz Synchronous PWM Controller
中文描述： 寬輸入，900kHz的同步PWM控制器
文件頁數(shù)： 1/13頁
文件大?。?/td> 142K
代理商： SP6137EU
1
Date: 7/28/04 SP6137 Wide Input, 900KHz Synchronous PWM Controll Copyright 2004 Sipex Corporation
SP6137
FEATURES
■
2.5V to 20V Step Down Achieved Using Dual Input
■
Small 10-Pin MSOP Package
■
2A to 15A Ouput Capability
■
Highly Integrated Design, Minimal Components
■
UVLO Detects Both V
CC
and V
IN
■
Short Circuit Protection with Auto-Restart
■
On-Board 1.5
sink (2
source) NFET Drivers
■
Programmable Soft Start
■
Fast Transient Response
■
High Efficiency: Greater than 94% Possible
■
A Synchronous Start-Up into a Pre-Charged Output
Wide Input, 900KHz Synchronous PWM Controller
DESCRIPTION
The SP6137 is a synchronous step-down switching regulator controller optimized for high efficiency. The part is
designed to be especially attractive for dual supply, 12V step down with 5V used to power the controller. This lower V
CC
voltage minimizes power dissipation in the part. The SP6137 is designed to drive a pair of external NFETs using a fixed
900kHz frequency, PWM voltage mode architecture. Protection features include UVLO, thermal shutdown and output
short circuit protection. The SP6137 is available in the cost and space saving 10-pin MSOP
.
TYPICAL APPLICATION CIRCUIT
V
CC
GL
GND
V
FB
COMP
SP6137
10 Pin MSOP
1
2
3
4
5
10
9
8
7
6
BST
GH
SWN
SS
UVIN
APPLICATIONS
■
12V DPA
■
Communications Systems
■
Graphics Cards
Now Available in Lead Free Packaging
8 7 6 5
1 2 3
4
CSS
CBST
1
μ
F
DCR=4.30m
14FDS6676S
C3
47
μ
F
6.3V
R1
68.1k, 1%
V
OUT
VIN
1.8V @ 10A
R2
C
VCC
10
μ
F
6.3V
221k, R3
100k, R4
1CF1
CZ2
820pF
CP1
56pF
RZ2
40.2k, 1%
FDS6676S
8 7 6 5
4
1 2 3
MBDBST
SP6137
1
2
3
4
5
10
9
8
7
6
VCC
GL
GND
VFB
COMP
BST
GH
SWN
SS
UVIN
UV
IN
V
CC
GND 3
RLF
U1
C
VCC
Ceramic
8050
X5R
QT
SS
GND2
C3, C4
X5R
C4
47
μ
F
6.3V
RZ3
CZ3
C1
22
μ
F
16V
C2
22
μ
F
16V
GND
2.5VVIN
C1, C2
X5R
BR5
QB
= 5V @ 30mA
0.8V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP6137EU/TR 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Wide Input, 900KHz Synchronous PWM Controller
SP6137EU-L 功能描述:電壓模式 PWM 控制器 Wide Input, 900KHz Synchronous RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(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
SP6137EU-L/TR 功能描述:電壓模式 PWM 控制器 Wide Input, 900KHz Synchronous RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(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
SP6137HCU 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Dual Supply Synchronous Buck Controller
SP6137HCU/TR 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Dual Supply Synchronous Buck Controller
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