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SP6132CU-L PDF预览

SP6132CU-L

更新时间: 2024-11-24 22:11:35
品牌 Logo 应用领域
西伯斯 - SIPEX 开关光电二极管控制器
页数 文件大小 规格书
14页 314K
描述
Wide Input, 300KHz Synchronous PWM Controller

SP6132CU-L 数据手册

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®
SP6132  
Wide Input, 300KHz Synchronous PWM Controller  
FEATURES  
3V to 12V Step Down Achieved Using Dual Input  
VCC  
GL  
10  
9
1
2
3
4
5
BST  
GH  
2A to 15A Ouput Capability  
SP6132  
Highly Integrated Design, Minimal Components  
UVLO Detects Both VCC and VIN  
GND  
VFB  
8
SWN  
SS  
10 Pin MSOP  
Short Circuit Protection with Auto-Restart  
On-Board 1.5sink (2source) NFET Drivers  
Wide BW Amp Allows Type II or III Compensation  
Programmable Soft Start  
7
6
COMP  
UVIN  
Now Available in Lead Free Packaging  
Fast Transient Response  
High Efficiency: Greater than 95% Possible  
A Synchronous Start-Up into a Pre-Charged Output  
Small 10-Pin MSOP Package  
DESCRIPTION  
The SP6132 is wide input, synchronous step-down switching 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 VCC  
voltage minimizes power dissipation in the part. The SP6132 is designed to drive a pair of external NFETs using a fixed  
300kHz frequency, PWM voltage mode architecture. Protection features include UVLO, thermal shutdown and output  
short circuit protection. The SP6132 is available in the cost and space saving 10-pin MSOP.  
TYPICAL APPLICATION CIRCUIT  
VIN  
12V  
C2  
22µF  
16V  
C1  
22µF  
16V  
8
7 6 5  
QT  
FDS7088N3  
21A, 5m  
GND  
4
C1, C2  
1
2 3  
Ceramic  
1210  
X5R  
V
CC  
DBST  
V
OUT  
U1  
MBR0530  
CBST  
1µF  
L1 SC5018-2R7M  
2.7µH @ 12A  
DCR=4.30m  
3.3V  
0 - 10 A  
RZ3  
1
2
3
4
5
8
7 6 5  
10  
9
V
BST  
CC  
4.64k, 1%  
10V  
CVCC  
10µF  
SP6132  
C4  
47µF  
6.3V  
C3  
47µF  
6.3V  
GND 3  
GH  
SWN  
SS  
GL  
R1  
QB  
R5  
8
GND  
VFB  
68.1k, 1%  
FDS7088N3  
4
CZ3  
220pF  
R3  
221k, 1%  
6.3V  
5.11, 1%  
7
3 21A, 5m  
SS  
1
2
6
COMP  
UVIN  
CVCC  
Ceramic  
0805  
UV  
IN  
CSS  
47nF  
GND2  
CZ2  
RZ2  
R2  
21.5k, 1%  
1500pF 27.4k, 1%  
CP1  
R4  
X5R  
C3, C4  
Ceramic  
1210  
100k, 1%  
C7  
0.1µF  
CF1  
100pF  
22pF  
X5R  
ALL RESISTORS AND CAPS ARE 0603 UNLESS OTHERWISE SPECIFIED  
fs=300Khz  
Q1, Q2 BOTTOM SIDE DRAIN CONTACT  
Date: 8/4/04  
SP6132 Wide Input, 300KHz Synchronous PWM Controller  
© Copyright 2004 Sipex Corporation  
1

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