SP6134CU Sipex Corporation, SP6134CU Datasheet
SP6134CU
Manufacturer Part Number
SP6134CU
Description
Manufacturer
Sipex Corporation
Specifications of SP6134CU
Date_code
03
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SP6134CU
Manufacturer:
SIPEX
Quantity:
5 510
Company:
Part Number:
SP6134CU
Manufacturer:
CIRRUSLOGIC
Quantity:
5 510
Part Number:
SP6134CU/TR
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
Date: 2/16/06
FEATURES
■ 3V to 15V 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
■ Short Circuit Protection with Auto-Restart
■ On-Board 1.5Ω sink (2Ω source) NFET Drivers
■ Programmable Soft Start
■ Fast Transient Response
■ High Efficiency: Greater than 94% Possible
■ Asynchronous Start-Up into a Pre-Charged Output
■ U.S. Patent #6,922,041
100k, 1%
221k, 1%
The SP6134 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
voltage minimizes power dissipation in the part. The SP6134 is designed to drive a pair of external NFETs using a fixed
600kHz frequency, PWM voltage mode architecture. Protection features include UVLO, thermal shutdown and output
short circuit protection. The SP6134 is available in the cost and space saving 10-pin MSOP
UV
IN
R4
R3
V
CC
C
Ceramic
8050
X5R
RLF
3.0,5%
C
10µF
6.3V
MBR0530
VCC
= 5V @ 30mA
VCC
Dual Supply Synchronous Buck Controller
DBST
GND 3
100pF
CF1
0.8V
®
CC
1
2
3
4
5
820pF
VCC
GL
GND
VFB
COMP
CZ2
and V
fs=600Khz
SP6134
U1
56pF
CP1
RZ2
40.2k, 1%
UVIN
SWN
IN
BST
GH
SS
10
9
8
7
6
SP6134 Dual Supply, Synchronous Buck Controller
Bead
CSS
47nF
R5
SS
14.5A, 6.0mΩ
V
CBST
FDS6676S
1µF
OUT
QT
1
4
4
QB
=(R1/R2 +1)V
8 7 6 5
8 7 6 5
1 2 3
1 2 3
Now Available in Lead Free Packaging
APPLICATIONS
■ 12V DPA
■ Communications Systems
■ Graphics Cards
COMP
FDS6676S
14.5A, 6mΩ
GND
FB
V
V
GL
CC
FB
TYPICAL APPLICATION CIRCUIT
1
2
3
4
5
10 Pin MSOP
C3
47µF
6.3V
SP6134
C3, C4
Ceramic
1210
X5R
C1
22µF
16V
© Copyright 2006 Sipex Corporation
GND2
C1, C2
Ceramic
1210
X5R
C4
47µF
6.3V
.
SP6134
C2
22µF
16V
RZ3
4.64k, 1%
DESCRIPTION
CZ3
220pF
3.5V - 15V
R1
68.1k, 1%
10
R2
21.5k, 1%
9
8
7
6
0.8V - 3.3V
0 - 10 A
V IN
BST
GH
SWN
SS
UVIN
GND
V
OUT ≤
V IN
CC
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