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SP6120EB

Description
power management IC development tools low voltage anyfet sync buck controller
CategoryDevelopment board/suite/development tools   
File Size214KB,22 Pages
ManufacturerExar [Exar Corporation]
Environmental Compliance  
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SP6120EB Overview

power management IC development tools low voltage anyfet sync buck controller

SP6120EB Parametric

Parameter NameAttribute value
ManufactureEx
Product CategoryPower Management IC Development Tools
®
SP6120
Low Voltage, AnyFET
TM
, Synchronous,Buck Controller
Ideal for 2A to 10A, High Performance, DC-DC Power Converters
FEATURES
N/C 1
16 BST
Optimized for Single Supply, 3V - 5.5V Applications
15 GH
ENABLE 2
High Efficiency: Greater Than 95% Possible
14 SWN
ISP 3
SP6120
"AnyFET
TM"
Technology: Capable Of Switching Either
13 GND
ISN 4
PFET Or NFET High Side Switch
16 Pin TSSOP
12 PGND
V
FB
5
Selectable Discontinuous or Continuous Conduction
11 GL
COMP 6
Mode For Use In Battery Or Bus Applications
10 V
CC
SS 7
Fast Transient Response
9 PROG
R
OSC
8
16-Pin TSSOP, Small Size
Accurate 1% Reference Over Line, Load and Temperature
Now Available in Lead Free Packaging
Accurate 10% Frequency
APPLICATIONS
Accurate, Rail to Rail, 43mV, Over-Current Sensing
DSP
Resistor Programmable Frequency
Microprocessor Core
Resistor Programmable Output Voltage
I/O & Logic
Capacitor Programmable Soft Start
Industrial Control
Low Quiescent Current: 950µA, 10µA in Shutdown
Distributed Power
Hiccup Over-Current Protection
Low Voltage Power
DESCRIPTION
The SP6120 is a fixed frequency, voltage mode, synchronous PWM controller designed to work
from a single 5V or 3.3V input supply. Sipex's unique "AnyFET
TM"
Technology allows the SP6120
to be used for resolving a multitude of price/performance trade-offs. It is separated from the PWM
controller market by being the first controller to offer precision, speed, flexibility, protection and
efficiency over a wide range of operating conditions.
TYPICAL APPLICATIONS CIRCUIT
NMOS High Side Drive
PROG = GND
NC
ENABLE
ENABLE
ISP
ISN
V
FB
COMP
RZ
15k
CP
100pF
CZ
4.7nF
C
SS
0.33µF
SS
R
OSC
R
OSC
18.7k
®
MBR0530
3.3V
V
IN
C
IN
330µF x 2
PMOS High Side Drive
PROG = V
CC
NC
CS
39nF
1.9V
1A to 8A
V
OUT
®
3.3V
V
IN
C
IN
330µF x 2
QT1
RS
22.1k
L1
2.5µH
CS
39nF
1.9V
1A to 8A
V
OUT
BST
GH
SWN
GND
C
BST
1µF
QT
BST
GH
SWN
GND
ENABLE
ENABLE
ISP
ISN
V
FB
RS
22.1k
L1
2.5µH
SP6120
SP6120
PGND
GL
V
CC
PROG
CV
CC
2.2µF
RI
10k
V
IN
QB
DS
C
OUT
470µF x 3
PGND
GL
V
CC
PROG
CV
CC
2.2µF
RI
10k
V
IN
QB
DS
C
OUT
470µF x 3
COMP
RZ
15k
CP
100pF
CZ
4.7nF
C
SS
0.33µF
SS
R
OSC
R
OSC
18.7k
RF
5.23k
RF
5.23k
QT, QB = FAIRCHILD FDS6690A
QT1 = FAIRCHILD FDS6375 (PMOS only)
L1 = PANASONIC ETQP6F2R5SFA
Date: 1/21/05
DS = STMICROELECTRONICS STPS2L25U
C
IN
= SANYO 6TPB330M
C
OUT
= SANYO 4TPB470M
© Copyright 2005 Sipex Corporation
SP6120 Low Voltage, AnyFET
TM
, Synchronous, Buck Controller
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