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ZXSC100X8

Description
SINGLE CELL DC-DC CONVERTER SOLUTION
File Size259KB,17 Pages
ManufacturerDiodes
Websitehttp://www.diodes.com/
Download Datasheet Compare View All

ZXSC100X8 Overview

SINGLE CELL DC-DC CONVERTER SOLUTION

ZXSC100
SINGLE CELL DC-DC CONVERTER SOLUTION
DESCRIPTION
The ZXSC100 series is designed for DC-DC
applications where step-up voltage conversion from
very low input voltages is required. These applications
mainly operate from single nickel cadmium or nickel
metal hydride battery cells.
The circuit can start up under full load with regulation
maintained down to an input voltage of only 0.926
volts. The solution configuration ensures optimum
efficiency over a wider range of load currents, several
circuit configurations are possible with power
dissipation up to 2W. The step up output voltage is
easily programmed with external resistors, the
non-synchronous architecture and SuperSOT4™
device enabling an output voltage down to the input
voltage level. For best performance the ZXSC100
quiescent current is a small 150µA ensuring minimum
battery drain in no load conditions.
The IC and discrete combination offers the ultimate
cost vs performance solution for single cell DC-DC
conversion.
FEATURES
Efficiency maintained over a wide range of input
voltages and load currents
82% efficiency @ V
BATT
=1V
APPLICATIONS(continued)
Hand held instruments
Portable medical equipment
Solar powered equipment
Startup under full load
Minimum operating input voltage V
BATT
=0.926V
Adjustable output voltage down to V
BATT
TYPICAL APPLICATION CIRCUIT
V
BATT
Quiescent current typically 150µA referred to
input voltage
MSOP8 package
L1
D1
ZHCS1000
3.3V/0.1A
SO8 package
R1
Q1
R3
C3
C2
U1
EM
BAS
RE
V
CC
APPLICATIONS
Cordless telephones
MP3 players
PDA
Pagers
Battery backup supplies
Electronic toothbrush
GPS receivers
Digital camera
Palmtop computers
DEVICE
ZXSC100X8
ZXSC100N8
C1
FMMT617
V
DRIVE
I
SENSE
FB
G
ND
ZXSC100
R2
R4
ORDERING INFORMATION
Package
MSOP8
SO8
Partmarking
ZXSC100
ZXSC100
Reel
size
7”
7”
Tape
width
12mm
12mm
Quantity per
reel
1,000
500
ISSUE 3 - JANUARY 2004
1
SEMICONDUCTORS

ZXSC100X8 Related Products

ZXSC100X8 ZXSC100 ZXSC100N8
Description SINGLE CELL DC-DC CONVERTER SOLUTION SINGLE CELL DC-DC CONVERTER SOLUTION SINGLE CELL DC-DC CONVERTER SOLUTION
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