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APE2903N-3.8V

Description
IC SWITCHING REGULATOR, 150 kHz SWITCHING FREQ-MAX, PDSO3, LEAD FREE, SOT-23, 3 PIN, Switching Regulator or Controller
CategoryPower/power management    The power supply circuit   
File Size113KB,5 Pages
ManufacturerAPEC
Download Datasheet Parametric View All

APE2903N-3.8V Overview

IC SWITCHING REGULATOR, 150 kHz SWITCHING FREQ-MAX, PDSO3, LEAD FREE, SOT-23, 3 PIN, Switching Regulator or Controller

APE2903N-3.8V Parametric

Parameter NameAttribute value
Objectid1052552583
Parts packaging codeSOT-23
package instructionSOP,
Contacts3
Reach Compliance Codecompliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
Nominal input voltage1.8 V
JESD-30 codeR-PDSO-G3
Number of functions1
Number of terminals3
Nominal output voltage3.8 V
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
surface mountYES
Switch configurationBOOST
Maximum switching frequency150 kHz
Terminal formGULL WING
Terminal locationDUAL
Advanced Power
Electronics Corp.
FEATURES
Very Low Supply Current
Regulated Output Voltage
Wide Range of Output Voltage is Available from
2.2V to 5.0V by 0.1V Steps
Output Voltage Accuracy ±5%
Output Current up to 100mA
Low Ripple and Low Noise
Very Low Start-up Voltage
High Efficiency (Vout = 5V TYP. 87%)
Few External Components
Internal Soft-Start
Low Profile: SOT-23, SOT-89 & SOT-23-5L Pb-Free
Preliminary
APE2903
MICROPOWER VFM STEP-UP DC/DC CONVERTER
DESCRIPTION
The APE2903 is a high efficiency VFM Step-up DC/DC
converter for small, low input voltage or battery powered
systems with ultra low quiescent supply current. The
APE2903 accept a positive input voltage from start-up
voltage to VOUT and convert it to a higher output voltage in
the 2.2 to 5V range.
The APE2903 combine ultra low quiescent supply
current and high efficiency to give maximum battery life. The
high switching frequency and the internally limited peak
inductor current permits the use of small, low cost inductors.
Only three external components are needed an inductor a
diode and an output capacitor.
The APE2903 is suitable to be used in battery powered
equipment where low noise, low ripple and ultra low supply
current are required. The APE2903 is available in very small
package: SOT-23, SOT-89 & SOT-23-5L.
Typical applications are pagers, cameras & video
camera, cellular telephones, wireless telephones, palmtop
computer, battery backup supplies, battery powered
equipment.
TYPICAL APPLICATION
L1
VIN
47uH
Vout
D1
B140
C4
SW
GND
NC OUT
APE2903
NC
C1
100uF
C2
0.1uF
0.1uF
C3
47uF
ORDERING INFORMATION
APE2903X - XX
Package Type
Y5 : SOT-23-5L
N : SOT-23
G : SOT-89
VOUT
22 : 2.2V
25 : 2.5V
26 : 2.6V
27 : 2.7V
:
50 : 5.0V
Data and specifications subject to change without notice
1
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