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DC239A

Description
Power Management IC Development Tools LTC1502CMS8-3.3 Single Cell Input, 3.3V/10mA Output, Inductorless DC-DC Converter
CategoryDevelopment board/suite/development tools   
File Size94KB,4 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
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DC239A Overview

Power Management IC Development Tools LTC1502CMS8-3.3 Single Cell Input, 3.3V/10mA Output, Inductorless DC-DC Converter

DC239A Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerADI
Product CategoryPower Management IC Development Tools
RoHSDetails
ProductDemonstration Boards
TypeCharge Pumps
Tool Is For Evaluation OfLTC1502-3.3
Input Voltage0.9 V to 1.8 V
Output Voltage3.3 V
Output Current10 mA
Factory Pack Quantity1
DEMO MANUAL DC239
NO-DESIGN SWITCHER
LTC1502-3.3
Single Cell to 3.3V Regulated
Charge Pump DC/DC Converter
DESCRIPTIO
U
power conscious single-cell applications. The maximum
output load is 10mA for input voltages greater than or
equal to 1V. A jumper is available to put the circuit into
shutdown mode, which reduces input quiescent current to
5µA (typ) and disconnects V
OUT
from V
IN
.
Gerber files for
this circuit are available. Call the LTC factory.
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
OUT
= 1mA
3.3
I
OUT
= 10mA
I
OUT
= 15mA
1.4
1.6
1.2
INPUT VOLTAGE (V)
1.8
1502-3.3 TA02
Demonstration Circuit DC239 is a quadrupler charge pump
DC/DC converter that produces a regulated 3.3V output
from a single alkaline cell input. The circuit requires only
five small external capacitors and no inductors. Low
supply current (40µA typ) and minimal external compo-
nent area make this power supply ideal for space and
PERFOR A CE SU
PARAMETER
V
IN
Operating Voltage
Minimum V
IN
Start-Up Voltage
V
OUT
V
IN
Operating Current
V
IN
Shutdown Current
Output Ripple
Efficiency
TYPICAL PERFOR A CE CHARACTERISTICS A D BOARD PHOTO
Output Voltage vs Input Voltage
3.5
T
A
= 25°C
3.4
OUTPUT VOLTAGE (V)
3.2
3.1
3.0
0.8
1.0
U
WW
U W
U W
ARY
Operating Temperature Range 0°C to 70°C
MIN
0.9
TYP
0.75
3.17
3.3
40
5
50
77
MAX
1.8
0.9
3.43
90
15
UNITS
V
V
V
µA
µA
mV
P-P
%
CONDITIONS
100kΩ V
OUT
Load
I
OUT
10mA, 1V
V
IN
1.8V
I
OUT
= 0mA, 0.9V
V
IN
1.8V
C1
/SHDN = 0V, 0.9V
V
IN
1.8V
I
OUT
= 10mA, V
IN
= 1.25V
V
IN
= 1V, I
OUT
= 10mA
Component Side
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