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LTC1517ES5-5#TRMPBF

Description
Charge Pump STPUP 5V 20mA 5-Pin TSOT-23 T/R
File Size143KB,8 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Download user manual Parametric View All

LTC1517ES5-5#TRMPBF Overview

Charge Pump STPUP 5V 20mA 5-Pin TSOT-23 T/R

LTC1517ES5-5#TRMPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
FunctionStep Up
Output TypeFixed
Output Voltage (V)5
Minimum Operating Supply Voltage (V)2.7
Maximum Operating Supply Voltage (V)5
Maximum Supply Current (mA)0.015
Output Current (mA)20
Switching Frequency (kHz)800
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Supplier Temperature GradeExtended
PackagingTape and Reel
Pin Count5
Standard Package NameSOT
Supplier PackageTSOT-23
MountingSurface Mount
Package Height0.9(Max)
Package Length2.9
Package Width1.75(Max)
PCB changed5
Lead ShapeGull-wing
LTC1517-5
Micropower, Regulated
5V Charge Pump in a
5-Pin SOT-23 Package
FEATURES
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s
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DESCRIPTION
The LTC
®
1517-5 is a micropower charge pump DC/DC
converter that produces a regulated 5V output. The input
voltage range is 2.7V to 5V. Extremely low operating current
(typically 6µA with no load) and low external parts count (one
0.1µF flying capacitor and two small bypass capacitors at V
IN
and V
OUT
) make the part ideally suited for small, light load
battery-powered applications. The total printed circuit board
area of the application circuit shown below is only 0.045in
2
.
The part operates as a Burst Mode
TM
switched-capacitor
voltage doubler to produce a regulated output. The part has
thermal shutdown capability and can survive a continuous
short circuit from V
OUT
to GND. The device is available in a
5-pin SOT-23 package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Burst Mode is a trademark of Linear Technology Corporation.
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Ultralow Power: I
CC
= 6
µ
A Typ
Short-Circuit/Thermal Protected
5V
±4%
Regulated Output
V
IN
Range: 2.7V to 5V
Output Current: 10mA (V
IN
2.7V)
20mA (V
IN
3V)
No Inductors
Ultrasmall Application Circuit (0.045in
2
)
800kHz Switching Frequency
Available in 5-Pin SOT-23
APPLICATIONS
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s
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Cellular Telephones
Battery-Operated Equipment
Local Power Supplies
Handheld Instruments
PCMCIA Supplies
TYPICAL APPLICATION
Typical Output Voltage vs Output Current
5.2
0.1µF
5
C1
LTC1517-5
V
IN
V
IN
2.7V TO 5V
3.3µF
1
GND
2
V
OUT
3
6.8µF
V
OUT
= 5V
±
4%
I
OUT
= 10mA (V
IN
2.7V)
I
OUT
= 20mA (V
IN
3V)
1517 TA01
C1
+
OUTPUT VOLTAGE (V)
4
5.1
T
A
= 25°C
C1 = 0.1µF
C
OUT
= 6.8µF
5.0
4.9
V
IN
= 2.7V V
IN
= 3V V
IN
= 3.3V
4.8
0
U
U
U
40
60
20
OUTPUT CURRENT (mA)
80
1517 TA02
1
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