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LTC1516CS8#PBF

Description
Charge Pump STPUP 5V 50mA 8-Pin SOIC N Tube
File Size80KB，8 Pages
ManufacturerADI
Websitehttps://www.analog.com
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LTC1516CS8#PBF Overview

Charge Pump STPUP 5V 50mA 8-Pin SOIC N Tube

LTC1516CS8#PBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
FunctionStep Up
Output TypeFixed
Output Voltage (V)5
Minimum Operating Supply Voltage (V)2
Maximum Operating Supply Voltage (V)5
Maximum Supply Current (mA)0.02
Output Current (mA)50
Switching Frequency (kHz)600(Typ)
Efficiency (%)82(Typ)
Minimum Operating Temperature (°C)0
Maximum Operating Temperature (°C)70
Supplier Temperature GradeCommercial
PackagingTube
Pin Count8
Standard Package NameSOP
Supplier PackageSOIC N
MountingSurface Mount
Package Height1.5(Max)
Package Length5(Max)
Package Width3.99(Max)
PCB changed8
Lead ShapeGull-wing

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Download Datasheet
LTC1516
Micropower, Regulated
5V Charge Pump
DC/DC Converter
FEATURES
s
s
s
s
s
s
s
DESCRIPTION
The LTC
®
1516 is a micropower charge pump DC/DC
converter that produces a regulated 5V output from a 2V
to 5V supply. Extremely low supply current (12µA typical
with no load, < 1µA in shutdown) and low external parts
count (two 0.22µF flying capacitors and two 10µF capaci-
tors at V
IN
and V
OUT
) make the LTC1516 ideally suited for
small, light load battery-powered applications. Typical
efficiency (V
IN
= 3V) exceeds 70% with load currents
between 50µA and 50mA. Modulating the SHDN pin keeps
the typical efficiency above 70% with load currents all the
way down to 10µA.
The LTC1516 operates as either a doubler or a tripler
depending on V
IN
and output load conditions to improve
overall efficiency. The part has thermal shutdown and can
survive a continuous short from V
OUT
to GND. In shut-
down the load is disconnected from V
IN
.
The LTC1516 is available in an 8-pin SO package in both
commercial and industrial temperature grades.
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
s
s
s
Ultralow Power: Typical Operating I
CC
= 12µA
Short Circuit/Thermal Protection
Regulated 5V
±4%
Output
2V to 5V Input Range
No Inductors
I
CC
in Shutdown: < 1µA
Output Current: 20mA (V
IN
> 2V)
50mA (V
IN
> 3V)
Shutdown Disconnects Load from V
IN
Internal Oscillator: 600kHz
Compact Application Circuit (0.1 in
2
)
8-Pin SO Package
APPLICATIONS
s
s
s
s
s
2-Cell to 5V Conversion
Li-Ion Battery Backup Supplies
Local 3V to 5V Conversion
5V Flash Memory Programmer
Smart Card Readers
TYPICAL APPLICATION
0.22µF
Efficiency vs Output Current
90
V
IN
= 3V
1
2
C1
+
V
IN
V
OUT
C2
+
0.22µF
C1
–
SHDN
LTC1516
GND
C2
–
8
80
+
10µF
3
10µF 4
EFFICIENCY (%)
V
IN
= 2V TO 5V
7
6
5
ON/OFF
70
+
SHDN = 0V
60
V
OUT
= 5V
±4%
I
OUT
= 0mA TO 20mA, V
IN
≥
2V
I
OUT
= 0mA TO 50mA, V
IN
≥
3V
50
0.01
1516 • F01
Figure 1. Regulated 5V Output from a 2V to 5V Input
U
U
U
LOW I
Q
MODE
(SEE FIGURE 3)
0.1
1
10
OUTPUT CURRENT (mA)
100
1516 • TA01
1

LTC1516CS8#PBF Related Products

LTC1516CS8#PBF LTC1516CS8#TRPBF LTC1516CS8 LTC1516IS8#PBF LTC1516IS8#TR LTC1516IS8#TRPBF LTC1516IS8
Description Charge Pump STPUP 5V 50mA 8-Pin SOIC N Tube Charge Pump STPUP 5V 50mA 8-Pin SOIC N T/R Charge Pump STPUP 5V 50mA 8-Pin SOIC N Charge Pump STPUP 5V 50mA 8-Pin SOIC N Tube Charge Pump STPUP 5V 50mA 8-Pin SOIC N T/R Charge Pump STPUP 5V 50mA 8-Pin SOIC N T/R Charge Pump STPUP 5V 50mA 8-Pin SOIC N
EU restricts the use of certain hazardous substances Compliant Compliant Not Compliant Compliant Not Compliant Compliant Not Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Part Status Active Active Unconfirmed Active Unconfirmed Active Active
Function Step Up Step Up Step Up Step Up Step Up Step Up Step Up
Output Type Fixed Fixed Fixed Fixed Fixed Fixed Fixed
Output Voltage (V) 5 5 5 5 5 5 5
Minimum Operating Supply Voltage (V) 2 2 2 2 2 2 2
Maximum Operating Supply Voltage (V) 5 5 5 5 5 5 5
Maximum Supply Current (mA) 0.02 0.02 0.02 0.02 0.02 0.02 0.02
Output Current (mA) 50 50 50 50 50 50 50
Switching Frequency (kHz) 600(Typ) 600(Typ) 600(Typ) 600(Typ) 600(Typ) 600(Typ) 600(Typ)
Efficiency (%) 82(Typ) 82(Typ) 82(Typ) 82(Typ) 82(Typ) 82(Typ) 82(Typ)
Minimum Operating Temperature (°C) - - - -40 -40 -40 -40
Maximum Operating Temperature (°C) 70 70 70 85 85 85 85
Supplier Temperature Grade Commercial Commercial Commercial Industrial Industrial Industrial Industrial
Pin Count 8 8 8 8 8 8 8
Standard Package Name SOP SOP SOP SOP SOP SOP SOP
Supplier Package SOIC N SOIC N SOIC N SOIC N SOIC N SOIC N SOIC N
Mounting Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 1.5(Max) 1.5(Max) 1.5(Max) 1.5(Max) 1.5(Max) 1.5(Max) 1.5(Max)
Package Length 5(Max) 5(Max) 5(Max) 5(Max) 5(Max) 5(Max) 5(Max)
Package Width 3.99(Max) 3.99(Max) 3.99(Max) 3.99(Max) 3.99(Max) 3.99(Max) 3.99(Max)
PCB changed 8 8 8 8 8 8 8
Lead Shape Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing
HTS 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 - 8542.39.00.01 8542.39.00.01
Packaging Tube Tape and Reel - Tube Tape and Reel Tape and Reel -

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