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TPS60132 Datasheet

  • TPS60132

  • REGULATED 5-V, 300 mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONV...

  • 23頁(yè)

  • TI

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TPS60130, TPS60131, TPS60132, TPS60133
REGULATED 5-V, 300 mA HIGH EFFICIENCY CHARGE PUMP
DC/DC CONVERTERS
SLVS258A 鈥?NOVEMBER 1999 鈥?REVISED DECEMBER 1999
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features
Up to 90% Efficiency From 2.7-V to 5.4-V
Input Voltage Range Because of Special
Switching Topology
Up to 300-mA Output Current (TPS60130
and TPS60131)
No Inductors Required, Low EMI
Regulated 5-V
鹵4%
Output
Only Four External Components Required
60-碌A(chǔ) Quiescent Supply Current
0.05-碌A(chǔ) Shutdown Current
Load Disconnected in Shutdown
Space-Saving, Thermally-Enhanced
PowerPAD
t
Package
Evaluation Module Available
(TPS60130EVM鈥?43)
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applications
Battery-Powered Applications
Three Battery Cells to 5-V Conversion or
Point-of-Use 3.3 V to 5-V Conversion
Lilon Battery to 5-V Conversion
Portable Instruments
Battery-Powered Microprocessor Systems
Backup-Battery Boost Converters
PDA鈥檚, Organizers, Laptops
Handheld Instrumentation
Medical Instruments (e.g., Glucose Meters)
PCMCIA and 5-V Smart Card Supply
description
The TPS6013x step-up, regulated charge pumps generate a 5-V
鹵4%
output voltage from a 2.7-V to 5.4-V input
voltage (three alkaline, NiCd, or NiMH batteries or one Lithium or Lilon battery). The output current is 300 mA
for the TPS60130/ TPS60131 and 150 mA for the TPS60132/ TPS60133, all from a 3-V input. Only four external
capacitors are needed to build a complete high efficiency dc/dc charge pump converter. To achieve the high
efficiency over a wide input voltage range, the charge pump automatically selects between a 1.5x or doubler
conversion mode. From a 3-V input, all ICs can start with full load current.
efficiency (TPS60130, TPS60131)
100
90
80
70
Efficiency 鈥?%
60
50
40
30
20
IO = 108 mA
IO = 300 mA
IO = 216 mA
IO = 66 mA
typical operating circuit
Input
2.7 V to 5.4 V
Ci
15
碌F
TPS60130
IN
R1
IN
LBI
R2
C1+
C1鈥?/div>
OUT
OUT
FB
LBO
C2+
C2鈥?/div>
C2
2.2
碌F
R3
Co
33
碌F
Output
5 V, 300 mA
C1
2.2
碌F
OFF/ON
10
0
2.6
3
4.6
3.4
3.8
4.2
VI 鈥?Input Voltage 鈥?V
5
5.4
ENABLE
PGND GND
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
漏
1999, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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