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TPS60101PWP Datasheet

  • TPS60101PWP

  • REGULATED 3.3-V 100-mA LOW-NOISE CHARGE PUMP DC/DC CONVERTER

  • 21頁(yè)

  • TI

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TPS60101
REGULATED 3.3-V 100-mA LOW-NOISE
CHARGE PUMP DC/DC CONVERTER
SLVS214A 鈥?JUNE 1999 鈥?REVISED SEPTEMBER 1999
features
applications
Replaces DC/DC Converters With Inductors in
鈥?Battery-Powered Applications
鈥?Two Battery Cells to 3.3-V Conversion
鈥?Portable Instruments
鈥?Battery-Powered Microprocessor and
DSP Systems
鈥?Miniature Equipment
鈥?Backup-Battery Boost Converters
鈥?PDAs
鈥?Laptops
鈥?Handheld Instrumentation
鈥?Medical Instruments
鈥?Cordless Phones
D
D
D
D
D
D
D
D
D
D
D
D
Up to 100-mA Output Current
Less Than 5-mV
pp
Output Voltage Ripple
No Inductors Required/Low EMI
Regulated 3.3-V
鹵4%
Output
Only Four External Components Required
Up to 90% Efficiency
1.8-V to 3.6-V Input Voltage Range
50-碌A(chǔ) Quiescent Supply Current
0.05-碌A(chǔ) Shutdown Current
Load Isolated in Shutdown
Space-Saving Thermally-Enhanced TSSOP
PowerPAD鈩?Package
Evaluation Module Available
(TPS60100EVM鈥?31)
description
The TPS60101 step-up, regulated charge pump
generates a 3.3-V
鹵4%
output voltage from a
1.8-V to 3.6-V input voltage (two alkaline, NiCd, or
NiMH batteries). Output current is 100 mA from a
2-V input. Only four external capacitors are
needed to build a complete low-noise dc/dc
converter. The push-pull operating mode of two
single-ended charge pumps assures the low
output voltage ripple as current is continuously
transferred to the output. From a 2-V input, the
TPS60101 can start into full load with loads as low
as 33
鈩?
The TPS60101 features either constant frequen-
cy mode to minimize noise and output voltage
ripple or the power-saving pulse-skip mode to
extend battery life at light loads. The TPS60101
switching frequency is 300 kHz. The logic
shutdown function reduces the supply current to
1-碌A(chǔ) (max) and disconnects the load from the
input. Special current-control circuitry prevents
excessive current from being drawn from the
battery during start-up. This DC/DC converter
requires no inductors and has low EMI. It is
available in the small 20-pin TSSOP PowerPAD鈩?/div>
package (PWP).
output voltage ripple
3.45
3.4
VO 鈥?Output Voltage 鈥?V
3.35
3.3
3.25
3.2
3.15
3.1
3.05
0
1
2
3
SKIP =COM = 3V8 = 0 V
VIN = 2.4 V
VO = 3.3 V
IO = 100 mA
CO = 22
碌F
X5R Ceramic
4
5
6
7
8
9 10
t 鈥?Time 鈥?/div>
碌s
typical operating circuit
INPUT
1.8 V to
3.6 V
CIN
4.7
碌F
+
OUTPUT
3.3 V
100 mA
+ CO
10
碌F
C2F
1
碌F
SKIP COM 3V8
IN
IN
OUT
OUT
TPS60101 FB
C2+
C2鈥?/div>
SYNC
C1F
1
碌F
C1+
C1鈥?/div>
ENABLE
OFF/ON
PGND GND
Figure 1
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

TPS60101PWP 產(chǎn)品屬性

  • 70

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器

  • -

  • 升壓（升壓），切換電容（充電泵）

  • 固定

  • 1

  • 3.3V

  • 1.8 V ~ 3.6 V

  • -

  • 300kHz

  • 100mA

  • 無(wú)

  • -40°C ~ 85°C

  • 表面貼裝

  • 20-TSSOP（0.173"，4.40mm 寬）裸露焊盤

  • 管件

  • 20-HTSSOP

  • 296-2264-5

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