TPS60210 Datasheet, PDF (1/21 Pages) Texas Instruments – REGULATED 3.3V LOW RIPPLE CHARGE PUMP WITH ULTRA LOW OPERATING CURRENT

TPS60210, TPS60211, TPS60212, TPS60213
REGULATED 3.3 V, LOWĆRIPPLE CHARGE PUMP
WITH ULTRALOW OPERATING CURRENT
SLVS296 − JUNE 2000
features
D Regulated 3.3-V Output Voltage From a
1.8-V to 3.6-V Input Voltage Range
D UltraLow Operating Current in Snooze
Mode, Typical 2 µA With up to 2-mA Output
Current
D Less Than 5-mV_(PP) Output Voltage Ripple
Achieved With Push-Pull Topology
D Integrated Low-Battery and Power-Good
Detector
D Switching Frequency Can Be Synchronized
to External Clock Signal
D Extends Battery Usage With up to 90%
Efficiency and 35-µA Quiescent Current
D Easy-To-Design, Low Cost, Low EMI Power
Supply Since No Inductors Are Used
·
description
D Compact Converter Solution in UltraSmall
10-Pin MSOP With Only Four External
Capacitors Required
D Evaluation Module Available
(TPS60210EVM-167)
applications
D Replaces DC/DC Converters With Inductors
in Battery-Powered Applications Like:
− Two Battery Cells to 3.3-V Conversion
− MSP430 Ultralow-Power Microcontroller
and Other Battery Powered
Microprocessor Systems
− Glucose Meters and Other Medical
Instruments
− MP3 Portable Audio Players
− Backup-Battery Boost Converters
− Cordless Phones, PDAs
The TPS6021x step-up, regulated charge pumps generate a 3.3-V ±4% output voltage from a 1.8-V to 3.6-V
input voltage. These devices are typically powered by two alkaline, NiCd, or NiMH battery cells or by one primary
lithium MnO2 (or similar) coin cell and operate down to a minimum supply voltage of 1.6 V. Continuous output
current is a minimum of 100 mA for the TPS60210 and TPS60211, and 50 mA for the TPS60212 and TPS60213,
all from a 2-V input.
INPUT
1.6 V to 3.6 V
TPS60210
7
5
IN
OUT
OUTPUT
3.3 V
Ci
2.2 µ F
R1
1 _LBI
R2
R3
Co
350
2.2 µ F
10
LBO
300
Low Battery
4
C1+
6
C2+
Warning
250
C1
1 µF
3 _C1−
8
C2−
C2
200
9
1 µF
SNOOZE
ON/OFF
GND
150
2
100
Figure 1. Typical Application Circuit With
Low-Battery Warning
50
TPS60210
PEAK OUTPUT CURRENT
vs
INPUT VOLTAGE
0
1.6
2.0
2.4
2.8
3.2
3.6
VI − Input Voltage − V
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.
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.
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Copyright  2000, Texas Instruments Incorporated
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