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TPS60210/11/12/13 PDF预览

TPS60210/11/12/13

更新时间: 2024-01-01 17:33:17
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描述
Regulated 3.3V Low-Ripple Charge Pump with Ultralow Operating

TPS60210/11/12/13 数据手册

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TPS60210, TPS60211, TPS60212, TPS60213  
REGULATED 3.3 V, LOW-RIPPLE CHARGE PUMP  
WITH ULTRALOW OPERATING CURRENT  
SLVS296 – JUNE 2000  
D
D
Compact Converter Solution in UltraSmall  
10-Pin MSOP With Only Four External  
Capacitors Required  
features  
D
D
Regulated 3.3-V Output Voltage From a  
1.8-V to 3.6-V Input Voltage Range  
Evaluation Module Available  
(TPS60210EVM-167)  
UltraLow Operating Current in Snooze  
Mode, Typical 2 µA With up to 2-mA Output  
Current  
applications  
D
D
D
D
D
Less Than 5-mV  
Achieved With Push-Pull Topology  
Output Voltage Ripple  
(PP)  
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  
Integrated Low-Battery and Power-Good  
Detector  
Switching Frequency Can Be Synchronized  
to External Clock Signal  
Extends Battery Usage With up to 90%  
Efficiency and 35-µA Quiescent Current  
– MP3 Portable Audio Players  
– Backup-Battery Boost Converters  
– Cordless Phones, PDAs  
Easy-To-Design, Low Cost, Low EMI Power  
Supply Since No Inductors Are Used  
·
description  
The TPS6021x step-up, regulated charge pumps generate a 3.3-V ±4% output voltage from a 1.8-V to 3.6-V  
inputvoltage. Thesedevicesaretypicallypoweredbytwoalkaline, NiCd, orNiMHbatterycellsorbyoneprimary  
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.  
TPS60210  
OUTPUT  
3.3 V  
PEAK OUTPUT CURRENT  
vs  
INPUT  
1.6 V to 3.6 V  
TPS60210  
5
7
1
IN  
OUT  
INPUT VOLTAGE  
C
o
2.2  
350  
300  
250  
R1  
R2  
C
i
µ
R3  
µ
F
2.2  
F
LBI  
10  
LBO  
Low Battery  
Warning  
4
6
8
C1+  
C1–  
C2+  
C2–  
C1  
3
9
C2  
µ
1
F
200  
150  
100  
50  
µ
1
F
SNOOZE  
GND  
ON/OFF  
2
Figure 1. Typical Application Circuit With  
Low-Battery Warning  
0
1.6  
2.0  
2.4  
2.8  
3.2  
3.6  
V – Input Voltage – V  
I
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.  
Copyright 2000, 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.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
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