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TPS60303

更新时间： 2024-09-14 22:52:55
品牌 Logo 应用领域
德州仪器 - TI 输出元件功效泵
页数 文件大小 规格书
22页 366K
描述
SINGLE-CELL TO 3.0-V/3.3-V, 20-mA DUAL OUTPUT, HIGH-EFFICIENCY CHARGE PUMP

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TPS60303 数据手册

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TPS60300, TPS60301, TPS60302, TPS60303  
SINGLE-CELL TO 3.0-V/3.3-V, 20-mA DUAL OUTPUT,  
HIGH-EFFICIENCY CHARGE PUMP  
SLVS302A – DECEMBER 2000 – REVISED MARCH 2001  
features  
applications  
D
Regulated 3-V or 3.3-V Output Voltage With  
up to 20-mA Output Current From a 0.9-V to  
1.8-V Input Voltage Range  
D
D
D
D
D
D
D
Pagers  
Battery-Powered Toys  
Portable Measurement Instruments  
Home Automation Products  
D
High Power Conversion Efficiency (up to  
90%) Over a Wide Output Current Range,  
Optimized for 1.2-V Battery Voltage  
Medical Instruments (Like Hearing  
Instruments)  
D
D
D
Additional Output With 2 Times V (OUT1)  
IN  
Device Quiescent Current Less Than 35 µA  
Metering Applications Using MSP430  
Microcontroller  
Supervisor Included; Open Drain or  
Push-Pull Power Good Output  
Portable Smart Card Readers  
D
No Inductors Required/Low EMI  
DGS PACKAGES  
(TOP VIEW)  
D
Only Five Small, 1-µF Ceramic Capacitors  
Required  
PG  
EN  
1
2
3
4
5
10  
9
D
D
Load Isolated From Battery During  
Shutdown  
GND  
C2–  
C2+  
OUT2  
C1–  
V
8
IN  
C1+  
7
Microsmall 10-Pin MSOP Package  
6
OUT1  
description  
The TPS6030x step-up, regulated charge pumps  
ACTUAL SIZE  
3,05 mm x 4,98 mm  
generate a 3-V ±4% or 3.3-V ±4% output voltage  
from a 0.9-V to 1.8-V input voltage (one alkaline,  
NiCd, or NiMH battery).  
Only five small 1-µF ceramic capacitors are required 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 automaticallyselects  
between a 3x or 4x conversion mode.  
typical application circuit  
ALKALINE BATTERY OPERATING TIME  
1.6  
1.5  
1.4  
1.3  
1.2  
1.1  
1
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
C1F  
C2F  
1 µF  
1 µF  
Efficiency  
V Battery  
2
4
8
7
C1– C1+ C2– C2+  
INPUT  
0.9 V to 1.8 V  
2× IN  
Max 40 mA  
5
3
+
OUT1  
V
IN  
+
C
1 µF  
(OUT1)  
C
1 µF  
IN  
TPS60300  
OUT2  
3.3 V ±4%  
Max 20 mA  
(OUT2)  
1 µF  
6
+
C
R
0.9  
0.8  
0.7  
0.6  
1
EN  
10  
PG  
OFF/ON  
GND  
9
10 12 14 16 18 20 22 24 26 28 30 32 34  
Operating Time  
0
2 4 6 8  
Operating time (hours) with an alkaline battery  
(2000 mAh) until power good goes low @ l = 20 mA  
L
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 2001, 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  
1234567...22

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