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TPS60310 Datasheet

  • TPS60310

  • 單節(jié)至 3.3V 20mA 超低靜態(tài)電流充電泵

  • 22頁

  • TI

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TPS60310, TPS60311, TPS60312, TPS60313
SINGLE-CELL TO 3-V/3.3-V, 20-mA DUAL OUTPUT,
HIGH-EFFICIENCY CHARGE PUMP WITH SNOOZE MODE
SLVS362A 鈥?MAY 2001 鈥?REVISED AUGUST 2001
features
applications
D
Regulated 3-V or 3.3-V Output Voltage With
D
D
D
D
D
D
D
D
up to 20-mA Output Current From a
0.9-V to 1.8-V Input Voltage Range
High Power Conversion Efficiency (up to
90%) Over Wide Output Current Range,
Optimized for 1.2-V Battery Voltage
Snooze Mode for Improved Efficiency at
Low-Output Current
Additional Output With 2 Times V
I
(OUT1)
Device Quiescent Current Less Than 2
碌A
Supervisor Included; Open Drain or
Push-Pull Power Good Output
No Inductors Required/Low EMI
Only Five Small, 1-碌F Ceramic Capacitors
Required
Microsmall 10-Pin MSOP Package
D
D
D
D
D
D
D
Pagers
Battery-Powered Toys
Portable Measurement Instruments
Home Automation Products
Medical Instruments (Like Hearing
Instruments)
Metering Applications Using MSP430
Microcontroller
Portable Smart Card Readers
DGS PACKAGES
(TOP VIEW)
SNOOZE
C1鈥?/div>
V
IN
C1+
OUT1
1
2
3
4
5
10
9
8
7
6
PG
GND
C2鈥?/div>
C2+
OUT2
description
The TPS6031X step-up, regulated charge pumps
generate a 3-V
鹵4%
or 3.3-V
鹵4%
output voltage
from a 0.9-V to 1.8-V input voltage (one alkaline,
NiCd, or NiMH battery).
ACTUAL SIZE
3,05 mm x 4,98 mm
Only five small 1-碌F 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 automatically selects
between a 3x or 4x conversion mode.
typical application circuit
C1F
1
碌F
2
INPUT
0.9 V to 1.8 V
CIN
1
碌F
C1鈥?/div>
3
VIN
+
TPS60310
OUT2
1
ON/OFF
4
C1+
8
C2鈥?/div>
C2F
1
碌F
7
C2+
+
6
R
SNOOZE
GND
9
PG
10
5
C(OUT1)
1
碌F
2脳 IN
Max 40 mA
3.3 V
鹵4%
Max 20 mA
+
C(OUT2)
1
碌F
EFFICIENCY
vs
OUTPUT CURRENT (OUT2)
90
80
70
Efficiency 鈥?%
60
50
40
30
20
10
VI = 1.3 V
Normal Mode
Snooze Mode
OUT1
0
10
100
0.001 0.01
0.1
1
IO 鈥?Output Current (OUT2) 鈥?mA
Snooze mode improves efficiency at an output current
in the range of 1
碌A
to 100
碌A.
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
錚?/div>
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.
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

TPS60310 PDF文件相關型號

TPS60311,TPS60313

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