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TPS76201_17 PDF预览

TPS76201_17

更新时间: 2024-02-17 03:32:19
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16页 580K
描述
LOW OUTPUT ADJUSTABLE ULTRALOW-POWER 100-mA LDO LINEAR REGULATOR

TPS76201_17 数据手册

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ꢀꢁ ꢂ ꢃꢄ ꢅꢆ ꢇ  
ꢈ ꢉ ꢊ ꢉ ꢋꢀ ꢁꢋꢀ ꢌꢍꢎ ꢋ ꢂꢀꢌ ꢏꢈ ꢐ  
ꢋꢈꢀ ꢑꢌꢈ ꢉ ꢊꢒꢁꢉ ꢊ ꢐꢑ ꢇ ꢆ ꢆ ꢒꢓꢌ ꢈ ꢍꢉ ꢈ ꢔꢕꢐ ꢌꢑ ꢑꢐ ꢖ ꢋꢈ ꢌꢀꢉ ꢑ  
SLVS323B − FEBRUARY 2001 − REVISED JANUARY 2007  
DBV PACKAGE  
(TOP VIEW)  
D
D
D
D
D
D
100-mA Low-Dropout Regulator  
Adjustable Output Voltage (0.7 V to 5.5 V)  
Only 23 µA Quiescent Current at 100 mA  
1 µA Quiescent Current in Standby Mode  
Over Current Limitation  
1
2
3
5
OUT  
FB  
IN  
GND  
4
EN  
−40°C to 125°C Operating Junction  
Temperature Range  
D
5-Pin SOT-23 (DBV) Package  
GROUND CURRENT  
vs  
JUNCTION TEMPERATURE  
description  
27  
25  
23  
21  
19  
17  
15  
V = 2.7 V  
I
O
I
O
= 100 mA  
V
= 0.7 V  
The TPS76201 low-dropout (LDO) voltage  
regulator features an adjustable output voltage as  
low as 0.7 V. It is an ideal regulator for sub 1.2-V  
DSP core voltage supplies and is equally suited  
for similar applications with other low-voltage  
processors and controllers. SOT-23 packaging  
and the high-efficiency that results from the  
regulator’s ultralow power operation make the  
TPS76201 especially useful in handheld and  
portable battery applications. This regulator  
features low dropout voltages and ultralow  
quiescent current compared to conventional LDO  
I
O
= 10 µA  
−40 −25 −10  
5
20 35 50 65 80 95 110 125  
T
− Junction Temperature − °C  
J
regulators. Offered in a 5-terminal small outline integrated-circuit SOT-23 package, the TPS76201 is ideal for  
micropower operations and where board space is at a premium.  
A combination of new circuit design and process innovation has enabled the usual PNP pass transistor to be  
replaced by a PMOS pass element. Since the PMOS pass element is a voltage-driven device, the quiescent  
current is ultralow (30 µA maximum) and is stable over the entire range of output load current (10 µA to 100 mA).  
Intended for use in portable systems such as laptops and cellular phones, the ultralow-power operation results  
in a significant increase in the system battery operating life.  
The TPS76201 also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current  
to 1 µA typical at T = 25°C. The TPS76201 is offered in an adjustable version (programmable over the range  
J
of 0.7 V to 5.5 V).  
AVAILABLE OPTIONS  
T
J
VOLTAGE  
PACKAGE  
PART NUMBER  
SYMBOL  
Variable  
0.7 V to 5.5 V  
SOT-23  
(DBV)  
§
−40°C to 125°C  
TPS76201DBVT  
TPS76201DBVR  
PFUI  
§
Contact the factory for availability of fixed output options.  
The DBVT indicates tape and reel of 250 parts.  
The DBVR indicates tape and reel of 3000 parts.  
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.  
All trademarks are the property of their respective owners.  
ꢀꢢ  
Copyright 2001−2007, Texas Instruments Incorporated  
ꢞ ꢢ ꢟ ꢞꢘ ꢙꢬ ꢛꢚ ꢝ ꢥꢥ ꢣꢝ ꢜ ꢝ ꢓ ꢢ ꢞ ꢢ ꢜ ꢟ ꢧ  
www.ti.com  
1

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