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TPS61001DGS Datasheet

  • TPS61001DGS

  • SINGLE-CELL BOOST CONVERTER WITH START-UP INTO FULL LOAD

  • 390.29KB

  • 22頁

  • TI

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TPS61000, TPS61001, TPS61002, TPS61003, TPS61004, TPS61005, TPS61006
SINGLE-CELL BOOST CONVERTER WITH START-UP INTO FULL LOAD
SLVS279A 鈥?MARCH 2000 鈥?REVISED MAY 2000
D
D
D
D
D
D
路
Start Up Into a Full Load With Supply
Voltages as Low as 0.9 V Over Full
Temperature Range
Minimum 100-mA Output Current From
0.8 V Supply Voltage
High Power Conversion Efficiency,
up to 90%
Power-Save Mode for Improved Efficiency
at Low Output Currents
Device Quiescent Current Less Than 50
碌A(chǔ)
Added System Security With Integrated
Low-Battery Comparator
D
D
D
D
Low-EMI Converter (Integrated Antiringing
Switch Across Inductor)
Micro-Size 10-Pin MSOP Package
Evaluation Modules Available
(TPS6100xEVM鈥?56)
Applications Include:
鈥?Single- and Dual-Cell Battery Operated
Products
鈥?MP3-Players and Wireless Headsets
鈥?Pagers and Cordless Phones
鈥?Portable Medical Diagnostic Equipment
鈥?Remote Controls
description
The TPS6100x devices are boost converters intended for systems that are typically operated from a single- or
dual-cell nickel-cadmium (NiCd), nickel-metal hydride (NiMH), or alkaline battery. The converter output voltage
can be adjusted from 1.5 V to a maximum of 3.3 V and provides a minimum output current of 100 mA. The
converter starts up into a full load with a supply voltage of 0.9 V and stays in operation with supply voltages as
low as 0.8 V.
The converter is based on a fixed-frequency, current-mode pulse-width-modulation (PWM) controller that goes
into power-save mode at low load currents. The current through the switch is limited to a maximum of 1100 mA,
depending on the output voltage. The current sense is integrated to further minimize external component count.
The converter can be disabled to minimize battery drain when the system is put into standby.
A low-EMI mode is implemented to reduce interference and radiated electromagnetic energy that is caused by
the ringing of the inductor when the inductor discharge-current decreases to zero. The device is packaged in
the space saving 10-pin MSOP package.
L1
Ci
10
碌F
33
碌H
6 VBAT
R1
R2
8 NC
ON
OFF
1 EN
GND
4
COMP 2
C1
100 pF
7
SW
VOUT 5
R3
9 LBI
TPS61006
FB 3
R4
10 k鈩?/div>
LBO 10
Low Battery
Warning
D1
TPS61006
VO = 3.3 V
START UP TIMING INTO 33
鈩?/div>
LOAD
140
VOUT
3
120
100
2
IOUT
80
60
1
40
20
0
Co
22
碌F
VO 鈥?Output Voltage 鈥?V
C2
33 nF
0
EN
TYPICAL APPLICATION CIRCUIT FOR FIXED
OUTPUT VOLTAGE OPTION
0
2
4
6
8
10 12
time 鈥?/div>
ms
14
16
18
20
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.
Copyright
漏
2000, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
I O Output Current 鈥?mA
鈥?/div>
1

TPS61001DGS 產(chǎn)品屬性

  • 320

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器

  • -

  • 升壓（升壓）

  • 固定

  • 1

  • 1.5V

  • 0.8 V ~ 1.5 V

  • 電流模式

  • 500kHz

  • 100mA

  • 無

  • -40°C ~ 85°C

  • 表面貼裝

  • 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）

  • 管件

  • 10-MSOP

  • 296-3218-5

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