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TPS63700DRCR Datasheet

  • TPS63700DRCR

  • DC-DC INVERTER

  • 22頁

  • TI

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Actual Size
3 mm x 3 mm
TPS63700
SLVS530 鈥?SEPTEMBER 2005
www.ti.com
DC-DC INVERTER
FEATURES
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Adjustable Output Voltage Down to 鈥?5 V
2.7-V to 5.5-V Input Voltage Range
Up to 360-mA Output Current
1000-mA Typical Switch Current Limit
Up to 84% Efficiency
Typical 1.4-MHz Fixed-Frequency PWM
Operation
Thermal Shutdown
Typical 鈥?9 V Output Overvoltage Protection
1.5-碌A(chǔ) Shutdown Current
Small 3-mm x 3-mm SON-10 Package (DRC)
DESCRIPTION
The TPS63700 is an inverting dc-dc converter gener-
ating a negative output voltage down to 鈥?5 V with
output currents up to 360-mA, depending on in-
put-voltage to output-voltage ratio. With a total ef-
ficiency up to 84%, the device is ideal for portable
battery-powered equipment. The input voltage range
of 2.7-V to 5.5-V allows the TPS63700 to be directly
powered from a Li-ion battery, from 3-cell NiMH/NiCd,
from a 3.3-V or 5-V supply rail. The TPS63700 comes
in a small 3-mm x 3-mm SON-10 package. Further-
more, the high switching frequency of typically 1.4
MHz allows the use of small external components.
This, and the small package make a small power
supply solution possible.
The inverter operates with a fixed-frequency PWM
control topology. The device has an internal current
limit, overvoltage protection, and a thermal shutdown
for highest reliability under fault conditions.
APPLICATIONS
Generic Negative Voltage Supply
Small-to-Medium Size OLED Displays
PDAs, Pocket PCs, Smartphones
Bias Supply
TPS63700
C2
VIN
R1
C1
0.1
mF
EN
PS_GND
VIN
2.7 V To 5.5 V
C4
10
mF
IN
GND
PowerPAD
VREF
0.22
mF
FB
OUT
D1
SW
COMP
C6
4.7 nF
L1
4.7
mH
C5
22
mF
VOUT
鈭? V
R3
R2
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.
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 2005, Texas Instruments Incorporated

TPS63700DRCR 產(chǎn)品屬性

  • 1

  • 集成電路 (IC)

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

  • -

  • 降壓（降壓），升壓（升壓），反相

  • 可調(diào)式

  • 1

  • -2 V ~ -15 V

  • 2.7 V ~ 5.5 V

  • -

  • 1.38MHz

  • 360mA

  • 無

  • -40°C ~ 85°C

  • 表面貼裝

  • 10-VFDFN 裸露焊盤

  • Digi-Reel®

  • 10-SON 裸露焊盤（3x3）

  • 296-31989-6

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