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TC1173-5.0VOA Datasheet

  • TC1173-5.0VOA

  • 300mA CMOS LDO with Shutdown, ERROR Output and Bypass

  • 7頁

  • TELCOM

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TC1173
300mA CMOS LDO with Shutdown, ERROR Output and Bypass
FEATURES
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Extremely Low Supply Current for Longer Battery
Life!
Very Low Dropout Voltage
Guaranteed 300mA Output
Standard or Custom Output Voltages
ERROR Output Can be Used as a Low Battery
Detector or Processor Reset Generator
Power-Saving Shutdown Mode
Bypass Input for Ultra-Quiet Operation
Over-Current and Over-Temperature Protection
Space-Saving MSOP Package Option
GENERAL DESCRIPTION
The TC1173 is a precision output (typically
鹵0.5%)
CMOS low dropout regulator. Total supply current is typi-
cally 50碌A(chǔ) at full load
(20 to 60 times lower than in bipolar
regulators
!).
TC1173 key features include ultra low noise operation
(plus optional Bypass input); very low dropout voltage
(typically 240mV at full load) and internal feed-forward
compensation for fast response to step changes in load. An
error output (ERROR) is asserted when the TC1173 is out-
of-regulation (due to a low input voltage or excessive output
current). ERROR can be set as a low battery warning or as
a processor RESET signal (with the addition of an external
RC network). Supply current is reduced to 0.05碌A(chǔ) (typical)
and V
OUT
and ERROR fall to zero when the shutdown input
is low.
The TC1173 incorporates both over-temperature and
over-current protection. The TC1173 is stable with an output
capacitor of only 1碌F and has a maximum output current of
300mA.
APPLICATIONS
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Battery-Operated Systems
Portable Computers
Medical Instruments
Instrumentation
Cellular / GSM / PHS Phones
Linear Post-Regulator for SMPS
Pagers
ORDERING INFORMATION
Part
Number
TC1173-xxVOA
TC1173-xxVUA
Package
8-Pin SOIC
8-Pin MSOP
Junction
Temp. Range
鈥?40擄C to +125擄C
鈥?40擄C to +125擄C
TYPICAL APPLICATION
1
C1
1碌F
2
8
V
OUT
V
IN
V
IN
GND
NC
7
R3
1M
TC1173
3
NC
SHDN
6
Available Output Voltages:
2.5, 2.8, 3.0, 3.3, 5.0
xx indicates output voltages
Other output voltages are available. Please contact TelCom
Semiconductor for details.
4
Bypass
ERROR
5
ERROR
PIN CONFIGURATION
MSOP
V
OUT
GND
NC
Bypass
1
2
3
4
8
7
C
BYPASS
470pF
(Optional)
Shutdown Control
(from Power Control Logic)
TC1173VUA
6
5
V
IN
NC
SHDN
ERROR
SOIC
V
OUT
1
GND 2
8 V
IN
7 NC
NC 3 TC1173VOA 6 SHDN
Bypass 4
5 ERROR
TC1173-2 2/2/00 TelCom Semiconductor reserves the right to make changes in the circuitry and specifications of its devices.

TC1173-5.0VOA 產(chǎn)品屬性

  • 100

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，固定式

  • 5V

  • 最高 6V

  • 0.24V @ 300mA

  • 1

  • 300mA（最小）

  • -40°C ~ 125°C

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOICN

  • 管件

  • TC11735.0VOA

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