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TC2014-2.85VCTTR Datasheet(Fiches technique) 1 Page - Microchip Technology

Numéro de pièce TC2014-2.85VCTTR
Description  50 mA, 100 mA, 150 mA CMOS LDOs with Shutdown and Reference Bypass
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
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 2001-2012 Microchip Technology Inc.
DS21662F-page 1
TC2014/2015/2185
Features
• Low Supply Current: 80 µA (Max)
• Low Dropout Voltage: 140 mV (Typ.) @ 150 mA
• High-Output Voltage Accuracy: ±0.4% (Typ.)
• Standard or Custom Output Voltages
• Power-Saving Shutdown Mode
• Reference Bypass Input for Ultra Low-Noise
Operation
• Fast Shutdown Response Time: 60 µsec (Typ.)
• Overcurrent and Overtemperature Protection
• Space-Saving 5-Pin SOT-23A Package
• Pin-Compatible Upgrades for Bipolar Regulators
• Wide Operating Temperature Range:
-40°C to +125°C
• Standard Output Voltage Options:
- 1.8V, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 3.0V,
3.3V, 5.0V
Applications
• Battery-Operated Systems
• Portable Computers
• Medical Instruments
• Instrumentation
• Cellular/GSM/PHS Phones
• Linear Post-Regulator for SMPS
• Pagers
Related Literature
• Application Notes: AN765, AN766, AN776 and
AN792
Package Type
General Description
The TC2014, TC2015 and TC2185 are high-accuracy
(typically ±0.4%) CMOS upgrades for bipolar Low
Drop-out Regulators (LDOs), such as the LP2980.
Total supply current is typically 55 µA; 20 to 60 times
lower than in bipolar regulators.
The key features of the device include low noise oper-
ation (plus bypass reference), low dropout voltage
– typically 45 mV for the TC2014, 90 mV for the
TC2015, and 140 mV for the TC2185, at full load – and
fast response to step changes in load. Supply current
is reduced to 0.5 µA (max) and VOUT falls to zero when
the shutdown input is low. These devices also
incorporate
overcurrent
and
overtemperature
protection.
The TC2014, TC2015 and TC2185 are stable with an
output capacitor of 1 µF and have maximum output
currents of 50 mA, 100 mA and 150 mA, respectively.
For higher-output
current versions, see the TC1107
(DS21356),
TC1108
(DS21357)
and
TC1173
(DS21362) (IOUT = 300 mA) data sheets.
Typical Application
TC2014
TC2015
TC2185
1
3
4
5
2
Bypass
GND
VOUT
VIN
SHDN
5-Pin SOT-23A
0.01 µF
Reference
Bypass Cap
(Optional)
Shutdown Control
(from Power Control Logic)
TC2014
TC2015
TC2185
VIN
1
2
34
5
VIN
VOUT
Bypass
SHDN
GND
VOUT
1µF
1µF
+
+
50 mA, 100 mA, 150 mA CMOS LDOs with
Shutdown and Reference Bypass




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