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TOKO - VOLTAGE REGULATOR WITH ON/OFF SWITCH

Numéro de référence TK11140M
Description VOLTAGE REGULATOR WITH ON/OFF SWITCH
Fabricant TOKO 
Logo TOKO 





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TK11140M fiche technique
TK111xxM
VOLTAGE REGULATOR WITH ON/OFF SWITCH
FEATURES
s High Voltage Precision at ± 2.0% or ± 60 mV
s Active High On/Off Control
s Very Low Dropout Voltage (85 mV at 30 mA)
s Very Low Noise
s Miniature Package (SOT-23L-6)
s Internal Thermal Shutdown
s Short Circuit Protection
s Excellent Ripple Rejection (70 dB @ 1 kHz)
s Reverse Bias Protection
DESCRIPTION
The TK111xxM is a low dropout linear regulator with a built-
in electronic switch. The internal switch can be controlled
by TTL or CMOS logic levels. The device is in the “on” state
when the control pin is pulled to a logic high level. An
external capacitor can be connected to the noise bypass
pin to lower the output noise level to 30 µVrms.
APPLICATIONS
s Battery Powered Systems
s Cellular Telephones
s Pagers
s Personal Communications Equipment
s Portable Instrumentation
s Portable Consumer Equipment
s Radio Control Systems
s Toys
TK111xxM
An internal PNP pass transistor is used to achieve a low
dropout voltage of 85 mV (typ.) at 30 mA load current. The
TK111xxM has a very low quiescent current of 140 µA
(typ.) at no load . The standby current is 100 nA maximum.
The internal thermal shutdown circuitry limits the junction
temperature to below 150 °C. The load current is internally
monitored and the device will shut down in the presence of
a short circuit or overcurrent condition at the output.
20P
CONTROL
GND
NOISE BYPASS
The TK111xxM is available in a miniature SOT-23L-6
surface mount package.
ORDERING INFORMATION
TK111 M L
Voltage Code
Tape/Reel Code
Temp Code
Product Code
VIN
BLOCK DIAGRAM
THERMAL
PROTECTION
VOLTAGE CODE
20 = 2.0 V
36 = 3.6 V
21 = 2.1 V
37 = 3.7 V
22 = 2.2 V
38 = 3.8 V
23 = 2.3 V
39 = 3.9 V
24 = 2.4 V
40 = 4.0 V
25 = 2.5 V
41 = 4.1 V
27 = 2.7 V
42 = 4.2 V
28 = 2.8 V
43 = 4.3 V
29 = 2.9 V
44 = 4.4 V
30 = 3.0 V
45 = 4.5 V
31 = 3.1 V
46 = 4.6 V
32 = 3.2 V
47 = 4.7 V
33 = 3.3 V
48 = 4.8 V
34 = 3.4 V
49 = 4.9 V
35 = 3.5 V
50 = 5.0 V
PACKAGE CODE
M: SOT-23L-6
NOTE 1:
2.0 V to 2.3 V available
in C temperature code
(-30 to +80 °C) only.
TAPE/REEL CODE
L: Tape Left
TEMP. CODE:
C: -30 to +80 °C
I: -40 to +85 °C
CONTROL
BANDGAP
REFERENCE
NOISE
BYPASS
March 1999 TOKO, Inc.
VIN
GND
VOUT
VOUT
GND
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