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TK11135M Datasheet Preview

TK11135M Datasheet

VOLTAGE REGULATOR WITH ON/OFF SWITCH

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TK11135M pdf
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
Page 1



TOKO
TOKO

TK11135M Datasheet Preview

TK11135M Datasheet

VOLTAGE REGULATOR WITH ON/OFF SWITCH

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TK11135M pdf
TK111xxM
ABSOLUTE MAXIMUM RATINGS TK111xxMCL (VOUT 2.0 V)
Supply Voltage ......................................................... 16 V Operating Temperature Range ...................-30 to +80 °C
Noise Bypass Terminal Voltage ................................. 5 V Operating Voltage Range ............................... 1.8 to 12 V
Power Dissipation (Note 1) ................................ 600 mW Junction Temperature ........................................... 150 °C
Reverse Bias ............................................................ 10 V Lead Soldering Temperature (10 s) ...................... 235 °C
Storage Temperature Range ................... -55 to +150 °C
TK111xxMCL ELECTRICAL CHARACTERISTICS
Test conditions: VIN = VOUT(TYP) + 1 V, TA = 25 °C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP MAX
IQ
ISTBY
VOUT
Quiescent Current
Standby Current
Output Voltage
Line Reg Line Regulation
Load Reg Load Regulation
VDROP
IOUT
IOUT(PULSE)
Dropout Voltage
Continuous Output Current
Pulse Output Current
IOUT = 0 mA, Excluding ICONT
VIN = 6 V, Output OFF
IOUT = 10 mA, VIN = VOUT(TYP) + 1 V
VIN = VOUT(TYP) + 1 V to
VOUT(TYP) + 6 V, (Note 2)
IOUT = 1 to 60 mA, (Note 2)
IOUT = 1 to 100 mA, (Note 2)
IOUT = 60 mA, (Note 2)
(Note 2)
5 ms pulse, 12.5 % duty cycle,
(Note 2)
140 200
0.1
See Table 1
0.8 18
8 30
14 55
120 200
100
130
RR Ripple Rejection
f = 1 kHz, CL = 4.7 µF,
CN = 0.1 µF, VIN = VOUT(TYP) + 2 V,
VR = 200 mVrms, IOUT = 10 mA,
(Notes 3,4)
70
VNO Output Noise Voltage
400 Hz f 80 kHz, CL = 4.7 µF,
CN = 0.01 µF, VIN = VOUT(TYP) + 2 V,
IOUT = 10 mA, (Notes 3,4)
Vref
Noise Bypass Terminal
Voltage
VOUT /T Temperature Coefficient
IOUT = 10 mA
CONTROL TERMINAL SPECIFICATIONS
30
1.25
25
ICONT
Control Current
VCONT = 1.8 V, Output ON
1.2
VCONT(ON) Control Voltage ON
Output ON
1.5
VCONT(OFF) Control Voltage OFF
Output OFF
Note 1: Power dissipation is 600 mW when mounted as recommended. Derate at 4.8 mW/°C for operation above 25 °C.
Note 2: Refer to “Definition of Terms.”
Note 3: Ripple rejection and noise voltage are affected by the value and characteristics of the capacitor used.
Note 4: Output noise voltage can be reduced by connecting a capacitor to the noise bypass terminal.
Gen. Note: Parameters with min. or max. values are 100% tested at TA = 25 °C.
Gen. Note: Exceeding the “Absolute Maximum Ratings” can damage the device.
4
0.35
UNITS
µA
µA
V
mV
mV
mV
mV
mA
mA
dB
µVrms
V
ppm/° C
µA
V
V
Page 2
March 1999 TOKO, Inc.


Part Number TK11135M
Description VOLTAGE REGULATOR WITH ON/OFF SWITCH
Maker TOKO
Total Page 16 Pages
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