TK11220A TOKO [TOKO, Inc], TK11220A Datasheet

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TK11220A

Manufacturer Part Number
TK11220A
Description
VOLTAGE REGULATOR WITH ON/OFF SWITCH
Manufacturer
TOKO [TOKO, Inc]
Datasheet
1.TK11220A.pdf (34 pages)
FEATURES
DESCRIPTION
The TK112xxA 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 Vrms.
An internal PNP pass transistor is used to achieve a low
dropout voltage of 70 mV (typ.) at 30 mA load current. The
TK112xxA has a very low quiescent current of 180 A at no
load and 1 mA with a 30 mA load. The standby current is
typically 100 nA. The internal thermal shutdown circuitry
limits the junction temperature to below 150 C. The load
current is internally monitored and the device will shutdown
in the presence of a short circuit or overcurrent condition at
the output.
The TK112xxA is available in either 6 pin SOT-23L or 5 pin
SOT-89-5 surface mount packages.
VOLTAGE CODE
20 = 2.0 V*
21 = 2.1 V
22 = 2.22 V*
25 = 2.5 V*
28 = 2.8 V*
29 = 2.9 V
30 = 3.0 V*
31 = 3.1 V*
33 = 3.3 V*
January, 1996 TOKO, Inc.
Voltage Code
High Voltage Precision at
Active High On/Off Control
Very Low Dropout Voltage 80 mV at 30 mA
Very Low Noise
Very Small SOT-23L or SOT-89-5 Surface Mount
Packages
Internal Thermal Shutdown
Short Circuit Protection
35 = 3.5 V*
36 = 3.6 V
38 = 3.8 V
40 = 4.0 V*
42 = 4.2 V
45 = 4.5 V*
48 = 4.8 V*
49 = 4.9 V
50 = 5.0 V*
55 = 5.5 V
ORDERING INFORMATION
TK112
* Indicates voltage is available in a SOT-89-5 package.
PACKAGE CODE
M: SOT-23L
U: SOT-89-5
A
2.4%
TAPE/REEL CODE
BX : Bulk/Bag
TL : Tape Left
TB : Tape Bottom
Tape/Reel Code
Package Code
(SOT-23L)
(SOT-89-5)
VOLTAGE REGULATOR WITH ON/OFF SWITCH
1-4-96
APPLICATIONS
CONTROL
Battery Powered Systems
Cellular Telephones
Pagers
Personal Communications Equipment
Portable Instrumentation
Portable Consumer Equipment
Radio Control Systems
Toys
Low Voltage Systems
V
IN
S
S
S
S
S
S
S
BLOCK DIAGRAM
REFERENCE
BANDGAP
S
S
S
TK112XXA
PROTECTION
S
CONTROL
THERMAL
BYPASS
CONTROL
BYPASS
S
NOISE
GND
NOISE
–
+
GND
1
2
3
S
S
1
2
3
S
S
TK112xxA
NOISE BYPASS
+
–
S
S
S
S
TK112xxA • PO
6
5
4
6
5
4
Page 1
V
V OUT
V IN
V
GND
GND
GND
V
IN
OUT
OUT

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TK11220A Summary of contents

Page 1

FEATURES High Voltage Precision at Active High On/Off Control Very Low Dropout Voltage Very Low Noise Very Small SOT-23L or SOT-89-5 Surface Mount Packages Internal Thermal Shutdown Short Circuit Protection DESCRIPTION The TK112xxA is a ...

Page 2

... TK112xx A ABSOLUTE MAXIMUM RATINGS Supply Voltage ......................................................... 16 V Power Dissipation SOT-23L (Note 1) ................. 400 mW Power Dissipation SOT-89-5 (Note 2) ................ 800 mW Storage Temperature Range ................... -55 to +150 C TK11220A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage ...

Page 3

TK11221A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current OR Line ...

Page 4

TK112xx A TK11222A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current ...

Page 5

TK11225A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current OR Line ...

Page 6

TK112xx A TK11228A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current ...

Page 7

TK11229A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current OR Line ...

Page 8

TK112xx A TK11230A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current ...

Page 9

TK11231A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current OR Line ...

Page 10

TK112xx A TK11233A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current ...

Page 11

TK11235A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current OR Line ...

Page 12

TK112xx A TK11236A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current ...

Page 13

TK11238A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current OR Line ...

Page 14

TK112xx A TK11240A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current ...

Page 15

TK11242A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current OR Line ...

Page 16

TK112xx A TK11245A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current ...

Page 17

TK11248A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current OR Line ...

Page 18

TK112xx A TK11249A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current ...

Page 19

TK11250A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current OR Line ...

Page 20

TK112xx A TK11255A ELECTRICAL CHARACTERISTICS Test conditions SYMBOL PARAMETER I Quiescent Current IN I Standby Current STBY V Output Voltage O V Dropout Voltage DROP I Output Current O I Recommended Output Current ...

Page 21

SOT-23L 0 NOISE BYPASS CONT 0.1 F CONT CONT V TYPICAL PERFORMANCE CHARACTERISTICS LOAD REGULATION 20 mV/Div ...

Page 22

TK112xx A TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) SHORT CURRENT vs. OUTPUT VOLTAGE 150 I O (mA) NOISE LEVEL vs. FREQUENCY °C -50 C ...

Page 23

... - TEMPERATURE (°C) CONTROL VOLTAGE THRESHOLD vs. TEMPERATURE 2.0 1 TEMPERATURE (°C) TK11220A OUTPUT VOLTAGE vs. LOAD CURRENT ° 150 I O (mA) January, 1996 TOKO, Inc unless otherwise specified A DROPOUT VOLTAGE vs. TEMPERATURE 500 400 300 ...

Page 24

TK112xx A TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TK11221A OUTPUT VOLTAGE vs. LOAD CURRENT ° 150 I O (mA) TK11222A OUTPUT VOLTAGE vs. LOAD CURRENT ° ...

Page 25

TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TK11228A OUTPUT VOLTAGE vs. LOAD CURRENT ° 150 I O (mA) TK11229A OUTPUT VOLTAGE vs. LOAD CURRENT ° ...

Page 26

TK112xx A TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TK11231A OUTPUT VOLTAGE vs. LOAD CURRENT ° 150 I O (mA) TK11233A OUTPUT VOLTAGE vs. LOAD CURRENT ° ...

Page 27

TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TK11236A OUTPUT VOLTAGE vs. LOAD CURRENT ° 150 I O (mA) TK11238A OUTPUT VOLTAGE vs. LOAD CURRENT ° ...

Page 28

TK112xx A TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TK11242A OUTPUT VOLTAGE vs. LOAD CURRENT ° 150 I O (mA) TK11245A OUTPUT VOLTAGE vs. LOAD CURRENT ° ...

Page 29

TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TK11249A OUTPUT VOLTAGE vs. LOAD CURRENT ° 150 I O (mA) TK11250A OUTPUT VOLTAGE vs. LOAD CURRENT ° ...

Page 30

TK112xx A DEFINITION AND EXPLANATION OF TECHNICAL TERMS LINE REGULATION (LINE REG) Line regulation is the relationship between change in output voltage due to a change in input voltage. LOAD REGULATION (LOAD REG) Load regulation is the relationship between change ...

Page 31

DEFINITION AND EXPLANATION OF TECHNICAL TERMS (CONT.) 5.) In design, take a vertical line from the maximum operating temperature (e. the derating curve. 6.) Read off the value of P against the point at which the D ...

Page 32

TK112xx A DEFINITION AND EXPLANATION OF TECHNICAL TERMS (CONT.) capacitors are now available from several manufacturers. Usually a bench test is sufficient to determine the minimum capacitance required for a particular application. After taking thermal characteristics and tolerance into account, ...

Page 33

SOT-23L the control function is not used, connect the control terminal to a logic high level on. The regulator will be on when the control terminal voltage is ...

Page 34

... Recommended Mount Pad ± 0.2 2.2 ±0.15 0.4 ± 0.3 3.3 SOT-89-5 ± 0.1 1.5 .7max 1.0 .7max 0.44max 2.0 1.5 1.5 0.44max Recommended Mount Pad Unit:mm YOUR LOCAL REPRESENTATIVE IS: 1-4-96 IC-114-TK112 Marking Information Product Code P Voltage Code TK11220A 20 TK11221A 21 TK11222A 22 TK11225A 25 TK11228A 28 TK11229A 29 TK11230A 30 TK11231A 31 TK11233A 33 TK11235A 35 TK11236A 36 TK11238A 38 TK11240A 40 TK11242A 42 TK11245A ...

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