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PDF TK11457BX Data sheet ( Hoja de datos )
| Número de pieza | TK11457BX | |
| Descripción | VOLTAGE REGULATOR WITH ON/OFF SWITCH | |
| Fabricantes | TOKO | |
| Logotipo |  |
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TK114xx
VOLTAGE REGULATOR WITH ON/OFF SWITCH
FEATURES
s Low Dropout Voltage
s Electronic ON/OFF Switch
s Very Low Standby Current (ON, No Load)
s Internal Thermal Shutdown
s Short Circuit Protection
s Very Low (<100 nA) Current in OFF Mode
s Customized Versions Are Available
DESCRIPTION
The TK114xx is a low power, linear regulator with a built-
in electronic switch. The internal electronic switch can be
controlled by an external pull-up resistor and an open drain
or open collector transistor. The device is in the OFF state
when the control pin is biased from VIN through the pull-up
resistor.
An internal PNP pass-transistor is used in order to achieve
low dropout voltage (typically 200 mV at 50 mA load
current). The device has very low quiescent current (500
µA) in the ON mode with no load and 2 mA with 30 mA load.
The quiescent current is typically 4 mA at 60 mA load. An
internal thermal shutdown circuit limits the junction tem-
perature to below 150 °C. The load current is internally
monitored and the device will shut down (no load current)
in the presence of a short circuit at the output. The device
is available in a small SOT-23L surface mount package.
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
s Low Voltage Systems
R3
TK114xxM
CONTROL 1
2
GND 3
6 VIN
5
4 VO
KT114xxM.PO
BLOCK DIAGRAM
ORDERING INFORMATION
TK114
Tape/Reel Code
Voltage Code
VOLTAGE CODE
30 = 3.0 V
32 = 3.25 V
35 = 3.5 V
37 = 3.75 V
40 = 4.0 V
45 = 4.5 V
47 = 4.75 V
50 = 5.0 V
55 = 5.5 V
57 = 5.75 V
60 = 6.0 V
80 = 8.0 V
TAPE/REEL CODE
BX : Bulk/Bag
TL : Tape Left
VIN 1
HIGH
CONTROL 2
(HC)
S SS
THERMAL
S
PROTECTION
S
S
–
+
S
SS
S
S
LOW
CONTROL 3 S
(LC)
TK114xx
BANDGAP
REFERENCE
S
S 8 VO
+S
S 6 GND
KT114xx • BD
January, 1995 TOKO, Inc.
11-20-94
Page 1
1 page  
TK114xx
TK11437 ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
TEST CONDITION
IIN1
IIN2
IINS
VO
VDROP
IO
IOR
Supply Current 1
Supply Current 2
Standby Current
Output Voltage Regulation
Dropout Voltage
Output Current
Recommended Output
Current
VIN = 4.7 V, IO = 0 mA
VIN = 2.7 V, IO = 0 mA
VIN = 10 V, Output Off
VIN = 4.7 V, IO = 30 mA
IO = 30 mA
(Note 2)
LinReg
LoaReg
Line Regulation
Load Regulation
RR Ripple Rejection
∆V/∆T
VO Temperature Coefficient
VN Output Noise Voltage
Control Pin
VIN = 4.7 V → 9.7 V
IO = 0 mA to 30 mA
IO = 0 mA to 60 mA
100 mV(rms), f = 400 Hz
VIN = 5.2 V, IO = 10 mA
VIN = 5.2 V, IO = 10 mA
-20 °C ≤ TA ≤ 75 °C
VIN = 4.5 V, IO = 10 mA
ICONT
VCoff
VCon
Control Pin Current
Control Pin Voltage
Control Pin Voltage
On Mode
Off Mode
On Mode
MIN TYP
500
1
3.62 3.75
0.12
70 110
7
20
40
55
±0.4
180
VIN-0.2
0
35
Note 2: I (Load Current) is current when V drop down 0.3V from V at I = 30 mA.
O O OO
MAX
900
2.5
0.1
3.88
0.3
70
UNITS
µA
µA
µA
%
V
mA
mA
35 mV
110 mV
100 mV
dB
mV/°C
µV(rms)
120 µA
VIN V
0.6 V
January, 1995 TOKO, Inc.
11-20-94
Page 5
5 Page 
TK114xx
TK11460 ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
TEST CONDITION
IIN1
IIN2
IINS
VO
VDROP
IO
IOR
Supply Current 1
Supply Current 2
Standby Current
Output Voltage Regulation
Dropout Voltage
Output Current
Recommended Output
Current
VIN = 7.0 V, IO = 0 mA
VIN = 5.0 V, IO = 0 mA
VIN = 10 V, Output Off
VIN = 7.0 V, IO = 30 mA
IO = 30 mA
(Note 2)
LinReg
LoaReg
Line Regulation
Load Regulation
RR Ripple Rejection
∆V/∆T
VO Temperature Coefficient
VN Output Noise Voltage
Control Pin
VIN = 7.0 V → 12 V
IO = 0 mA to 30 mA
IO = 0 mA to 60 mA
100 mV(rms), f = 400 Hz
VIN = 7.5 V, IO = 10 mA
VIN = 7.5 V, IO = 10 mA
-20 °C ≤ TA ≤ 75 °C
VIN = 7.5 V, IO = 10 mA
ICONT
VCoff
VCon
Control Pin Current
Control Pin Voltage
Control Pin Voltage
On Mode
Off Mode
On Mode
MIN TYP
500
1
5.79 6.0
0.12
70 110
8
30
65
55
±0.7
180
VIN-0.2
0
35
Note 2: IO (Load Current) is current when VO drop down 0.3V from VO at IO = 30 mA.
MAX
900
3.0
0.1
6.21
0.3
70
UNITS
µA
µA
µA
%
V
mA
mA
40 mV
80 mV
140 mV
dB
mV/°C
µV(rms)
120 µA
VIN V
0.6 V
January, 1995 TOKO, Inc.
11-20-94
Page 11
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet TK11457BX.PDF ] | |
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