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PDF TK11333BUIL Data sheet ( Hoja de datos )
| Número de pieza | TK11333BUIL | |
| Descripción | VOLTAGE REGULATOR WITH ON/OFF SWITCH | |
| Fabricantes | TOKO | |
| Logotipo |  |
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TK113xxBM/U
VOLTAGE REGULATOR WITH ON/OFF SWITCH
FEATURES
s High Voltage Precision at ± 2.0%
s Active Low On/Off Control
s Very Low Dropout Voltage 80 mV at 30 mA
s Very Low Noise
s Very Small SOT23L or SOT89 Surface Mount
Packages
s Internal Thermal Shutdown
s Short Circuit Protection
DESCRIPTION
The TK113xxB is a low dropout linear regulator with a built-
in electronic switch. The device is in the “on” state when
the control pin is pulled to a low level. An external capacitor
can be connected to the noise bypass pin to lower the
output noise level to 30 µVrms.
An internal PNP pass transistor is used to achieve a low
dropout voltage of 80 mV (typ.) at 30 mA load current. The
TK113xxB has a very low quiescent current of 170 µA at no
load and 1 mA with a 30 mA load. The standby current is
typically 100 nA. The internal thermal shut down 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.
ORDERING INFORMATION
TK113 B
Voltage Code
Package Code
Tape/Reel Code
Temp. Code
VOLTAGE CODE
20 = 2.0 V
37 = 3.7 V
21 = 2.1 V
38 = 3.8 V
22 = 2.2 V
39 = 3.9 V
23 = 2.3 V
40 = 4.0 V
24 = 2.4 V
41 = 4.1 V
25 = 2.5 V
42 = 4.2 V
26 = 2.6 V
43 = 4.3 V
27 = 2.7 V
44 = 4.4 V
28 = 2.8 V
45 = 4.5 V
29 = 2.9 V
46 = 4.6 V
30 = 3.0 V
47 = 4.7 V
31 = 3.1 V
48 = 4.8 V
32 = 3.2 V
49 = 4.9 V
33 = 3.3 V
50 = 5.0 V
34 = 3.4 V
55 = 5.5 V
35 = 3.5 V
60 = 6.0 V
36 = 3.6 V
80 = 8.0 V
PACKAGE CODE:
M: SOT23L
U: SOT89
TAPE/REEL CODE
L: Tape Left (SOT23L)
B: Tape Left (SOT89)
TEMP. CODE:
C: -30 to +80 °C
I: -40 to +85°C
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
The TK113xxB is available in either 6-pin SOT23L or 5-pin
SOT89 surface mount packages.
TK113xxB
20P
SOT23L
CONTROL
GND
NOISE BYPASS
VIN
GND
VOUT
SOT89
NOISE BYPASS
GND
CONTROL
BLOCK DIAGRAM
VIN
CONTROL
THERMAL
PROTECTION
BANDGAP
REFERENCE
NOISE
BYPASS
VOUT
GND
VIN
VOUT
GND
April 2000 TOKO, Inc.
Page 1
1 page  
TK113xxBM/U
TK113xxBM/UI ELECTRICAL CHARACTERISTICS TABLE 2
Test Conditions: VIN = VOUT(TYP) + 1 V, IOUT = 30 mA, unless otherwise specified.
Output
Voltage
Voltage
Code
Room
Temp.
Range
(T
A
=
25
°C)
VOUT(MIN)
VOUT(MAX)
Full
Temp.
Range
(T
A
=
-40
to
+85
°C)
VOUT(MIN)
VOUT(MAX)
2.5 V
2.6 V
2.7 V
2.8 V
2.9 V
3.0 V
3.1 V
3.2 V
3.3 V
3.4 V
3.5 V
3.6 V
3.7 V
3.8 V
3.9 V
4.0 V
4.1 V
4.2 V
4.3 V
4.4 V
4.5 V
4.6 V
4.7 V
4.8 V
4.9 V
5.0 V
5.5 V
6.0 V
8.0 V
25
2.440 V
2.560 V
2.400 V
2.600 V
26
2.540 V
2.660 V
2.500 V
2.700 V
27
2.640 V
2.760 V
2.600 V
2.800 V
28
2.750 V
2.860 V
2.700 V
2.900 V
29
2.840 V
2.960 V
2.800 V
3.000 V
30
2.940 V
3.060 V
2.900 V
3.100 V
31
3.040 V
3.160 V
3.000 V
3.200 V
32
3.140 V
3.260 V
3.095 V
3.305 V
33
3.240 V
3.360 V
3.190 V
3.410 V
34
3.335 V
3.465 V
3.290 V
3.510 V
35
3.435 V
3.565 V
3.385 V
3.615 V
36
3.535 V
3.665 V
3.485 V
3.720 V
37
3.630 V
3.770 V
3.580 V
3.820 V
38
3.725 V
3.875 V
3.675 V
3.925 V
39
3.825 V
3.975 V
3.770 V
4.030 V
40
3.920 V
4.080 V
3.870 V
4.130 V
41
4.020 V
4.180 V
3.965 V
4.235 V
42
4.120 V
4.280 V
4.060 V
4.335 V
43
4.215 V
4.385 V
4.160 V
4.440 V
44
4.315 V
4.485 V
4.255 V
4.545 V
45
4.410 V
4.590 V
4.350 V
4.645 V
46
4.510 V
4.690 V
4.450 V
4.750 V
47
4.605 V
4.795 V
4.545 V
4.850 V
48
4.705 V
4.895 V
4.640 V
4.955 V
49
4.800 V
5.000 V
4.740 V
5.060 V
50
4.900 V
5.100 V
4.835 V
5.165 V
55
5.390 V
5.610 V
5.320 V
5.680 V
60
5.880 V
6.120 V
5.805 V
6.195 V
80
7.840 V
8.160 V
7.745 V
8.265 V
April 2000 TOKO, Inc.
Page 5
5 Page 
TK113xxBM/U
DEFINITION AND EXPLANATION OF TECHNICAL TERMS (CONT.)
ON/OFF RESPONSE WITH CONTROL AND LOAD TRANSIENT RESPONSE
The turn-on time depends upon the value of the output capacitor and the noise bypass capacitor. The turn-on time will
increase with the value of either capacitor. The graphs below shows the relationship between turn-on time and load
capacitance. If the value of these capacitors is reduced, the load and line regulation will suffer and the noise voltage will
increase. If the value of these capacitors is increased, the turn-on time will increase.
OUTPUT VOLTAGE RESPONSE
(OFF→ON)
ILOAD = 10 mA, CN = 1000 pF
CL = 0.33 µF
CL = 1.0 µF
CL = 1.5 µF
CL = 0.47 µF
-5 5 15 25 35 45
TIME (µs)
OUTPUT VOLTAGE RESPONSE
(OFF→ON)
CL = 2.2 µF
CN = 0.01 µF
CN = 0.1 µF
ILOAD = 30 mA
0 200 400 600 800
TIME (µs)
LOAD CURRENT STEP RESPONSE
ILOAD = 5 to 35 mA
30 to 60 mA
0 to 30 mA
CL = 0.33 µF
-5 5 15 25 35 45
TIME( µs)
REDUCTION OF OUTPUT NOISE
Although the architecture of the Toko regulators is designed to minimize semiconductor noise, further reduction can be
achieved by the selection of external components. The obvious solution is to increase the size of the output capacitor.
A more effective solution would be to add a capacitor to the noise bypass terminal. The value of this capacitor should
be 0.1 µf or higher (higher values provide greater noise reduction). Although stable operation is possible without the noise
bypass capacitor, this terminal has a high impedance and care should be taken to avoid a large circuit area on the printed
circuit board when the capacitor is not used. Please note that several parameters are affected by the value of the
capacitors and bench testing is recommended when deviating from standard values.
April 2000 TOKO, Inc.
Page 11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TK11333BUIL.PDF ] | |
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