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TOKO

TK11321BU Datasheet Preview

TK11321BU Datasheet

VOLTAGE REGULATOR

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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
February 2001 TOKO, Inc.
Page 1




TOKO

TK11321BU Datasheet Preview

TK11321BU Datasheet

VOLTAGE REGULATOR

No Preview Available !

TK113xxBM/U
ABSOLUTE MAXIMUM RATINGS (VOUT ³ 2.0 V)
Supply Voltage ......................................................... 16 V Storage Temperature Range ................... -55 to +150 °C
Output Current .................................................... 260 mA Operating Temperature Range .................. -30 to +80 °C
Power Dissipation SOT-23L (Note 1) ................ 600 mW Voltage Range ............................................ 1.8 to 14.5 V
Power Dissipation SOT-23L (Note 1) ................ 900 mW Operating Junction Temperature ......................... 150 °C
Reverse Bias ............................................................ 10 V
TK113xxBM/UC ELECTRICAL CHARACTERISTICS (VOUT ³ 2.0 V)
Test conditions: TA = 25 °C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNITS
IQ
ISTBY
VOUT
Quiescent Current
Standby Current
Output Voltage
Line Reg Line Regulation
Load Reg Load Regulation
VDROP
Dropout Voltage
IOUT
IOUT(PULSE)
Continuous Output Current
Pulse Output Current
RR Ripple Rejection
VNO Output Noise Voltage
Vref
Noise Bypass Terminal
Voltage
IOUT = 0 mA, Excluding ICONT
VIN = 8 V, Output OFF
IOUT = 30 mA
VOUT 5.5 V, (Note 2)
VOUT 5.6 V, (Note 2)
IOUT = 1 to 60 mA, (Note 2)
IOUT = 1 to 100 mA, (Note 2)
I = 1 to 150 mA, (Note 2)
OUT
IOUT = 60 mA, (Note 2)
IOUT = 150 mA, (Note 2)
(Note 2)
5 ms pulse, 12.5 % duty cycle
f = 400 Hz, CL = 10 µF, CN = 0.1 µF,
VIN = VOUT + 1.5 V, IOUT = 30 mA,
VRIPPLE = 100 mVrms, (Note 3)
10 Hz f 80 kHz, CL = 10 µF,
CN = 0.1 µF, VCN = VOUT + 1.5 V,
IOUT = 60 mA, (Notes 3,4)
170 250
0.1
See Table 1
3.0 20
15 40
6 30
18 60
23 90
0.12 0.20
0.26 0.39
150
180
60
µA
µA
V
mV
mV
mV
mV
mV
V
V
mA
mA
dB
30 µVrms
1.25 V
VOUT /T Temperature Coefficient
IOUT = 10 mA
CONTROL TERMINAL SPECIFICATIONS
40 ppm/°C
ICONT
Control Current
VCONT = 1.8 V, Output ON
12 35
µA
VCONT(ON) Control Voltage ON
Output ON
VCC-1.8
V
V Control Voltage OFF
CONT(OFF)
Output OFF
VCC-0.6
V
Note 1: When mounted as recommended. Derate at 4.8 mW/°C for SOT-23L and 6.4 mW/°C for SOT-89 packages 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 a noise pass terminal.
Gen. Note: Parameters with min. or max. values are 100% tested at TA = 25 °C.
Page 2
February 2001 TOKO, Inc.


Part Number TK11321BU
Description VOLTAGE REGULATOR
Maker TOKO
Total Page 16 Pages
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