TK715xxAS
LOW DROPOUT VOLTAGE REGULATOR
FEATURES
APPLICATIONS
n Battery Powered Systems
n High Voltage Precision at ± 2.0% or ± 60 mV
n Very Low Quiescent Current
n Very Low Dropout Voltage
n Cellular Telephones
n Pagers
n Personal Communications Equipment
n Portable Instrumentation
n Portable Consumer Equipment
n Radio Control Systems
n Toys
n Reverse Voltage Protection
n Miniature Package (SOT23-3)
n Short Circuit Protection
n High Ripple Rejection
n Can use Multilayer Ceramic Capacitors
n Low Voltage Systems
DESCRIPTION
The TK715xx is a low dropout linear regulator housed in a
small SOT23-3 package, rated at 400 mW. An internal
PNP transistor is used to achieve a low dropout voltage of
105 mV (typ.) at 50 mA load current. This device offers
high precision output voltage of ± 2.0 % or ± 60 mV. The
TK715xx has a very low quiescent current of 25 µA (typ.)
at no load. The low quiescent current and dropout voltage
make this part ideal for battery powered applications. The
internalreversebiasprotectioneliminatestherequirement
for a reverse voltage protection diode, saving cost and
board space. The high 60 dB ripple rejection and low noise
provide enhanced performance for critical applications.
TK715xxAS
V
OUT
V
IN
20P
30T
GND
ORDERING INFORMATION
TK715 ASCL
Tape/ Reel Code
Temp. Code
Voltage Code
BLOCK DIAGRAM
Package Code
VOLTAGE CODE
TEMPERATURE CODE
C -30 to +80 °C
TAPE/REEL CODE
L: Tape Left
15 = 1.5 V
16 = 1.6 V
17 = 1.7 V
18 = 1.8 V
19 = 1.9 V
20 = 2.0 V
21 = 2.1 V
22 = 2.2 V
23 = 2.3 V
24 = 2.4 V
25 = 2.5 V
26 = 2.6 V
27 = 2.7 V
28 = 2.8 V
29 = 2.9 V
30 = 3.0 V
31 = 3.1 V
32 = 3.2 V
33 = 3.3 V
34 = 3.4 V
35 = 3.5 V
36 = 3.6 V
37 = 3.7 V
38 = 3.8 V
39 = 3.9 V
40 = 4.0 V
41 = 4.1 V
42 = 4.2 V
43 = 4.3 V
44 = 4.4 V
45 = 4.5 V
46 = 4.6 V
47 = 4.7 V
48 = 4.8 V
49 = 4.9 V
50 = 5.0 V
60 = 6.0 V
70 = 7.0 V
80 = 8.0 V
90 = 9.0 V
V
IN
V
OUT
PACKAGE CODE
S : SOT-23-3
THERMAL
PROTECTION
-
-
+
+
BANDGAP
REFERENCE
GND
March 2001 TOKO, Inc.
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