TK71628SCL TOKO, Inc, TK71628SCL Datasheet

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TK71628SCL

Manufacturer Part Number
TK71628SCL
Description
Manufacturer
TOKO, Inc
Datasheet

Specifications of TK71628SCL

Case
SOT23-5
Date_code
05

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TK71628SCL
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TOKO
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TK71628SCL
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December 1999 TOKO, Inc.
DESCRIPTION
The TK716xx is a low dropout linear regulator housed in a
small SOT23-5 package, rated at 500 mW. The phase
compensation in the IC has been optimized to allow the
use of ceramic or tantalum output capacitors. The device
is in the “on” state when the control pin is pulled to a logic
high level. An internal PNP pass transistor is used to
achieve a low dropout voltage of 90 mV (typ.) at 50 mA
load current. This device offers high precision output
voltage of
and dropout voltage make this part ideal for battery pow-
ered applications. This part incorporates an output discon-
nect feature to reduce the reverse bias current in the “off”
state to less than 50 nA.
FEATURES
VOLTAGE CODE*
13 = 1.3 V
14 = 1.4 V
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
*Check Table 4
for availability.
Available in
Active High On/Off Control
Very Low Quiescent Current
Very Low Dropout Voltage
Reverse Bias Protection
Miniature Package (SOT23-5)
Short Circuit Switch
High Ripple Rejection
Very High Output Impedance (Output Off)
Very Low Noise
Capacitor Code
Package Code
Voltage Code
ORDERING INFORMATION
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
2.0 % or
TK716
TK716
TK716
2.0 % or
1.0 %. The low quiescent current
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
51 = 5.1 V
52 = 5.2 V
53 = 5.3 V
54 = 5.4 V
1.0 % Output Tolerance
SCL
S I L
SCL H
TAPE/REEL CODE
L: Tape Left
TEMPERATURE CODE
C: Standard Temp. Range
PACKAGE CODE
S: SOT23-5
TOLERANCE CODE
H: 1 % Output Voltage Tolerance
CAPACITOR CODE
None: Ceramic Capacitor
A: Tantalum Capacitor
I: Extended Temp. Range
(Not available in I temp code)
Tolerance Code
Tape/Reel Code
Temp. Code
LOW DROPOUT VOLTAGE REGULATOR
APPLICATIONS
The internal reverse bias protection eliminates the require-
ment for a reverse voltage protection diode, saving cost
and board space. The high 60 dB ripple rejection (400 Hz)
and low noise provide enhanced performance for critical
applications. An external capacitor can be connected to
the noise bypass pin to lower the output noise level to 30
CONTROL
Vrms.
Battery Powered Systems
Cellular Telephones
Pagers
Personal Communications Equipment
Portable Instrumentation
Portable Consumer Equipment
Radio Control Systems
Toys
Low Voltage Systems
V IN
CONTROL
CIRCUIT
BLOCK DIAGRAM
REFERENCE
BANDGAP
GND
TK716xx
CONSTANT
CURRENT
SOURCE
CONTROL
BYPASS
OVERCURRENT
NOISE
THERMAL AND
PROTECTION
GND
V IN
TK716xx
DISCONNECT
+
-
CIRCUIT
BYPASS
V OUT
Page 1
NOISE
V OUT

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