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PDF TK716XX Data sheet ( Hoja de datos )
| Número de pieza | TK716XX | |
| Descripción | LOW DROPOUT VOLTAGE REGULATOR | |
| Fabricantes | TOKO | |
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TK716xx
LOW DROPOUT VOLTAGE REGULATOR
FEATURES
s Available in ± 2.0 % or ± 1.0 % Output Tolerance
s Active High On/Off Control
s Very Low Quiescent Current
s Very Low Dropout Voltage
s Reverse Bias Protection
s Miniature Package (SOT23-5)
s Short Circuit Switch
s High Ripple Rejection
s Very High Output Impedance (Output Off)
s Very Low Noise
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
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 ± 2.0 % or ± 1.0 %. The low quiescent current
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.
ORDERING INFORMATION
TK716
TK716
TK716
SCL
SIL
SCL H
Voltage Code
Capacitor Code
Package Code
Tolerance Code
Tape/Reel Code
Temp. Code
VOLTAGE CODE*
13 = 1.3 V
27 = 2.7 V
14 = 1.4 V
28 = 2.8 V
15 = 1.5 V
29 = 2.9 V
16 = 1.6 V
30 = 3.0 V
17 = 1.7 V
31 = 3.1 V
18 = 1.8 V
32 = 3.2 V
19 = 1.9 V
33 = 3.3 V
20 = 2.0 V
34 = 3.4 V
21 = 2.1 V
35 = 3.5 V
22 = 2.2 V
36 = 3.6 V
23 = 2.3 V
37 = 3.7 V
24 = 2.4 V
38 = 3.8 V
25 = 2.5 V
39 = 3.9 V
26 = 2.6 V
40 = 4.0 V
*Check Table 4
for availability.
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
TAPE/REEL CODE
L: Tape Left
TEMPERATURE CODE
C: Standard Temp. Range
I: Extended Temp. Range
PACKAGE CODE
S: SOT23-5
TOLERANCE CODE
H: 1 % Output Voltage Tolerance
(Not available in I temp code)
CAPACITOR CODE
None: Ceramic Capacitor
A: Tantalum Capacitor
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
µVrms.
TK716xx
VIN
GND20P
CONTROL
VOUT
NOISE
BYPASS
VIN
CONTROL
BLOCK DIAGRAM
CONTROL
CIRCUIT
CONSTANT
CURRENT
SOURCE
BANDGAP
REFERENCE
THERMAL AND
OVERCURRENT
PROTECTION
VOUT
-
+
DISCONNECT
CIRCUIT
GND
NOISE
BYPASS
December 1999 TOKO, Inc.
Page 1
1 page  
TK716xx
TK716xx SIL ELECTRICAL CHARACTERISTICS TABLE 3
Test Conditions: VIN = VOUT(TYP) + 1 V, IOUT = 5 mA, TA = 25 °C, unless otherwise specified.
Output
Voltage
2.4 V
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
Voltage
Code
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Room
Temp.
Range
(T
A
=
25
°C)
V
OUT(MIN)
V
OUT(MAX)
2.360 V
2.460 V
2.560 V
2.660 V
2.760 V
2.860 V
2.960 V
3.060 V
3.160 V
3.260 V
3.360 V
3.460 V
3.560 V
3.660 V
3.760 V
3.860 V
3.960 V
4.059 V
4.158 V
4.257 V
4.356 V
4.455 V
4.554 V
4.653 V
4.752 V
4.851 V
4.950 V
2.440 V
2.540 V
2.640 V
2.740 V
2.840 V
2.940 V
3.040 V
3.140 V
3.240 V
3.340 V
3.440 V
3.540 V
3.640 V
3.740 V
3.840 V
3.940 V
4.040 V
4.141 V
4.242 V
4.343 V
4.444 V
4.545 V
4.646 V
4.747 V
4.848 V
5.049 V
5.050 V
Full
Temp.
Range
(T
A
=
-40
to
+85
°C)
V
OUT(MIN)
V
OUT(MAX)
2.320 V
2.420 V
2.520 V
2.620 V
2.720 V
2.820 V
3.920 V
3.020 V
3.120 V
3.220 V
3.320 V
3.420 V
3.520 V
3.620 V
3.720 V
3.820 V
3.920 V
4.009 V
4.108 V
4.197 V
4.306 V
4.405 V
4.504 V
4.603 V
4.702 V
4.801 V
4.900 V
2.480 V
2.580 V
2.680 V
2.780 V
2.880 V
2.980 V
3.080 V
3.180 V
3.280 V
3.380 V
3.480 V
3.580 V
3.680 V
3.780 V
3.880 V
3.980 V
4.090 V
4.191 V
4.292 V
4.893 V
4.494 V
4.595 V
4.496 V
4.497 V
4.898 V
5.099 V
5.100 V
December 1999 TOKO, Inc.
Page 5
5 Page 
TK716xx
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
LOAD CURRENT STEP RESPONSE 2
CN = 0.01 µF, CL = 2.2 µF
IOUT = 35 to 5 mA
IOUT = 60 to 30 mA
IOUT = 30 to 0 mA
TIME (2.5 µs/ DIV)
SHORT CIRCUIT CURRENT VS.
INPUT VOLTAGE
400
300
200
100
0
0
VOUT IS CONNECTED TO GND
246
VIN (V)
8
GROUND CURRENT VS.
OUTPUT CURRENT
40
30
20
10
0
0 0.9 40 50 120 160 200
IOUT (mA)
December 1999 TOKO, Inc.
CONTROL VOLTAGE VS.
TEMPERATURE
2.0
1.5
OUTPUT ON
1.0
OUTPUT OFF
0.5
0
0 25 50 75 100
TA (°C)
CONTROL CURRENT VS.
TEMPERATURE
5.0
4.0 VCONT = 5.0 V
3.0
2.0
1.0
0
0
VCONT = 2.0 V
25 50 75
TA (°C)
100
DROPOUT CHARACTERISTICS
VOUT
IOUT = 0 mA
IOUT = 80 mA
VIN = VOUT
VIN (1 V/ DIV)
Page 11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet TK716XX.PDF ] | |
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