TK715xxAS
FEATURES
nHigh Voltage Precision at ± 2.0% or ± 60 mV
nVery Low Quiescent Current
nVery Low Dropout Voltage
nReverse Voltage Protection
nMiniature Package (SOT23-3)
nShort Circuit Protection
nHigh Ripple Rejection
nCan use Multilayer Ceramic Capacitors
LOW DROPOUT VOLTAGE REGULATOR
APPLICATIONS
nBattery Powered Systems
nCellular Telephones
nPagers
nPersonal Communications Equipment
nPortable Instrumentation
nPortable Consumer Equipment
nRadio Control Systems
nToys
nLow 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 internal reverse bias protection eliminates the requirement 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.
|
ORDERING INFORMATION |
|
||||||||||||||
|
TK715 |
|
|
ASCL |
|
|
||||||||||
|
Voltage Code |
|
|
|
|
|
|
|
|
|
|
|
|
|
Tape/ Reel Code |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Temp. Code |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Package Code |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|||||||||||||
VOLTAGE CODE |
TEMPERATURE CODE |
TAPE/REEL CODE |
||||||||||||||
15 = 1.5 V |
35 = 3.5 V |
C -30 to +80 °C |
L: Tape Left |
|||||||||||||
16 = 1.6 V |
36 = 3.6 V |
PACKAGE CODE |
|
|
||||||||||||
17 = 1.7 V |
37 = 3.7 V |
|
|
|||||||||||||
18 = 1.8 V |
38 = 3.8 V |
S : SOT-23-3 |
|
|
||||||||||||
19 = 1.9 V |
39 = 3.9 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
20 = 2.0 V |
40 = 4.0 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
21 = 2.1 V |
41 = 4.1 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
22 = 2.2 V |
42 = 4.2 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
23 = 2.3 V |
43 = 4.3 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
24 = 2.4 V |
44 = 4.4 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
25 = 2.5 V |
45 = 4.5 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
26 = 2.6 V |
46 = 4.6 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
27 = 2.7 V |
47 = 4.7 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
28 = 2.8 V |
48 = 4.8 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
29 = 2.9 V |
49 = 4.9 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
30 = 3.0 V |
50 = 5.0 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
31 = 3.1 V |
60 = 6.0 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
32 = 3.2 V |
70 = 7.0 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
33 = 3.3 V |
80 = 8.0 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
34 = 3.4 V |
90 = 9.0 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
TK715xxAS
VIN VOUT
20P 30T
GND
BLOCK DIAGRAM |
|
VIN |
VOUT |
THERMAL |
|
PROTECTION |
|
- |
- |
+ |
+ |
BANDGAP |
|
REFERENCE |
|
GND |
|
March 2001 TOKO, Inc. |
Page 1 |
TK715xxAS
ABSOLUTE MAXIMUM RATINGS (VOUT£ 5.0 V)
Supply Voltage ............................................. |
-0.4 to 19 |
V |
Power Dissipation (Note 1) ................................ |
400 mW |
|
Reverse Bias ............................................................. |
8 |
V |
Short Circuit Current........................................... |
170 mA |
|
Storage Temperature (Ambient) .............. |
-55 to +150 °C |
Operating Temperature (Ambient) ............ |
-30 to +80 |
°C |
Max. Operating Temperature (Junction) ............. |
125 |
°C |
Operating Voltage Range ........................... |
1.8 to 18.0 V |
|
Junction Temperature ......................................... |
150 |
°C |
Lead Soldering Temperature (10 s) ..................... |
235 |
°C |
TK715xx ELECTRICAL CHARACTERISTICS (VOUT £ 5.0 V)
Test conditions: VIN = VOUT(TYP) + 1V, TA = 25 °C, unless otherwise specified.
SYMBOL |
PARAMETER |
TEST CONDITIONS |
MIN |
|
TYP |
|
MAX |
UNITS |
|
|
|
|
|
|
|
|
|
IQ |
Quiescent Current |
IOUT = 0 mA |
|
|
25 |
|
45 |
µA |
|
|
|
|
|
|
|
|
|
IGND |
Ground Pin Current |
IOUT = 15 mA |
|
|
300 |
|
500 |
µA |
VOUT |
Output Voltage |
IOUT = 5 mA |
|
See Table 1 |
|
V |
||
Line Reg |
Line Regulation |
VIN = VOUT(TYP) + 1 V to VOUT(TYP) + 6 V |
|
|
3 |
|
12 |
mV |
Load Reg |
Load Regulation |
IOUT = 5 to 100 mA, (Note 2) |
|
|
18 |
|
36 |
mV |
|
|
|
|
|
|
|
|
|
|
|
IOUT = 50 mA |
|
|
0.105 |
|
0.18 |
V |
|
|
|
|
|
|
|
|
|
VDROP |
Dropout Voltage (Note 5) |
IOUT = 100 mA, 2.4 V £ VOUT £ 5.0 V |
|
|
0.16 |
|
0.28 |
V |
|
|
IOUT = 100 mA, 2.1 V £ VOUT £ 2.4 V |
|
|
0.16 |
|
0.30 |
V |
|
|
|
|
|
|
|
|
|
|
|
|
115 |
|
155 |
|
|
|
IOUT(MAX) |
Continuous Output Current |
|
|
|
|
|
|
mA |
1.8 V £ Vin £ 2.1 V (Note 3) |
70 |
|
90 |
|
|
|||
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
RR |
Ripple Rejection |
(Note 4) |
|
|
60 |
|
|
dB |
|
|
|
|
|
|
|
|
|
∆ VOUT / ∆ T |
Temperature Coefficient |
IOUT = 5 mA |
|
|
30 |
|
|
ppm/°C |
|
|
|
|
|
|
|
|
|
Note 1: Power dissipation is 400 mW when mounted as recommended. Derate at 3.2 mW/°C for operation above 25 °C. Note 2: Refer to “Definition of Terms.”
Note 3: Please refer to the Applications Section for more information.
Note 4: Ripple rejection is measured at VR = 200 mVrms, VIN = VOUT(TYP) + 2 V, IOUT = 10 mA, CL = 2.2 µF, f = 100 Hz.
Note 5: The minimum operating voltage for VIN can be 1.8 V. Also, the minimum voltage required for VIN is VIN = VDROP + VOUT. As a result, operating at VOUT £ 2.0 V at the minimum input operating voltage is not preferred.
Gen. Note: Parameters with min. or max. values are 100% tested at TA = 25 °C.
Page 2 |
March 2001 TOKO, Inc. |
TK715xxAS
ABSOLUTE MAXIMUM RATINGS (VOUT ³
Supply Voltage ............................................. |
-0.4 to 19 |
V |
Power Dissipation (Note 1) ................................ |
400 mW |
|
Reverse Bias ............................................................. |
8 |
V |
Short Circuit Current........................................... |
170 mA |
|
Storage Temperature (Ambient) .............. |
-55 to +150 °C |
5.1 V)
Operating Temperature (Ambient) ............ |
-30 to +80 |
°C |
Max. Operating Temperature (Junction) ............. |
125 |
°C |
Operating Voltage Range .............................. |
1.8 to 18 V |
|
Junction Temperature ......................................... |
150 |
°C |
Lead Soldering Temperature (10 s) ..................... |
235 |
°C |
TK715xx ELECTRICAL CHARACTERISTICS (VOUT ³ 5.1 V)
Test conditions: VIN = VOUT(TYP) + 1V, TA = 25 °C, unless otherwise specified.
SYMBOL |
PARAMETER |
TEST CONDITIONS |
MIN |
|
TYP |
|
MAX |
UNITS |
|
|
|
|
|
|
|
|
|
IQ |
Quiescent Current |
IOUT = 0 mA |
|
|
32 |
|
60 |
µA |
|
|
|
|
|
|
|
|
|
IGND |
Ground Pin Current |
IOUT = 15 mA |
|
|
300 |
|
500 |
µA |
VOUT |
Output Voltage |
IOUT = 5 mA |
|
See Table 1 |
|
V |
||
Line Reg |
Line Regulation |
VIN = VOUT(TYP) + 1 V to |
|
|
3 |
|
12 |
mV |
|
|
VOUT(TYP) + 6 V or Max 18 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Load Reg |
Load Regulation |
IOUT = 5 to 100 mA, (Note 2) |
|
|
35 |
|
80 |
mV |
|
|
|
|
|
|
|
|
|
VDROP |
Dropout Voltage |
IOUT = 50 mA |
|
|
0.105 |
|
0.18 |
V |
|
|
|
|
|
|
|
||
IOUT = 100 mA |
|
|
0.160 |
|
0.28 |
V |
||
|
|
|
|
|
||||
|
|
|
|
|
|
|
|
|
IOUT(MAX) |
Continuous Output Current |
|
115 |
|
155 |
|
|
mA |
RR |
Ripple Rejection |
(Note 3) |
|
|
60 |
|
|
dB |
|
|
|
|
|
|
|
|
|
∆ VOUT / ∆ T |
Temperature Coefficient |
IOUT = 5 mA |
|
|
30 |
|
|
ppm/°C |
|
|
|
|
|
|
|
|
|
Note 1: Power dissipation is 400 mW when mounted as recommended. Derate at 3.2 mW/°C for operation above 25 °C. Note 2: Refer to “Definition of Terms.”
Note 3: Ripple rejection is measured at VR = 200 mVrms, VIN = VOUT(TYP) + 2 V, IOUT = 10 mA, CL = 2.2 µF, f = 100 Hz. Gen. Note: Parameters with min. or max. values are 100% tested at TA = 25 °C.
March 2001 TOKO, Inc. |
Page 3 |
TK715xxAS
TK715xxAS ELECTRICAL CHARACTERISTICS TABLE 1
Output |
Voltage |
VOUT(MIN) |
VOUT(MAX) |
Test |
Voltage |
Code |
|
|
Voltage |
1.5 V |
15 |
1.440 V |
1.560 V |
2.5 V |
1.6 V |
16 |
1.540 V |
1.660 V |
2.6 V |
1.7 V |
17 |
1.640 V |
1.760 V |
2.7 V |
1.8 V |
18 |
1.740 V |
1.860 V |
2.8 V |
1.9 V |
19 |
1.840 V |
1.960 V |
2.9 V |
2.0 V |
20 |
1.940 V |
2.060 V |
3.0 V |
2.1 V |
21 |
2.040 V |
2.160 V |
3.1 V |
2.2 V |
22 |
2.140 V |
2.260 V |
3.2 V |
2.3 V |
23 |
2.240 V |
2.360 V |
3.3 V |
2.4 V |
24 |
2.340 V |
2.460 V |
3.4 V |
2.5 V |
25 |
2.440 V |
2.560 V |
3.5 V |
2.6 V |
26 |
2.540 V |
2.660 V |
3.6 V |
2.7 V |
27 |
2.640 V |
2.760 V |
3.7 V |
2.8 V |
28 |
2.740 V |
2.860 V |
3.8 V |
2.9 V |
29 |
2.840 V |
2.960 V |
3.9 V |
3.0 V |
30 |
2.940 V |
3.060 V |
4.0 V |
3.1 V |
31 |
3.040 V |
3.160 V |
4.1 V |
3.2 V |
32 |
3.140 V |
3.260 V |
4.2 V |
3.3 V |
33 |
3.240 V |
3.360 V |
4.3 V |
3.4 V |
34 |
3.340 V |
3.460 V |
4.4 V |
Output |
Voltage |
VOUT(MIN) |
VOUT(MAX) |
Test |
Voltage |
Code |
|
|
Voltage |
3.5 V |
35 |
3.440 V |
3.560 V |
4.5 V |
3.6 V |
36 |
3.530 V |
3.670 V |
4.6 V |
3.7 V |
37 |
3.630 V |
3.770 V |
4.7 V |
3.8 V |
38 |
3.730 V |
3.870 V |
4.8 V |
3.9 V |
39 |
3.830 V |
3.970 V |
4.9 V |
4.0 V |
40 |
3.930 V |
4.070 V |
5.0 V |
4.1 V |
41 |
4.030 V |
4.170 V |
5.1 V |
4.2 V |
42 |
4.130 V |
4.270 V |
5.2 V |
4.3 V |
43 |
4.230 V |
4.370 V |
5.3 V |
4.4 V |
44 |
4.330 V |
4.470 V |
5.4 V |
4.5 V |
45 |
4.430 V |
4.570 V |
5.5 V |
4.6 V |
46 |
4.530 V |
4.670 V |
5.6 V |
4.7 V |
47 |
4.630 V |
4.770 V |
5.7 V |
4.8 V |
48 |
4.730 V |
4.870 V |
5.8 V |
4.9 V |
49 |
4.830 V |
4.970 V |
5.9 V |
5.0 V |
50 |
4.930 V |
5.070 V |
6.0 V |
6.0 V |
60 |
5.880 V |
6.120 V |
7.0 V |
7.0 V |
70 |
6.860 V |
7.140 V |
8.0 V |
8.0 V |
80 |
7.840 V |
8.160 V |
9.0 V |
9.0 V |
90 |
8.820 V |
9.180 V |
10.0 V |
Page 4 |
March 2001 TOKO, Inc. |
TK715xxAS
TEST CIRCUIT
IIN |
VOUT |
|
|
VIN |
|
|
|
VIN |
|
|
|
CIN |
CL |
IOUT |
VOUT |
0.1 µF |
1.0 µF |
|
|
|
TANTALUM |
|
|
GND
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25 °C, unless otherwise specified.
VOUT (10 mV/ DIV)
LOAD REGULATION
VOUT TYPICAL
VOUT (V)
0 |
50 |
100 |
|
IOUT (mA) |
|
|
SHORT CIRCUIT CURRENT |
|
|
|
OUTPUT VOLTAGE vs. |
|||
|
|
|
|
|
INPUT VOLTAGE |
|||
|
|
|
|
|
|
|
|
|
5 |
|
|
|
VOUT TYPICAL |
|
|||
|
|
|
4 |
DIV) |
IOUT = 0 mA |
3 |
mV/ |
IOUT = 50 mA |
(25 |
|
|
|
|
|
2 |
OUT |
IOUT = 100 mA |
|
|
|
|
V |
|
1 |
|
50 mV/DIV |
|
|
|
|
|
VIN = VOUT |
0
0 |
100 |
200 |
0 |
|
IOUT (mA) |
|
VIN (V) |
LINE REGULATION |
REVERSE BIAS CURRENT RANGE |
|
VOUT TYPICAL |
|
|
100 |
|
(VIN = 0 V) |
|
|
|
|
|
||
|
|
|
|
|
Because the output voltage is |
|
DIV) |
|
|
|
80 |
different, the reverse current |
|
|
|
(µA) |
will change this area. |
|
||
mV/ |
|
|
|
|||
|
|
|
VOUT = 2.0 V |
|||
(50 |
|
|
REV |
60 |
|
|
|
|
|
|
|
||
OUT |
|
|
I |
40 |
|
|
|
|
|
|
|
|
|
V |
|
|
|
|
|
|
|
|
|
|
20 |
|
|
|
|
|
|
0 |
|
VOUT = 8.0 V |
|
|
|
|
|
|
|
0 |
10 |
20 |
|
0 |
5 |
10 |
|
VIN (V) |
|
|
|
VREV (V) |
|
IQ (mA)
INPUT CURRENT VS.
INPUT VOLTAGE
2 |
|
IOUT = 0 mA |
|
1
VOUT = 3 V
0
0 |
5 |
10 |
|
VIN (V) |
|
March 2001 TOKO, Inc. |
Page 5 |