TOKO TK716xx User Manual

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TK716xx

LOW DROPOUT VOLTAGE REGULATOR

FEATURES

■ Available in ± 2.0 % or ± 1.0 % Output Tolerance

■ 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

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 pow­ered applications. This part incorporates an output discon­nect feature to reduce the reverse bias current in the “off”
state to less than 50 nA.

APPLICATIONS

■ Battery Powered Systems

■ Cellular Telephones

■ Pagers

■ Personal Communications Equipment

■ Portable Instrumentation

■ Portable Consumer Equipment

■ Radio Control Systems

■ Toys

■ Low Voltage Systems

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 (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

V

GND

IN

V

OUT

ORDERING INFORMATION

CONTROL

NOISE

BYPASS

TK716 SCL
TK716 SIL
TK716 SCL H

Voltage Code

Capacitor Code

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.

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
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

December 1999 TOKO, Inc. Page 1

Tolerance Code
Tape/Reel Code
Temp. CodePackage Code

CONTROL

V

IN

BLOCK DIAGRAM

CONTROL

CIRCUIT

CONSTANT

CURRENT

SOURCE

THERMAL AND

OVERCURRENT

PROTECTION

BANDGAP

REFERENCE

GND

NOISE

BYPASS

-

+

DISCONNECT

CIRCUIT

V

OUT

TK716xx

ABSOLUTE MAXIMUM RATINGS

Supply Voltage ......................................................... 16 V

Power Dissipation (Note 1) ................................ 500 mW

Reverse Bias Voltage................................................. 6 V

Control Terminal Voltage ......................................... 12 V

Noise Bypass Terminal Voltage ................................. 5 V

Operating Voltage Range............................... 1.8 to 12 V

Storage Temperature Range ................... -55 to +150 °C

TK716xx SCL AND TK716xx SCLH ELECTRICAL CHARACTERISTICS

Test conditions: VIN = V

LOBMYSRETEMARAPSNOITIDNOCTSETNIMPYTXAMSTINU

OUT(TYP)

+ 1 V, TA = 25 °C, unless otherwise specified.

Operating Temperature (Ambient) Range

TK716xx SCL, TK716xx SCLH ............ -30 to +80 °C

TK716xx SIL.......................................... -40 to +85 °C

Junction Temperature (Operating) ........................ 125 °C

Junction Temperature (Shutdown)........................ 150 °C

Lead Soldering Temperature (10 s) ......................235 °C

I

Q

I
I
I
I
I

V
∆V

V

V

tnerruCtnecseiuQI

YBTS

VER

DNG

TUO

)ESLUP(TUO

TUO

/∆T

TUO

tnerruCybdnatSV

tnerruCsaiBesreveRV

tnerruCniPDNGI

tnerruCtuptuOsuounitnoC 051Am

tnerruCtuptuOesluP%04=elcyCytuD,eslupsm01002Am

egatloVtuptuOV

erutarepmeTtneiciffeoC02C°/mpp

geReniLnoitalugeReniLV

geRdaoLnoitalugeRdaoL

PORD

egatloVtuoporD

TUO

NI

NI

NI

NI

I
I

I

,V8=V(FFOtuptuO
,V0=V

VER

TUO

TUO

TUO

TUO

Am05=18.1Am

V=

V=

)PYT(TUO

)PYT(TUO

I<Am1

TUO

I<Am1

TUO

I<Am1

TUO

Am05=09061Vm

Am001=041032Vm

Am051=

lanimreTssapyBesioN

fer

egatloV

IgnidulcxE,Am0=

TNOC

≤ )V51.01.0Aµ

TNOC

07001Aµ

FFOtuptuO,V5=105An

,V1+I

TUO

VotV1+

Am5=2dna1elbaTeeSV

V6+251Vm

)PYT(TUO

Am05<481Vm

Am001<782Vm
Am051<2105Vm

≥ V4.2002003Vm

V

TUO

V

TUO

V4.2<002053Vm

62.1V

SNOITACIFICEPSLANIMRETLORTNOC

I

TNOC

V
V

Note 1: Power dissipation is 500 mW when mounted as recommended. Derate at 4.0 mW/°C for operation above 25 °C.
Gen Note: Exceeding the “Absolute Maximum Ratings” may damage the device.
Gen Note: Parameters with min. or max. values are 100% tested at TA = 25 °C.
Gen Note: Ripple rejection is @ 60 dB when f = 400 Hz, C
Gen Note: Output noise is 0.13 ~ 0.23 µV/ Hz at 1 kHz when CN = 0.1 µF.

)NO(TNOC

)FFO(TNOC

tnerruClortnoCV

TUO

,V6.1=NOtuptuO01Aµ

NOegatloVlortnoCNOtuptuO6.1V

FFOegatloVlortnoCFFOtuptuO6.0V

= 10 µF, CN = 0.1 µF, input noise = 100 mVrms, VIN = V

L

OUT(TYP)

+ 1.5 V and I

= 30 mA.

OUT

Page 2 December 1999 TOKO, Inc.

TK716xx SCL ELECTRICAL CHARACTERISTICS TABLE 1

Test Conditions: VIN = V

OUT(TYP)

+ 1 V, I

= 5 mA, TA = 25 °C, unless otherwise specified.

OUT

TK716xx

Output Voltage V

Voltage Code

OUT(MIN)

V

OUT(MAX)

1.3 V 13 1.240 V 1.360 V

1.4 V 14 1.340 V 1.460 V

1.5 V 15 1.440 V 1.560 V

1.6 V 16 1.540 V 1.660 V

1.7 V 17 1.650 V 1.760 V

1.8 V 18 1.740 V 1.860 V

1.9 V 19 1.870 V 1.960 V

2.0 V 20 1.940 V 2.060 V

2.1 V 21 2.040 V 2.160 V

2.2 V 22 2.140 V 2.260 V

2.3 V 23 2.240 V 2.360 V

2.4 V 24 2.340 V 2.460 V

2.5 V 25 2.440 V 2.560 V

2.6 V 26 2.540 V 2.660 V

2.7 V 27 2.640 V 2.760 V

2.8 V 28 2.740 V 2.860 V

2.9 V 29 2.840 V 2.960 V

3.0 V 30 2.940 V 3.060 V

3.1 V 31 3.038 V 3.162 V

3.2 V 32 3.136 V 3.264 V

3.3 V 33 3.234 V 3.366 V

Output Voltage V

Voltage Code

OUT(MIN)

V

OUT(MAX)

3.4 V 34 3.232 V 3.468 V

3.5 V 35 3.430 V 3.570 V

3.6 V 36 3.528 V 3.672 V

3.7 V 37 3.626 V 3.774 V

3.8 V 38 3.724 V 3.876 V

3.9 V 39 3.822 V 3.978 V

4.0 V 40 3.920 V 4.080 V

4.1 V 41 4.018 V 4.182 V

4.2 V 42 4.116 V 4.284 V

4.3 V 43 4.214 V 4.386 V

4.4 V 44 4.312 V 4.488 V

4.5 V 45 4.410 V 4.590 V

4.6 V 46 4.508 V 4.692 V

4.7 V 47 4.606 V 4.794 V

4.8 V 48 4.704 V 4.896 V

4.9 V 49 4.802 V 5.008 V

5.0 V 50 4.900 V 5.100 V

5.1 V 51 4.998 V 5.202 V

5.2 V 52 5.096 V 5.304 V

5.3 V 53 5.194 V 5.406 V

5.4 V 54 5.292 V 5.508 V

TK716xx SCLH ELECTRICAL CHARACTERISTICS TABLE 2

Test Conditions: VIN = V

Output Voltage V

Voltage Code

2.0 V 20 1.960 V 2.040 V

2.1 V 21 2.060 V 2.140 V

2.2 V 22 2.160 V 2.240 V

2.3 V 23 2.260 V 2.340 V

2.4 V 24 2.360 V 2.440 V

2.5 V 25 2.460 V 2.540 V

2.6 V 26 2.560 V 2.640 V

2.7 V 27 2.660 V 2.740 V

2.8 V 28 2.760 V 2.840 V

2.9 V 29 2.860 V 2.940 V

3.0 V 30 2.960 V 3.040 V

3.1 V 31 3.060 V 3.140 V

3.2 V 32 3.160 V 3.240 V

3.3 V 33 3.260 V 3.340 V

3.4 V 34 3.360 V 3.440 V

3.5 V 35 3.460 V 3.540 V

3.6 V 36 3.560 V 3.640 V

3.7 V 37 3.660 V 3.740 V

OUT(TYP)

+ 1 V, I

OUT(MIN)

= 5 mA, TA = 25 °C, unless otherwise specified.

OUT

V

OUT(MAX)

Output Voltage V

Voltage Code

3.8 V 38 3.760 V 3.840 V

3.9 V 39 3.860 V 3.940 V

4.0 V 40 3.960 V 4.040 V

4.1 V 41 4.059 V 4.141 V

4.2 V 42 4.158 V 4.242 V

4.3 V 43 4.247 V 4.343 V

4.4 V 44 4.356 V 4.444 V

4.5 V 45 4.455 V 4.545 V

4.6 V 46 4.554 V 4.646 V

4.7 V 47 4.653 V 4.747 V

4.8 V 48 4.752 V 4.848 V

4.9 V 49 4.851 V 4.949 V

5.0 V 50 4.950 V 5.050 V

5.1 V 51 5.049 V 5.151 V

5.2 V 52 5.148 V 5.252 V

5.3 V 53 5.247 V 5.353 V

5.4 V 54 5.346 V 5.454 V

OUT(MIN)

V

OUT(MAX)

December 1999 TOKO, Inc. Page 3

TK716xx

TK716xx SIL ELECTRICAL CHARACTERISTICS

Test conditions: VIN = V

LOBMYSRETEMARAPSNOITIDNOCTSETNIMPYTXAMSTINU

OUT(TYP)

+ 1 V, TA = 25 °C, unless otherwise specified.

I

Q

I
I
I
I
I

V
∆V

V

V

tnerruCtnecseiuQI

YBTS

VER

DNG

TUO

)ESLUP(TUO

TUO

/∆T

TUO

tnerruCybdnatSV

tnerruCsaiBesreveRV

tnerruCniPDNGI

tnerruCtuptuOsuounitnoC 051Am

tnerruCtuptuOesluP%04=elcyCytuD,eslupsm01002Am

egatloVtuptuOV

erutarepmeTtneiciffeoC02C°/mpp

geReniLnoitalugeReniL

geRdaoLnoitalugeRdaoL

PORD

fer

egatloVtuoporD

TUO

NI

NI

NI

V

NI

V

I
I
I

,V8=FFOtuptuO2.0Aµ
,V0=V

VER

TUO

TUO

TUO

TUO

Am05=10.2Am

V=

V=

)PYT(TUO

)PYT(TUO

V6+

)PYT(TUO

I<Am1

TUO

I<Am1

TUO

Am05=09061Vm

Am001=051042Vm
Am051=002013Vm

egatloVlanimreTssapyBesioN 62.1V

IgnidulcxE,Am0=

TNOC

07001Aµ

FFOtuptuO,V5=107An

,V1+I

TUO

otV1+

Am5=3elbaTeeSV

271Vm

Am05<402Vm

Am001<703Vm

SNOITACIFICEPSLANIMRETLORTNOC

I

TNOC

V
V

Gen Note: Exceeding the “Absolute Maximum Ratings” may damage the device.
Gen Note: Parameters with min. or max. values are 100% tested at TA = 25 °C.
Gen Note: Ripple rejection is @ 60 dB when f = 400 Hz, C
Gen Note: Output noise is 0.13 ~ 0.23 µV/ Hz at 1 kHz when CN = 0.1 µF.

)NO(TNOC

)FFO(TNOC

tnerruClortnoCV

TUO

,V6.1=NOtuptuO01Aµ

NOegatloVlortnoCNOtuptuO8.1V

FFOegatloVlortnoCFFOtuptuO4.0V

= 10 µF, CN = 0.1 µF, input noise = 100 mVrms, VIN = V

L

OUT(TYP)

+ 1.5 V and I

= 30 mA.

OUT

Page 4 December 1999 TOKO, Inc.

TK716xx

TK716xx SIL ELECTRICAL CHARACTERISTICS TABLE 3

Test Conditions: VIN = V

Room Temp. Range (TA = 25 °C) Full Temp. Range (TA = -40 to +85 °C)

Output Voltage V

Voltage Code

2.4 V 24 2.360 V 2.440 V 2.320 V 2.480 V

2.5 V 25 2.460 V 2.540 V 2.420 V 2.580 V

2.6 V 26 2.560 V 2.640 V 2.520 V 2.680 V

2.7 V 27 2.660 V 2.740 V 2.620 V 2.780 V

2.8 V 28 2.760 V 2.840 V 2.720 V 2.880 V

2.9 V 29 2.860 V 2.940 V 2.820 V 2.980 V

3.0 V 30 2.960 V 3.040 V 3.920 V 3.080 V

3.1 V 31 3.060 V 3.140 V 3.020 V 3.180 V

3.2 V 32 3.160 V 3.240 V 3.120 V 3.280 V

3.3 V 33 3.260 V 3.340 V 3.220 V 3.380 V

3.4 V 34 3.360 V 3.440 V 3.320 V 3.480 V

3.5 V 35 3.460 V 3.540 V 3.420 V 3.580 V

3.6 V 36 3.560 V 3.640 V 3.520 V 3.680 V

3.7 V 37 3.660 V 3.740 V 3.620 V 3.780 V

3.8 V 38 3.760 V 3.840 V 3.720 V 3.880 V

3.9 V 39 3.860 V 3.940 V 3.820 V 3.980 V

4.0 V 40 3.960 V 4.040 V 3.920 V 4.090 V

4.1 V 41 4.059 V 4.141 V 4.009 V 4.191 V

4.2 V 42 4.158 V 4.242 V 4.108 V 4.292 V

4.3 V 43 4.257 V 4.343 V 4.197 V 4.893 V

4.4 V 44 4.356 V 4.444 V 4.306 V 4.494 V

4.5 V 45 4.455 V 4.545 V 4.405 V 4.595 V

4.6 V 46 4.554 V 4.646 V 4.504 V 4.496 V

4.7 V 47 4.653 V 4.747 V 4.603 V 4.497 V

4.8 V 48 4.752 V 4.848 V 4.702 V 4.898 V

4.9 V 49 4.851 V 5.049 V 4.801 V 5.099 V

5.0 V 50 4.950 V 5.050 V 4.900 V 5.100 V

OUT(TYP)

+ 1 V, I

= 5 mA, TA = 25 °C, unless otherwise specified.

OUT

OUT(MIN)

V

OUT(MAX)

V

OUT(MIN)

V

OUT(MAX)

December 1999 TOKO, Inc. Page 5

TK716xx

VOLTAGE AVAILABILITY TABLE 4

Output TK716xxSCL TK716xxASCL TK716xxSCLH TK716ASCLH TK716xxSIL TK716xxASIL

Voltage

1.3 V X

1.4 V X

1.5 V X X

1.6 V X

1.7 V X

1.8 V X X

1.9 V X

2.0 V X X X X

2.1 V X X X X

2.2 V X X X X

2.3 V X X

2.4 V X X X X X X

2.5 V X X X X X X

2.6 V X X X

2.7 V X X X X X X

2.8 V X X X X X X

2.9 V X X X X X X

3.0 V X X X X X X

3.1 V X X X X X X

3.2 V X X X X X X

3.3 V X X X X X X

3.4 V X X X

3.5 V X X X X X X

3.6 V X X X X X X

3.7 V X X X

3.8 V X X X X X X

3.9 V X X X

4.0 V X X X

4.1 V X X X X X X

4.2 V X X X X X X

4.3 V X X X

4.4 V X X X

4.5 V X X X X X X

4.6 V X X X

4.7 V X X X X X X

4.8 V X X X X X X

4.9 V X X X X X X

5.0 V X X X X X X

5.1 V X X

5.2 V X X

5.3 V X X

5.4 V X X

Note: X denotes voltage presently available. Consult factory for availability of other voltages.

Page 6 December 1999 TOKO, Inc.