TK71724SCL datasheet, PDF - EEWORLD Datasheet

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TK71724SCL: Description3.3 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO5; CategoryPower/power management The power supply circuit; File Size151KB，13 Pages; ManufacturerTOKO, INC.; Websitehttps://www.murata.com/

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TK71724SCL Overview

3.3 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO5

TK71724SCL Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	TOKO, INC.
package instruction	LSSOP,
Reach Compliance Code	unknown
ECCN code	EAR99
Maximum drop-back voltage 1	0.3 V
Maximum input voltage	8.4 V
Minimum input voltage	3.4 V
JESD-30 code	R-PDSO-G5
length	2.9 mm
Number of functions	1
Number of terminals	5
Working temperatureTJ-Max	150 °C
Working temperature TJ-Min
Maximum output current 1	0.28 A
Maximum output voltage 1	2.45 V
Minimum output voltage 1	2.35 V
Nominal output voltage 1	2.4 V
Package body material	PLASTIC/EPOXY
encapsulated code	LSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	1.3 mm
surface mount	YES
technology	BIPOLAR
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	1.6 mm

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TK717xxS

LOW DROPOUT VOLTAGE REGULATOR

FEATURES

Very Good Stability (CL = 0.22

is Stable For

Any Type Capacitor withV

OUT

1.8 V)

Built-in Shunt Circuit of Output to GND. The Stored

Energy of the Output Capacitor is Discharged

Quickly

Wide Operating Voltage Range (1.8 V ~ 14 V)

Very Low Dropout Voltage (V

DROP

= 103 mV at

100 mA)

Peak Output Current is 370 mA (0.3 V DROP Point)

Very Low Quiescent Current (I

= 72 uA at I

OUT

= 0 mA)

Good Ripple Rejection Ratio (80 dB at 1 kHz)

High Precision Output Voltage (± 1.5 % or ± 50 mV)

Suitable for Very Low Noise Applications

Built-in Active High On/Off Control (0.1

Max

Standby Current)

Built-in Short Circuit Protection

Built-in Thermal Shutdown

Very Small Surface Mount Package (SOT23-5)

APPLICATIONS

Battery Powered Systems

Measurement Systems

Mobile Communications Systems

Cordless Phone, PHS, GSM, CDMA

Industrial Equipment

Personal Computers, Barcode Readers

low quiescent current of 72

at no load and 0.8 mA with

a 50 mA load. The standby current is typically 100 pA. The

circuit features very good stability. The ripple rejection is 90

dB at 400 Hz and 80 dB at 1 kHz. Stable operation is

achieved with an output capacitor as low as 0.22

mF;

capacitor of any type may be used. (However, the larger the

output capacitor is, the better the overall characteristics will

be.)

The TK717xxS is available in a very small SOT23-5 surface

mount package.

TK717xxS

VIN

GND

VOUT

DESCRIPTION

TK717xxS is a low dropout linear regulator with a built-in

electronic switch. The internal switch can be controlled by

TTL or CMOS logic levels. The device is in the ON state

when the control pin is pulled to a logic high level. In the OFF

state, the output impedance becomes very low, quickly

discharging the output capacitor. An external capacitor can

be connected to the noise bypass pin to lower the output

noise level to 30 ~ 50

RMS

. An internal PNP pass transistor

is included to achieve a low dropout voltage of 103 mV at

100 mA load current. The TK717xx has an exceptionally

01 S

CONTROL

NOISE

BYPASS

ORDERING INFORMATION

BLOCK DIAGRAM

TK717

Voltage Code

Package Code

S L

VIN

VOUT

CONTROL CIRCUIT

CONTROL

CONSTANT

CURRENT

SOURCE

Tape/Reel Code

Operating Temp. Range

VOLTAGE CODE

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 =

43 =

44 =

45 =

46 =

47 =

48 =

49 =

50 =

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

TAPE/REEL CODE

L: Tape Left

OPERATING TEMP. RANGE

C: -30 ~ 80°C

PACKAGE CODE

S: SOT23-5

BANDGAP

REFERENCE

THERMAL &

OVER CURRENT

PROTECTION

AUTO

DISCHARGE

CIRCUIT

GND

NOISE

BYPASS

October 2001 TOKO, Inc.

Page 1

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