TK71749SIL-G

更新时间： 2024-11-23 13:14:43

品牌	Logo	应用领域
TOKO		稳压器
页数	文件大小	规格书
13页	153K
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中文翻译

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数据手册

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TK71749SIL-G 数据手册

TK717xxS

LOW DROPOUT VOLTAGE REGULATOR

APPLICATIONS

FEATURES

n BatteryPoweredSystems

n Very Good Stability (CL = 0.22 mF is Stable For

Any Type Capacitor withV_OUT³ 1.8 V)

n MeasurementSystems

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

n MobileCommunicationsSystems

n Cordless Phone, PHS, GSM, CDMA

n IndustrialEquipment

Energy of the Output Capacitor is Discharged

Quickly

n Wide Operating Voltage Range (1.8 V ~ 14 V)

n PersonalComputers,BarcodeReaders

n Very Low Dropout Voltage (V_DROP= 103 mV at

low quiescent current of 72 mA at no load and 0.8 mA with

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

circuitfeaturesverygoodstability.Theripplerejectionis90

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

achieved with an output capacitor as low as 0.22 mF; a

capacitorofanytypemaybeused.(However,thelargerthe

outputcapacitoris,thebettertheoverallcharacteristicswill

be.)

100mA)

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

n Very Low Quiescent Current (I_Q= 72 uA at I_OUT= 0 mA)

n Good Ripple Rejection Ratio (80 dB at 1 kHz)

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

n Suitable for Very Low Noise Applications

n Built-in Active High On/Off Control (0.1 mA Max

StandbyCurrent)

TheTK717xxSisavailableinaverysmallSOT23-5surface

mountpackage.

n Built-in Short Circuit Protection

n Built-in Thermal Shutdown

n Very Small Surface Mount Package (SOT23-5)

TK717xxS

DESCRIPTION

OUT

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

whenthecontrolpinispulledtoalogichighlevel.IntheOFF

state, the output impedance becomes very low, quickly

dischargingtheoutputcapacitor.Anexternalcapacitorcan

be connected to the noise bypass pin to lower the output

noiselevelto30~50mV_RMS.AninternalPNPpasstransistor

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

100 mA load current. The TK717xx has an exceptionally

GND

CONTROL

NOISE

BYPASS

BLOCKDIAGRAM

ORDERING INFORMATION

TK717

S L

OUT

CONTROL CIRCUIT

Voltage Code

Package Code

Tape/Reel Code

CONTROL

CONSTANT

CURRENT

SOURCE

Operating Temp. Range

THERMAL &

OVER CURRENT

PROTECTION

BANDGAP

REFERENCE

VOLTAGE CODE

TAPE/REEL CODE

L: Tape Left

15 = 1.5 V 24 = 2.4 V 33 = 3.3 V 42 = 4.2 V

16 = 1.6 V 25 = 2.5 V 34 = 3.4 V 43 = 4.3 V

17 = 1.7 V 26 = 2.6 V 35 = 3.5 V 44 = 4.4 V

18 = 1.8 V 27 = 2.7 V 36 = 3.6 V 45 = 4.5 V

19 = 1.9 V 28 = 2.8 V 37 = 3.7 V 46 = 4.6 V

20 = 2.0 V 29 = 2.9 V 38 = 3.8 V 47 = 4.7 V

21 = 2.1 V 30 = 3.0 V 39 = 3.9 V 48 = 4.8 V

22 = 2.2 V 31 = 3.1 V 40 = 4.0 V 49 = 4.9 V

23 = 2.3 V 32 = 3.2 V 41 = 4.1 V 50 = 5.0 V

AUTO

DISCHARGE

CIRCUIT

OPERATING TEMP. RANGE

C: -30 ~ 80°C

NOISE

BYPASS

GND

PACKAGE CODE

S: SOT23-5

October 2001 TOKO, Inc.

Page1

12 3 4 5 6 7...13

中文翻译

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与TK71749SIL-G相关器件

型号	品牌	获取价格	描述	数据表
TK71750	TOKO	获取价格	LOW DROPOUT VOLTAGE REGULATOR
TK71750S	TOKO	获取价格	LOW DROPOUT VOLTAGE REGULATOR
TK71750SCL	TOKO	获取价格	LOW DROPOUT VOLTAGE REGULATOR
TK71750SCL	AKM	获取价格	Regulator
TK71750SCL/50	TOKO	获取价格	LOW DROPOUT VOLTAGE REGULATOR
TK71750SCL-G	TOKO	获取价格	Regulator, 1 Output, BIPolar, PDSO5
TK71750SIL	AKM	获取价格	Regulator
TK71750SIL-G	AKM	获取价格	Regulator, 1 Output, BIPolar, PDSO5,
TK71750SILN	TOKO	获取价格	Fixed Positive LDO Regulator, 5V, 0.35V Dropout, BIPolar, PDSO5, SOT-23, 5 PIN
TK717XX	AKM	获取价格	LDO, IO=200mA, Bipolar, Auto Discharge

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