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TK71743SCL PDF预览

TK71743SCL

更新时间: 2024-11-18 22:53:03
品牌 Logo 应用领域
TOKO 稳压器
页数 文件大小 规格书
13页 153K
描述
LOW DROPOUT VOLTAGE REGULATOR

TK71743SCL 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:LSSOP,Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.78最大回动电压 1:0.3 V
最大输入电压:10.3 V最小输入电压:5.3 V
JESD-30 代码:R-PDSO-G5长度:2.9 mm
功能数量:1端子数量:5
工作温度TJ-Max:150 °C工作温度TJ-Min:
最大输出电流 1:0.28 A最大输出电压 1:4.365 V
最小输出电压 1:4.235 V标称输出电压 1:4.3 V
封装主体材料:PLASTIC/EPOXY封装代码:LSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:1.3 mm
表面贴装:YES技术:BIPOLAR
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:1.6 mmBase Number Matches:1

TK71743SCL 数据手册

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TK717xxS  
LOW DROPOUT VOLTAGE REGULATOR  
APPLICATIONS  
FEATURES  
n BatteryPoweredSystems  
n Very Good Stability (CL = 0.22 mF is Stable For  
Any Type Capacitor withVOUT ³ 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 (VDROP = 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 (IQ = 72 uA at IOUT = 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  
V
IN  
V
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  
noiselevelto30~50mVRMS.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  
V
OUT  
V
IN  
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  

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