BL317B BELLING | Alldatasheet
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Technical content
HIGH CURRENT ADJUSTABLE VOLTAGE REGULATOR BL317B
DESCRIPTION
The,BL317B,is,an,adjustable,3Nterminal,positive, , voltage ,regulator, designed,to,supply,more,than, 1.5A,of,output,current,with,voltage,adjustable, , from1.3V,~,37V., , ,
FEATURES
/circle6 Output,current,up,to,1.5A, /circle6 Output,voltage,adjustable,from,1.3V,to,37V, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , /circle6 Internal,short,circuit,protection, /circle6 Internal,over,temperature,protection, /circle6 SafeNArea,compensation,for,output,transistor,
APPLICATIONS
/circle6 PC,Motherboard, /circle6 LCD,Monitor, /circle6 Graphic,Card, /circle6 DVD,Player, /circle6 Network,Interface,Card/Switch, /circle6 Telecom,Equipment, /circle6 Printer,and,other,Peripheral,Equipment , TO-220 TO-252 TO-263 TO-220F SOT-223 1:ADJ;,2:,OUTPUT;,3:,INPUT,
Page2, BL317 B
ORDERING INFORMATION
Device Package SS SS hipping hipping hipping hipping BL317BT, TON220, Tube BL317BF, TON220F Tube BL317BYNB , TON252, 2500pcs/Reel BL317BYNT , TON252, 80pcs/Tube BL317BK, TON263N2L, Reel BL317BS, SOTN223, Reel BLOCK DIAGRAM ABSOLUTE MAXIMUM RATINGS (Ta=25 °C),*, Characteristic, Symbol, Min., Max., Unit, Input,N,Output,Voltage,Difference, VinNVout , , 40, V, Power,Dissipation, Pd, Internal,limited, Operating,Temperature,Range, TOPR, 0, 125, °C, , Storage,temperature, T S , N65, 150, °C, Lead,temperature,(soldering,,10sec), T L E A D , , 260, °C, *:,Absolute,maximum,ratings,are,stress,ratings,only ,and,functional,device,operation,is, not,implied.,The,device,could,be,damaged,beyond,Abs olute,maximum,ratings.,
Page3, BL317 B
ELECTRICAL CHARACTERISTICS
（ VINVO=5V,0 °C,<Tj<125 °C,IO=500mA,IMAX=1.5A,PMAX=20W,,,unless,otherwise, specified ） , , , , Parameter, Symbol, , , , Test,conditions, , , Min , , Typ, , Max , , Unit , Line, Regulation, Δ VO, Ta=25 °C,3V ≤ VINVO ≤ 40V, , 0.01 , 0.04 , %/V , Load, Regulation, Δ VO, 10mA ≤ IO ≤ IM AX, , , 10mA ≤ IO ≤ IM AX, Adjustable,Pin, current, IADJ, , , 46, 100 , µ A, Adjustable,Pin, Current,Change , Δ IADJ, 2.5V ≤ VINVO ≤ 40V,, 10mA ≤ Io ≤ IMAX,PD ≤ PMAX , , 2.0, 5, µ A, Reference, Voltage, VREF, 3V ≤ VINVO ≤ 40V,, 10mA ≤ IO ≤ IMAX,PD ≤ PMAX , 1.20 , 1.25 , 1.30 , Temperature, Stability, Minimum,Load, Current,for, regulation, IL(MIN) , VINVO=40V, , 3.5, 10, mA , Maximum, output,Current , IO(MAX) , VINVO ≤ 15V,PD ≤ PMAX, 1.5, 2.2, , A, , , VINVO ≤ 40V,PD ≤ PMAX,, Ta=25 °C, 0.15 , 0.4, , , RMS,Noise,v.s. , %of,Vout, Ripple, Rejection, RR, VO=10V,f=120HZ,CADJ=0, , 60, , dB, , , VO=10V,f=120HZ,CADJ=10 µ 66, 75, , , LongNterm, Stability,, TJ=THIGH, Note:,Testing,with,low,duty,pulse,should,be,used,to ,avoid,heating,effect.,
Page4, BL317 B THERMAL DATA Parameter, Symbol, RATING, UNITS, TON252, 112, TON220, 54, TON220F, 44, TON263, 64, JunctionNtoNAmbient , SOTN223, θJA, 165, /W℃ , TON252, 12, TON220, 5, TON220F, 5, TON263, 5, JunctionNtoNCase, SOTN223, θJC, 23, /W℃ , APPLICATION CIRCUIT
Page5, BL317 B CHARACTERISTICS CURVES 0 25 50 75 100 125 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 Temperature Output Voltage Deviation Fig.1. Load Regulation vs temperature Vi=15V Vo=10V -50 -25 0 25 50 75 100 125 Fig.2 Adjustment Current vs TemperatureAdjustment Current Temperature 0 25 50 75 100 125 1.0 1.5 2.0 2.5 3.0 Fig.3. Dropout Voltage vs Input- Output Voltage Difference Temperature Input-Output Voltage Difference Vo=100mV△ IL=1A IL=500mA IL=200mA IL=20mA IL=1.5A -50 -25 0 25 50 75 100 125 1.235 1.240 1.245 1.250 1.255 1.260 Fig.4 Reference Voltage vs Temperature Reference Voltage Temperature
Page6, BL317 B Taping reel dimension ：： ：： Taping dimension ：： ：：
Page7, BL317 B PACKAGE DIMENSIONS TO-220 Unit: mm ,TO-252 Unit: mm
Page8, BL317 B TO-263 Unit: mm
Page9, BL317 B TO-220F Unit: mm
Page10 , BL317 B SOT-223 Unit: mm 0～10 ° 6.50 ±0.20 3.00 ±0.10 2.30 4.60 ±0.10 0.25 0.30 ±0.05 0.71 ±0.01