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TFTL431

Tuofeng Semiconductor
Part Number TFTL431
Manufacturer Tuofeng Semiconductor
Description PROGRAMMABLE PRECISION REFERENCES
Published Aug 29, 2016
Detailed Description Shenzhen Tuofeng Semiconductor Technology Co., Ltd TFTL431 PROGRAMMABLE PRECISION REFERENCES The TL431 is three-termina...
Datasheet PDF File TFTL431 PDF File

TFTL431
TFTL431


Overview
Shenzhen Tuofeng Semiconductor Technology Co.
, Ltd TFTL431 PROGRAMMABLE PRECISION REFERENCES The TL431 is three-terminal adjustable shunt regulator with specified termal stability.
The output voltage may be set to any value between V REF(Approx.
2.
5V) and 36V with two external resistors.
This device has a typical output inpedance of 0.
2Ω.
Active output circuitry provides a very sharp turn-on characteristic, making this device excellent replacement for zener diodes in many application.
TO-92 (TOP VIEW) 3.
2.
1.
SOT-23 2.
SOT-89 FEATURES 1.
3.
1.
2.
3.
1.
REF 2.
ANODE 3.
CATHODE ● Equivalent Full Range Temperature Coefficient 50PPM/℃ ● Temperature Compensated For Operation Over Full Rate Operating Temperature Range ● Adjustable Output Voltage ● Fast Turn-on Response ● Sink Current Capability 1㎃ to 100㎃ ● Low (0.
2Ω Typ.
) Dynamic Output Impedance ● Low Output Noise FUNCTION BLOCK DIAGRAM BLOCK DIAGRAM REFERENCE 2.
495VREF ANODE CATHODE CATHODE(K) REFERENCE(R) ANODE(A) Oct.
2003 - Rev 03 1 Shenzhen Tuofeng Semiconductor Technology Co.
, Ltd TF TL431 ABSOLUTE MAXIMUM RATINGS (Full Operating Ambient Temperature Range Applies Unless Otherwise Noted) CHARACTERISTIC Cathode Voltage Continuous Cathode Current Range Reference Input Current Range Junction Temperature Operating Temperature Storage Temperature Total Power Dissipation SYMBOL VKA IKA IREF TJ TOPR TSTG PD RATING 37 -100~+150 0.
05~10 150 -20 ~ 85 -65 ~ 150 700 UNIT V ㎃ ㎃ ℃ ℃ ℃ ㎽ TL431-0.
3% ELECTRICAL CHARACTERISTIC (TA=25℃, unless otherwise specified) CHARACTERISTIC Reference Input Voltage Deviation of Reference Input Voltage Over Full Temperature Range Ratio of Change in Reference Input Voltage to the Change in Cathod Voltage Reference Input Current Deviation of Reference Input Current Over Full Temperature Range Minimum Cathode Current for Regulation Off-State Cathode Current Dynamic Impedance SYMBOL CIR-CUIT TEST CONDITION VREF 1 ΔVREF/ΔT 1 VKA=VREF, IK=10㎃ VKA=VREF, IK=10㎃ TA=Full...



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