LM7912J_17 TGS | Alldatasheet
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Peak Current IPK -2.2 A Operating Temperature Range TOPR 0~125 oC Storage Temperature Rang e TSTG -65~150 oC LM7912J GENERAL DESCRIPTION The LM7912J series of three-terminal negative regulators are available in TO-252 package and with several fixed output voltages, making them useful in a wide range of applications. Each type employs internal current limiting, thermal shutdown and safe operating area protection, making it essentially indestructible. Product specification ABSOLUTE MAXIMUM RATINGS (Refer to test circuit, Io = 500mA, Vi = -18V, Ci= 2.2uF, Co=1.0uF unless otherwise specified) ( Ta = 25 C) O ELECTRICAL CHARACTERISTICS( Ta = 25 C) O Parameter Symbol Test Conditions Min Typ Max Unit Output Voltage VO Line Regulation △Vo mV Load Regulation △Vo mV Tj = 25℃ IO = 250mA ~ 750mA — — -120 Quiescent Current IQ TJ =+25 oC — — -8 mA Quiescent Current Change △IQ Io = 5.0ｍA ~ 1.0A -0.5 mA Output voltage drift △Vo/△T Io = 5.0ｍA -0.8 mV/℃ Ripple Rejection RR f = 120Hz, VO = -15V to -22V 54 60 — dB Dropout Voltage VDrop IO = 1.0A, TJ =+25 oC — -2 — V Output Resistance RO f = 1KHz — 0.015 — Short Circuit Current ISC VI = -35V, TA =+25 oC — -300 — mA Peak Current IPK TJ =+25 oC — — -2.2 A 3-Terminal 1A Negative Voltage Regulator TO-252 1: GND 2: IN 3: OUT TIGER ELECTRONIC CO.,LTD