CJ7912
CJ7912 is Three-terminal positive voltage regulator manufactured by Jiangsu Changjiang Electronics Technology.
FEATURES
Maximum Output current IOM: 1.5 A Output voltage Vo:
- 12 V Continuous total dissipation 1.25 W (TJ = 25 ℃ ) PD:
2. GND 3. OUT 1
ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified) Parameter Input Voltage Thermal resistance junction-air Thermal resistance junction-cases Operating Junction Temperature Range Storage Temperature Range Symbol Vi RθJA RθJC TOPR TSTG Value -35 65 5 0-150 -65-150 Unit V ℃/W ℃/W ℃ ℃
ELECTRICAL CHARACTERISTICS(Vi=-19V,Io=500m A,0℃<TJ<125℃,Ci=0.33µF,Co=0.1µF, unless otherwise specified ) Parameter Output voltage Symbol Vo Test conditions TJ=25℃ -14.5V≤V i≤-27V, Io=5m A-1A P≤15W TJ=25℃, Io=5m A-1.5A TJ=25℃, Io=250m A-750m A -14.5V≤V i≤-30V, TJ=25℃ -16V≤V i≤-22V, TJ=25℃ TJ=25℃ -14.5V≤V i≤-30V 5m A≤I O≤1A 10Hz≤f≤100KHz IO=5m A -15V≤V i≤-25V,f=120Hz, TJ=25℃ TJ=25℃, Io=1A TJ=25℃ 2 CJ7912 UTC Ci 2.2µF 1 Co 1µF 3 Vo 54 MIN -11.5 -11.4 TYP -12 -12 15 5 5 3 2 MAX -12.5 -12.6 200 75 80 30 3 0.5 0.5 300 -0.8 60 1.1 2.1 UNIT V V m V m V m V m V m A m A m A µV m V/℃ d B V A
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Output voltage drift Ripple Rejection Dropout Voltage Peak Current Vi
∆Vo ∆Vo Iq ∆Iq ∆Iq VN
△Vo/△T
RR Vd Ipk
TYPICAL...
