TO-220 Plastic-Encapsulate Voltage Regulator
= L7809
Three-terminal positive voltage regulator
TO-220
1. IN
2. GND
3. OUT
FEATURES
Maximum Output current IOM: 1.5 A Output voltage Vo: 9 V
Continuous total dissipation
PD:1.5 W (Ta = 25 ℃ )
15 W (TC = 25 ℃ )
Parameter
Input Voltage
Thermal resistance junction-air Thermal resistance junction-cases Operating Junction Temperature Range Storage Temperature Range Parameter Output voltage
Symbol
Vo
11.5V≤V i≤24V, Io= 5mA-1A,
P≤15W Io=5mA-1.5A Io=250mA-750mA 11.5V≤V i≤27V 13V≤V i≤19V
11.5V≤V i≤27V 5mA≤IO≤1A
Symbol Vi
1 2 3
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Value 35
Unit V
RθJA 65 ℃/W
RθJC 5 ℃/W
TOPR 0-125 ℃ TSTG -65-150 ℃ Test conditions
25℃ 0-125℃25℃ 25℃ 25℃ 25℃ 25℃ 0-125℃0-125℃0-125℃25℃ 0-125℃25℃ 25℃ 25℃ 25℃
MIN
TYP
MAX
UNIT
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=16V, Io=500mA,Ci=0.33μF,Co=0.1μF, unless otherwise specified)
8.65 9 9.35 V 8.55 9 9.45 V 12 180 mV 4 90 mV 7 180 mV 2 90 mV 4.3 8 mA 1 mA 0.5 mA -1 mV/℃
60
uV dB Load Regulation Line regulation Quiescent Current Quiescent Current Change Output voltage drift Output Noise Voltage Ripple Rejection Dropout Voltage Output resistance Short Circuit Current Peak Current
∆Vo ∆Vo Iq ∆Iq
△Vo/△T IO=5mA VN 10Hz≤f≤100KHz RR Vd Isc Ipk
12V≤V i≤22V,f=120Hz Io=1A
55 70 2 V 18 mΩ 400 mA 2.2 A RO f1KHZ
TYPICAL APPLICATION Vi 1 3 Vo L7809 UTC Ci 2 Co 0.33μF 0.1μF
