78M05 Three-terminal positive voltage regulator
FEATURES
Maximum output current
IOM: 0.5 A
Output voltage
VO: 5V
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JUNCTION TEMPERATURE (Vi=10V,Io=350mA, Ci=0.33μF,Co=0.1μF,unless otherwise specified)
Parameter Symbol Test conditions Min Typ Max Unit
25℃ 4.8 5 5.2 V
Output Voltage Vo
7V≤V i≤20V, Io=5mA-350mA -25~125℃ 4.75 5 5.25 V
Io=5mA-0.5A 25℃ 15 100 mV
Load Regulation ΔVo
Io=5mA-200mA 25℃ 5 50 mV
7V≤V i≤25V, Io=200mA 25℃ 3 100 mV
Line Regulation ΔVo
8V≤V i≤25V, Io=200mA 25℃ 1 50 mV
Quiescent Current Iq 25℃ 4.2 6 mA
ΔIq 8V≤V i≤25V, Io=200mA 0.8 mA
Quiescent Current Change
ΔIq 5mA≤IO≤350mA 0.5 mA
Output Noise Voltage VN 10Hz≤ f ≤100KHz 25℃ 40 200
Ripple Rejection RR 8V≤Vi≤18V,f=120Hz,Io=300mA 62 80 dB
Dropout Voltage Vd Io=350mA 25℃ 2 2.5 V
Short Circuit Current Isc Vi=10V 25℃ 300 mA
Peak Current Ipk 25℃ 0.5 A
TYPICAL APPLICATION
TO-252-2L
1.IN
2.GND
3.OUT
Parameter Symbol Value Unit
Input Voltage Vi 35 V
Thermal Resistance from Junction to Ambient RθJA 80 ℃/W
Operating Junction Temperature Range TOPR -40~+125 ℃
Storage Temperature Range TSTG -65~+150 ℃
z
z
Continuous total dissipation
PD: 1.25 W
z
-25~125℃
-25~125℃
-25~125℃
* Pulse test.
μV/Vo
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
2 Co
0.1μF
Vi 1 3 Vo
Ci
0.33μF
CJ78M05
(T a= 25 ℃ )
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