ELECTRICAL CHARACTERISTICS(Cont.)
For 78D15 (VIN=23V, IOUT=0.5A, CI =0.33μF, CO=0.1μF,)
PARAMETER
Output Voltage
SYMBOL
VOUT
TEST CONDITIONS
IOUT=5mA~0.5A
IN =17.5~30V, IOUT=5mA~0.5A
IOUT=5mA~0.5A
OUT=5mA~200mA
MIN
14.4
TYP MAX UNIT
15
15.6
15.75
150
75
V
V
V
14.25
mV
mV
mV
mV
mA
mA
mA
μV
Load Regulation
ΔVOUT
I
VIN=18.5~30V
150
150
8
Line Regulation
ΔVOUT
IQ
VIN=17.5~30V, IOUT=0.5A
IOUT=0.5A
Quiescent Current
VIN=17.5~30V
1
Quiescent Current Change
ΔIQ
IOUT=5mA~0.5A
10Hz≤f≤100kHz
0.5
Output Noise Voltage
Temperature coefficient of VOUT
Ripple Rejection
eN
90
-1.8
70
ΔVOUT/ΔT IOUT=5mA
mV/°C
dB
RR
IPEAK
ISC
VIN=18.5~28.5V, f=120Hz
VIN=35V
54
Peak Output Current
Short-Circuit Current
Dropout Voltage
1.2
250
2
A
mA
V
VD
For 78D18 (VIN=27V, IOUT=0.5A)
PARAMETER
SYMBOL
VOUT
TEST CONDITIONS
MIN
17.28
17.1
TYP MAX UNIT
IOUT=5mA~0.5A
VIN=21~33V,IOUT=5mA~0.5A
IOUT=5mA~0.5A
IOUT=5mA~200mA
VIN=21~33V
18
18.72
18.9
180
90
V
V
Output Voltage
Load Regulation
mV
mV
mV
mV
mA
mA
mA
μV
ΔVOUT
180
180
8
Line Regulation
ΔVOUT
IQ
VIN=21~33V, IOUT =0.5A
IOUT=0.5A
Quiescent Current
VIN=21.5~33V
1
Quiescent Current Change
ΔIQ
I
OUT=5mA~0.5A
0.5
Output Noise Voltage
Temperature coefficient of VOUT
Ripple Rejection
eN
10Hz≤f≤100kHz
110
-2.2
69
ΔVOUT/ΔT IOUT=5mA
mV/°C
dB
RR
IPEAK
ISC
VIN =22~32V,f=120Hz
53
Peak Output Current
Short-Circuit Current
Dropout Voltage
1.2
250
2
A
VIN=35V
mA
V
VD
6
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