NCP4623
www.onsemi.com
4
ELECTRICAL CHARACTERISTICS NCP4623Hxxxx, C
IN
= C
OUT
= 0.1 mF, T
A
= +25°C
Parameter UnitMaxTypMinSymbolTest Conditions
Short Current Limit V
OUT
= 0 V I
SC
45 mA
Quiescent Current V
IN
= V
OUT(NOM)
+ 2.0 V, V
CE
= V
IN
I
Q
5 10
mA
Standby Current V
IN
= 24 V, V
CE
= 0 V I
STB
0.1 1.0
mA
CE Pin Threshold Voltage
CE Input Voltage “H” V
CEH
2.1 V
IN
V
CE Input Voltage “L” V
CEL
0 0.3
Power Supply Rejection Ratio
V
OUT
= 3.3V V, V
IN
= 5.3 V, DV
IN
= 0.2 V
pk−pk
,
I
OUT
= 30 mA, f = 1 kHz
PSRR 35 dB
Output Noise Voltage f = 10 Hz to 100 kHz, V
OUT
= 3.3 V, V
IN
= 5.3 V,
I
OUT
= 30 mA
V
N
90
mV
rms
Thermal Shutdown Temperature T
SD
150 °C
Thermal Shutdown Release
Temperature
T
SR
125 °C
ELECTRICAL CHARACTERISTICS NCP4623HxxxADJ, V
ADJ
= V
OUT
, C
IN
= C
OUT
= 0.1 mF, T
A
= +25°C
Parameter
Test Conditions Symbol Min Typ Max Unit
Operating Input Voltage V
IN
2 24 V
Output Voltage V
IN
= V
OUT(NOM)
+ 2.0 V, I
OUT
= 20 mA V
OUT
2.45 2.50 2.55 V
Output Voltage Temp. Coeffi-
cient
V
IN
= V
OUT(NOM)
+ 2.0 V, I
OUT
= 20 mA,
−40°C ≤ T
A
≤ 105ºC
DV
OUT
/DT
A
±100 ppm/°C
Line Regulation V
OUT(NOM)
+ 1 V ≤ V
IN
≤ 24 V, I
OUT
= 20 mA Line
Reg
0.05 0.20 %/V
Load Regulation V
IN
= V
OUT(NOM)
+ 2.0 V, IOUT = 1 mA to 40 mA Load
Reg
20 50 mV
Dropout Voltage I
OUT
= 20 mA V
DO
0.20 0.40 V
Output Current V
IN
= V
OUT(NOM)
+ 2.0 V I
OUT
140 mA
Short Current Limit V
OUT
= 0 V I
SC
45 mA
3 Quiescent Current V
IN
= V
OUT(NOM)
+ 2.0 V, V
CE
= V
IN
I
Q
5 10
mA
Standby Current V
IN
= 24 V, V
CE
= 0 V I
STB
0.1 1.0
mA
CE Pin Threshold Voltage
CE Input Voltage “H” V
CEH
2.1 V
IN
V
CE Input Voltage “L” V
CEL
0 0.3
Power Supply Rejection Ratio
V
IN
= 4.5 V, V
OUT
= 2.5 V, DV
IN
= 0.2 V
pk−pk
,
I
OUT
= 30 mA, f = 1 kHz
PSRR 40 dB
Output Noise Voltage f = 10 Hz to 100 kHz, V
OUT
= 2.5 V, V
IN
= 4.5 V,
I
OUT
= 30 mA
V
N
80
mV
rms
Thermal Shutdown Temperature T
SD
150 °C
Thermal Shutdown Release
Temperature
T
SR
125 °C
