NCP4620
THERMAL CHARACTERISTICS
Rating
Thermal Characteristics, SOT23
Thermal Resistance, Junction−to−Air
Thermal Characteristics, SC−70
Thermal Resistance, Junction−to−Air
Symbol
RqJA
RqJA
Value
238
263
Unit
°C/W
°C/W
ELECTRICAL CHARACTERISTICS −40°C ≤ TA ≤ 85°C; VIN = VOUT(NOM) + 1 V; IOUT = 1 mA, CIN = COUT = 0.47 mF, unless
otherwise noted. Typical values are at TA = +25°C.
Parameter
Test Conditions
Symbol
Min
Typ
Max Unit
Operating Input Voltage
Output Voltage
Output Voltage Temp. Coeffi-
cient
TA = +25°C
VOUT > 1.5 V
VOUT ≤ 1.5 V
−40°C ≤ TA ≤ 85°C
VOUT > 1.5 V
VOUT ≤ 1.5 V
−40°C ≤ TA ≤ 85°C
VIN
VOUT
2.6
10
V
x0.99
−15
x1.01
V
15
mV
x0.974
−40
x1.023
V
35
mV
±80
ppm/°C
Line Regulation
VOUT(NOM) + 0.5 V or 2.6 V (whichever is higher)
≤ VIN ≤ 10 V
LineReg
0.02
0.2
%/V
Load Regulation
IOUT = 0.1 mA to 150 mA
LoadReg
5
40
mV
Dropout Voltage
Output Current
IOUT = 150 mA
1.2 V ≤ VOUT < 1.3 V
1.3 V ≤ VOUT < 1.5 V
1.5 V ≤ VOUT < 1.8 V
1.8 V ≤ VOUT < 2.3 V
2.3 V ≤ VOUT < 3.0 V
3.0 V ≤ VOUT < 4.0 V
4.0 V ≤ VOUT < 6.0 V
VDO
IOUT
1.40
V
1.30
1.10
0.80
0.40 0.58
0.30 0.48
0.25 0.40
150
mA
Short Current Limit
VOUT = 0 V
ISC
40
mA
Quiescent Current
IQ
23
40
mA
Standby Current
VIN = 10 V, VCE = 0 V, TA = 25°C
ISTB
0.1
1.0
mA
CE Pin Threshold Voltage
CE Input Voltage “H”
VCEH
1.7
V
CE Input Voltage “L”
VCEL
0.8
CE Pull Down Current
ICEPD
0.3
mA
Power Supply Rejection Ratio
VIN = VOUT + 1 V or 3.0 V whichever is higher,
PSRR
70
dB
DVIN = 0.2 Vpk−pk, IOUT = 30 mA, f = 1 kHz
Output Noise Voltage
f = 10 Hz to 100 kHz, IOUT = 30 mA, VOUT =
VN
1.5 V, VIN = 2.6 V
90
mVrms
Low Output N−ch Tr. On Resist-
ance
VIN = 7 V, VCE = 0 V
RLOW
250
W
Thermal Shutdown Temperature
Thermal Shutdown Release
TTSD
TTSR
165
°C
110
°C
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