NCP4680
THERMAL CHARACTERISTICS
Rating
Thermal Characteristics, XDFN 0.8 x 0.8 mm
Thermal Resistance, Junction−to−Air
Thermal Characteristics, SOT23
Thermal Resistance, Junction−to−Air
Thermal Characteristics, SC−70
Thermal Resistance, Junction−to−Air
Symbol
RqJA
RqJA
RqJA
Value
350
238
263
Unit
°C/W
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
−40°C ≤ TA ≤ 85°C; VIN = VOUT(NOM) + 1 V or 2.5 V, whichever is greater; IOUT = 1 mA, CIN = COUT = 0.1 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. Coefficient
Line Regulation
Load Regulation
Dropout Voltage
Output Current
Short Current Limit
Quiescent Current
Standby Current
CE Pin Threshold Voltage
CE Pull Down Current
Power Supply Rejection Ratio
Output Noise Voltage
VIN
TA = +25 °C
VOUT ≥ 1.8 V
VOUT
VOUT < 1.8 V
−40°C ≤ TA ≤ 85°C
VOUT ≥ 1.8 V
VOUT < 1.8 V
−40°C ≤ TA ≤ 85°C
VOUT ≥ 1.8 V
DVOUT/DTA
VOUT < 1.8 V
VOUT(NOM) + 0.5 V ≤ VIN ≤ 5.25 V, VIN ≥ 1.4 V LineReg
IOUT = 1 mA to 150 mA
LoadReg
IOUT = 150 mA
VOUT = 0.8 V
VDO
VOUT = 0.9 V
1.0 V ≤ VOUT < 1.2 V
1.2 V ≤ VOUT < 1.4 V
1.4 V ≤ VOUT < 1.8 V
1.8 V ≤ VOUT < 2.1 V
2.1 V ≤ VOUT < 2.5 V
2.5 V ≤ VOUT < 3.0 V
3.0 V ≤ VOUT < 3.6 V
IOUT
VOUT = 0 V
ISC
IQ
VCE = 0 V, TA = 25°C
ISTB
CE Input Voltage “H”
VCEH
CE Input Voltage “L”
VCEL
ICEPD
VIN = VOUT + 1 V, DVIN = 0.2 Vpk−pk,
IOUT = 30 mA, f = 1 kHz
PSRR
f = 10 Hz to 100 kHz,
VOUT ≥ 1.8 V
VN
IOUT = 30 mA
VOUT < 1.8 V
1.40
x0.99
−18
x0.985
−50
150
1.0
Low Output N−channel Tr. On Res-
istance
VIN = 4 V, VCE = 0 V
RLOW
±30
±100
0.02
5
0.70
0.62
0.56
0.47
0.39
0.33
0.28
0.25
0.23
40
50
0.1
0.3
75
20 x
VOUT
40 x
VOUT
60
5.25
x1.01
18
x1.015
50
V
V
mV
V
mV
ppm/°C
0.10
%/V
30
mV
1.00
V
0.91
0.82
0.67
0.54
0.48
0.40
0.35
0.32
mA
mA
70
mA
1.0
mA
V
0.4
mA
dB
mVrms
W
Minimum Start−up Equivalent Res-
VOUT ≤ 1.8 V (Note 3)
RSUMIN
13 *
W
istance
VOUT
VOUT > 1.8 V
6.7 *
VOUT
3. See Current Limit paragraph in application part for explanation.
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