NCP4681(2011) 데이터 시트보기 (PDF) - ON Semiconductor
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NCP4681 Datasheet PDF : 18 Pages
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NCP4681, NCP4684
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
(NCP4681 only)
CE Pull Down Current
Power Supply Rejection Ratio
(Note 3)
TA = +25°C
VOUT ≥ 2.0 V
−40°C ≤ TA ≤ 85°C
VOUT < 2.0 V
VOUT ≥ 2.0 V
VOUT < 2.0 V
−40°C ≤ TA ≤ 85°C
VOUT(NOM) + 0.5 V ≤ VIN ≤ 5.0 V
IOUT = 1 mA to 150 mA
IOUT = 150 mA
0.8 V ≤ VOUT < 0.9 V
0.9 V ≤ VOUT < 1.0 V
1.0 V ≤ VOUT < 1.2 V
1.2 V ≤ VOUT < 1.4 V
1.4 V ≤ VOUT < 1.7 V
1.7 V ≤ VOUT < 2.0 V
2.0 V ≤ VOUT < 2.5 V
2.5 V ≤ VOUT < 3.0 V
3.0 V ≤ VOUT < 3.6 V
VOUT = 0 V
VCE = 0 V, TA = 25°C, NCP4681 only
CE Input Voltage “H”
CE Input Voltage “L”
NCP4681 only
VOUT = 1.5 V, VIN = 2.5 V, DVIN = 0.2 Vpk−pk,
IOUT = 30 mA, f = 1 kHz
VIN
VOUT
1.40
x0.99
−20
x0.970
−60
DVOUT/DTA
LineReg
LoadReg −20
VDO
IOUT
150
ISC
IQ
ISTB
VCEH
1.0
VCEL
ICEPD
PSRR
±100
0.02
0
0.96
0.87
0.78
0.64
0.52
0.40
0.32
0.28
0.25
50
1
0.1
0.3
25
5.25
V
x1.01 V
20
mV
x1.025 V
60
mV
ppm/°C
0.10 %/V
20
mV
1.40
V
1.25
1.15
1.00
0.80
0.60
0.48
0.40
0.35
mA
mA
2
mA
1.0
mA
V
0.4
mA
dB
Output Noise Voltage
f = 10 Hz to 100 kHz, VOUT = 1.5 V, VIN = 2.5 V,
VN
IOUT = 30 mA
100
mVrms
Low Output Nch Tr. On Resistance
VIN = 4 V, VCE = 0 V, NCP4681D only
RLOW
60
W
3. The maximum Input Voltage of the Electrical Characteristics is 5.25 V. In case of exceeding this specification, the IC must be operated n
condition that the Input Voltage is up to 5.50 V and total operation time is within 500 hours.
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