NCV47711(2012) 查看數據表（PDF） - ON Semiconductor
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NCV47711
(Rev.:2012)
(Rev.:2012)
ON Semiconductor
NCV47711 Datasheet PDF : 11 Pages
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NCV47711
ELECTRICAL CHARACTERISTICS Vin = 13.5 V, VEN = 3.3 V, RCSO = 0 W, CCSO = 1 mF, Cin = 1 mF, Cout = 22 mF, ESR = 1.5 W, Min
and Max values are valid for temperature range −40°C ≤ TJ ≤ 150°C unless otherwise noted and are guaranteed by test design or
statistical correlation. Typical values are referenced to TJ = 25°C.
Parameter
Test Conditions
Symbol Min
Typ
Max Unit
REGULATOR OUTPUT
Output Voltage (Accuracy %)
Vin = (Vout_nom + 1 V) to 40 V, Iout = 5 mA to
Vout
−3
−
350 mA
3
%
Line Regulation
Vin = (Vout_nom + 1 V) to (Vout_nom + 20V), Iout Regline
−
= 5 mA
0.1
1.0
%
Load Regulation
Iout = 5 mA to 350 mA
Dropout Voltage (Note 9)
Iout = 150 mA, VDO = Vin − Vout
DISABLE AND QUIESCENT CURRENTS
Regload
−
VDO
−
0.14
1.4
%
250
500 mV
Disable Current
Quiescent Current, Iq = Iin − Iout
Quiescent Current, Iq = Iin − Iout
CURRENT LIMIT PROTECTION
VEN = 0 V
VEN = 0 V, TJ = 25°C
Iout = 1 mA, Vin = (Vout_nom + 8.5 V)
Iout = 350 mA, Vin = (Vout_nom + 8.5 V)
IDIS
−
−
10
mA
−
85
−
nA
Iq
−
150
230
mA
Iq
−
23
50
mA
Current Limit
PSRR & NOISE
Vout = 0.9 x Vout_nom, Vin = (Vout_nom + 8.5 V) ILIM
400
−
−
mA
Power Supply Ripple Rejection
Output Noise Voltage
ENABLE
f = 100 Hz, 0.5 Vp−p, Iout = 5 mA, Cin = none PSRR
−
70
−
dB
f = 10 Hz to 100 kHz, Cb = 10 nF, Iout = 5 mA
Vn
−
100
−
mVrms
Enable Input Threshold Voltage
Logic Low (OFF)
Logic High (ON)
Enable Input Current
Turn On Time from Enable ON to 90%
of Vout_nom
OUTPUT CURRENT SENSE
Vout v 0.1 V
Vout w 0.9 x Vout_nom
VEN = 3.3 V
Iout = 100 mA, Cb = 10 nF, R1 = 82 kW,
R2 = 27 kW
Vth(EN)
V
0.99 1.85
−
−
1.9
2.31
IEN
2.0
9.0
20
mA
ton
−
1.6
−
ms
CSO Voltage Level at Current Limit
CSO Transient Voltage Level
CSO Current to Output Current Ratio
(Note 10)
CSO Current at No Load Current
CSO Capacitor
THERMAL SHUTDOWN
Vout = 0.9 x Vout_nom, (Vout_nom = 5 V)
RCSO = 1 kW
VCSO_Ilim 2.346 2.55 2.754
V
(−8 %)
(+8 %)
CCSO = 4.7 mF, RCSO = 1 kW, Iout pulse from
VCSO
−
10 mA to 350 mA, tr = 1 ms
−
3.0
V
VCSO = 2 V, Iout = 10 mA to 350 mA,
(Vout_nom = 5V)
ICSO/Iout
−
(1/100)
−
−
(−10%)
(+10%)
VCSO = 0 V, Iout = 0 mA, (Vout_nom = 5 V)
ICSO_off
−
−
10
mA
CCSO
1.0
−
4.7
mF
Thermal Shutdown Temperature
Iout = 5 mA
TSD
150
−
195
°C
9. Measured when the output voltage Vout has dropped −2% from the nominal value obtained at Vin = Vout_nom + 8.5 V.
10. Not guaranteed in dropout.
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