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NCV47700 Datasheet(PDF) 4 Page - ON Semiconductor

No. de Pieza. NCV47700
Descripción  5 V to 20 V Adjustable Low Dropout Regulator with Adjustable Current Limit
Descarga  12 Pages
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Fabricante  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
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NCV47700 Datasheet(HTML) 4 Page - ON Semiconductor

 
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RECOMMENDED OPERATING RANGES (Note 6)
Rating
Symbol
Min
Max
Unit
Input Voltage (Note 7)
Vin
5.5
40
V
Output Current Limit (Note 8)
ILIM
10
350
mA
Junction Temperature
TJ
−40
150
°C
Nominal Output Voltage
Vout_nom
5.0
20
V
Current Sense Output (CSO) Capacitor
CCSO
1.0
4.7
mF
6. Refer to ELECTRICAL CHARACTERISTIS and APPLICATION INFORMATION for Safe Operating Area.
7. Minimum Vin = 5.5 V or (Vout_nom + 0.5 V), whichever is higher.
8. Corresponding RCSO is in range from 25 kW down to 728 W.
ELECTRICAL CHARACTERISTICS Vin = 13.5 V, VEN = 5 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 350 mA
Vout
−6
6
%
Line Regulation
Vin = (Vout_nom + 1 V) to (Vout_nom + 20V), Iout = 5mA Regline
0.1
2.0
%
Load Regulation
Iout = 5 mA to 350 mA
Regload
0.14
2.8
%
Dropout Voltage (Note 9)
Iout = 150 mA, VDO = Vin − Vout
VDO
250
500
mV
DISABLE AND QUIESCENT CURRENTS
Disable Current
VEN = 0 V
VEN = 0 V, TJ = 25°C
IDIS
85
10
mA
nA
Quiescent Current, Iq = Iin − Iout
Iout = 1 mA, Vin = (Vout_nom + 8.5 V)
Iq
150
230
mA
Quiescent Current, Iq = Iin − Iout
Iout = 350 mA, Vin = (Vout_nom + 8.5 V)
Iq
23
50
mA
CURRENT LIMIT PROTECTION
Current Limit
Vout = 0.9 x Vout_nom, Vin = (Vout_nom + 8.5 V)
ILIM
400
mA
PSRR & NOISE
Power Supply Ripple Rejection
f = 100 Hz, 0.5 Vp−p, Iout = 5 mA, Cin = none
PSRR
70
dB
Output Noise Voltage
f = 10 Hz to 100 kHz, Cb = 10 nF, Iout = 5 mA
Vn
100
mVrms
ENABLE
Enable Input Threshold Voltage
Logic Low (OFF)
Logic High (ON)
Vout ≤ 0.1 V
Vout ≥ 0.9 x Vout_nom
Vth(EN)
0.8
2.4
2.7
3.5
V
Enable Input Current
VEN = 5 V
IEN
2.0
8.0
20
mA
Turn On Time from Enable ON to
90% of Vout_nom
Iout = 100 mA, Cb = 10 nF, R1 = 82 kW,
R2 = 27 kW
ton
1.6
ms
OUTPUT CURRENT SENSE
CSO Voltage Level at Current
Limit
Vout = 0.9 x Vout_nom, (Vout_nom = 5 V)
RCSO = 1 kW
VCSO_Ilim 2.346
(−8 %)
2.55
2.754
(+8 %)
V
CSO Transient Voltage Level
CCSO = 4.7 mF, RCSO = 1 kW, Iout pulse from 10 mA
to 350 mA, tr = 1 ms
VCSO
3.0
V
CSO Current to Output Current
Ratio (Note 10)
VCSO = 2 V, Iout = 10 mA to 350 mA,
(Vout_nom = 5V)
ICSO/Iout
(−10%)
(1/100)
(+10%)
CSO Current at No Load Current VCSO = 0 V, Iout = 0 mA, (Vout_nom = 5 V)
ICSO_off
10
mA
THERMAL SHUTDOWN
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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