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NCV47721 Datasheet(PDF) 5 Page - ON Semiconductor

No. de Pieza. NCV47721
Descripción  Adjustable LDO with Adjustable Current Limit
Descarga  16 Pages
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Fabricante  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
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NCV47721 Datasheet(HTML) 5 Page - ON Semiconductor

 
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Table 6. ELECTRICAL CHARACTERISTICS Vin = 13.5 V, VEN = 3.3 V, RCSO = 0 W, CCSO = 1 mF, Cin = 1 mF, Cout = 10 mF, Min and
Max values are valid for temperature range −40
°C v TJ v +150°C unless noted otherwise and are guaranteed by test, design or
statistical correlation. Typical values are referenced to TJ = 25°C (Note 8)
Parameter
Test Conditions
Symbol
Min
Typ
Max
Unit
REGULATOR OUTPUTS
Output Voltage (Accuracy %) (Note 9)
Vin = Vin_min to 40 V
Iout = 5 mA to 200 mA
Vout
−3
+3
%
Line Regulation (Note 9)
Vin = Vin_min to (Vout_nom + 20 V)
Iout = 5 mA
Regline
0.1
1.0
%
Load Regulation
Vin = (Vout_nom + 8.5 V)
Iout = 5 mA to 200 mA
Regload
0.4
1.4
%
Dropout Voltage (Note 10)
Vout_nom = 5 V, Iout = 200 mA
VDO = Vin − Vout
VDO
250
500
mV
DISABLE AND QUIESCENT CURRENTS
Disable Current
VEN = 0 V
IDIS
0.002
10
mA
Quiescent Current, Iq = Iin − Iout
Iout = 500 mA, Vin = (Vout_nom + 8.5 V)
Iq
0.35
1
mA
Quiescent Current, Iq = Iin – Iout
Iout = 200 mA, Vin = (Vout_nom + 8.5 V)
Iq
7.5
15
mA
CURRENT LIMIT PROTECTION
Current Limit
Vin = (Vout_nom + 8.5 V),
Vout = 0.9 x Vout_nom
ILIM
300
mA
PSRR & NOISE
Power Supply Ripple Rejection (Note 11) f = 100 Hz, 0.5 Vp−p
PSRR
80
dB
Output Noise Voltage (Note 11)
f = 10 Hz to 100 kHz, Cb = 10 nF
Vn
168
mVrms
ENABLE
Enable Input Threshold Voltage
Logic Low (OFF)
Logic High (ON)
Vout v 0.1 V
Vout w 0.9 x Vout_nom (Vout_nom = 5 V)
Vth(EN)
0.99
1.8
1.9
2.31
V
Enable Input Current
VEN = 3.3 V
IEN
2
8
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
2.448
(−4%)
2.55
2.652
(+4%)
V
CSO Transient Voltage Level
CCSO = 4.7 mF, RCSO = 1 kW
Iout pulse from 10 mA to 300 mA, tr = 1 ms
VCSO
3.3
V
Output Current to CSO Current Ratio
(Notes 11 & 12)
VCSO = 2 V, Iout = 1 mA to 10 mA
(Vout_nom = 5 V)
Iout/ICSO
(−5%)
98
(+5%)
Output Current to CSO Current Ratio
(Note 12)
VCSO = 2 V, Iout = 10 mA to 300 mA
(Vout_nom = 5 V)
Iout/ICSO
(−5%)
100
(+5%)
CSO Current at no Load Current
VCSO = 0 V, Iout = 0 mA, (Vout_nom = 5 V)
ICSO_off
10
mA
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
8. Performance guaranteed over the indicated operating temperature range by design and/or characterization tested at TA [ TJ. Low duty
cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
9. Minimum input voltage Vin_min is 4.4 V or (Vout_nom + 1 V) whichever is higher.
10. Measured when the output voltage Vout has dropped by 2% of Vout_nom from the nominal valued obtained at Vin = Vout + 8.5 V.
11. Values based on design and/or characterization.
12. Not guaranteed in dropout.


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