NCV4275DS Просмотр технического описания (PDF) - ON Semiconductor

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NCV4275DS

5.0 V, 450 mA Low-Drop Voltage Regulator

ON Semiconductor 

NCV4275

ELECTRICAL CHARACTERISTICS (VI = 13.5 V; −40°C < TJ < 150°C; unless otherwise noted. Refer to Figure 13 for conditions.)

Characteristic

Symbol

Test Conditions

Min

Typ

Max Unit

Output

Output Voltage

Output Voltage

Output Current Limitation

Quiescent Current, Iq = II − IQ

Quiescent Current, Iq = II − IQ

Quiescent Current, Iq = II − IQ

Quiescent Current, Iq = II − IQ

Dropout Voltage

Load Regulation

Line Regulation

Power Supply Ripple Rejection

Temperature Output Voltage Drift

Reset Timing D and Output RO

VQ

VQ

IQ

Iq

Iq

Iq

Iq

Vdr

ΔVQ

ΔVQ

PSRR

dVQ/dt

100 mA < IQ < 400 mA, 6.0 V < VI < 28 V

100 mA < IQ < 200 mA, 6.0 V < VI < 40 V

VQ = 4.5 V

IQ = 1.0 mA

IQ = 1.0 mA, TA = 25°C

IQ = 250 mA

IQ = 400 mA

IQ = 300 mA, Vdr = VI − VQ, VI = 5.0 V

IQ = 5.0 mA to 400 mA

ΔVI = 8.0 V to 32 V, IQ = 5.0 mA

fr = 100 Hz, Vr = 0.5 Vpp

−

4.9

5.0

5.1

V

4.9

5.0

5.1

V

450

700

−

mA

−

150

200

mA

−

135

150

mA

−

10

15

mA

−

23

35

mA

−

250

500

mV

−30

15

30

mV

−15

5.0

15

mV

−

60

−

dB

−

0.5

−

mV/k

Reset Switching Threshold

Reset Output Low Voltage

Reset Output Leakage Current

Reset Charging Current

Upper Timing Threshold

Lower Timing Threshold

Reset Delay Time

Reset Reaction Time

Thermal Shutdown

VQ,rt

VROL

VROH

ID,C

VDU

VDL

trd

trr

−

Rext > 5.0 k, VQ > 1.0 V

VROH = 5.0 V

VD = 1.0 V

−

−

CD = 47 nF

CD = 47 nF

4.53 4.65

4.8

V

−

0.2

0.4

V

−

0

10

mA

3.0

5.5

9.0

mA

1.5

1.8

2.2

V

0.2

0.4

0.7

V

10

16

22

ms

−

1.5

4.0

ms

Shutdown Temperature (Note 6)

TSD

−

6. Guaranteed by design, not tested in production.

150

−

210

°C

1000

100

TYPICAL PERFORMANCE CHARACTERISTICS

10

Unstable ESR Region for

CQ = 1 mF

Maximum ESR for

CQ = 1 mF

Unstable Region

10

5.0

1

Stable ESR Region

Minimum ESR for

CQ = 1 mF

0.1

Unstable Region for CQ = 1 mF

0.01

0

0

100

200

300

400

500

0

OUTPUT CURRENT (mA)

Figure 2. Output Stability with Output

Capacitor ESR

Stable Region

CVout = 22 mF

100

200

300

400

500

OUTPUT CURRENT (mA)

Figure 3. Output Capacitor ESR

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