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MC33375ST

300 mA, Low Dropout Voltage Regulator with On/Off Control

ON Semiconductor 

MC33375 Series

ELECTRICAL CHARACTERISTICS (CL = 1.0 mF, TA = 25°C, for min/max values TJ = −40°C to +125°C, Note 1)

Characteristic

Symbol

Min

Typ

Max

Output Voltage

1.8 V Suffix

2.5 V Suffix

3.0 V Suffix

3.3 V Suffix

5.0 V Suffix

IO = 0 mA to 250 mA

TA = 25°C, Vin = [VO + 1] V

VO

1.782

1.80

1.818

2.475

2.50

2.525

2.970

3.00

3.030

3.267

3.30

3.333

4.950

5.00

5.05

1.8 V Suffix

2.5 V Suffix

3.0 V Suffix

3.3 V Suffix

5.0 V Suffix

Vin = [VO + 1] V, 0 < IO < 100 mA

2% Tolerance from TJ = −40 to +125°C

1.764

−

1.836

2.450

−

2.550

2.940

−

3.060

3.234

−

3.366

4.900

−

5.100

Line Regulation Vin = [VO + 1] V to 12 V, IO = 250 mA,

All Suffixes TA = 25°C

Regline

−

Load Regulation Vin = [VO + 1] V, IO = 0 mA to 250 mA,

All Suffixes TA = 25°C

Regload

−

Dropout Voltage

IO = 10 mA

IO = 100 mA

IO = 250 mA

IO = 300 mA

TJ = −40°C to +125°C

Vin − VO

−

−

−

−

Ripple Rejection (120 Hz) Vin(peak−peak) = [VO + 1.5] V to [VO + 5.5] V

−

65

Output Noise Voltage

CL = 1.0 mF

CL = 200 mF

IO = 50 mA (10 Hz to 100 kHz)

Vn

−

−

CURRENT PARAMETERS

2.0

10

5.0

25

25

100

115

200

220

400

260

500

75

−

160

−

46

−

Quiescent Current ON Mode

Vin = [VO + 1] V, IO = 0 mA

IQOn

−

125

200

Quiescent Current OFF Mode

IQOff

−

0.3

4.0

Quiescent Current ON Mode SAT Vin = [VO − 0.5] V, IO = 0 mA (Note 2)

IQSAT

1.8 V Suffix

−

1100

1500

2.5 V Suffix

−

1100

1500

3.0 V Suffix

−

1500

2000

3.3 V Suffix

−

1500

2000

5.0 V Suffix

−

1500

2000

Current Limit

ON/OFF INPUTS

Vin = [VO + 1] V, VO Shorted

ILIMIT

−

450

−

On/Off Input Voltage

Logic “1” (Regulator On) Vout = VO ± 2%

Logic “0” (Regulator Off) Vout < 0.03 V

Logic “0” (Regulator Off) Vout < 0.05 V (1.8 V Option)

THERMAL SHUTDOWN

VCTRL

2.4

−

−

−

−

0.5

−

−

0.3

Thermal Shutdown

−

−

150

−

1. Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible.

2. Quiescent Current is measured where the PNP pass transistor is in saturation. Vin = [VO − 0.5] V guarantees this condition.

Unit

Vdc

mV

mV

mV

dB

mVrms

mA

mA

mA

mA

V

°C

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