UPC2905HF datasheet(10/20 Pages) NEC

10 / 20 page

µPC2900 Series

ELECTRICAL CHARACTERISTICS

µPC2909 (TJ = 25

°C, VIN = 12 V, IO = 500 mA, CIN = 0.22 µF, COUT = 47 µF,

unless otherwise specified.)

Parameters

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

Output Voltage

8.64

9.0

9.36

°C ≤ TJ ≤ 125 °C, 10 V ≤ VIN ≤ 18 V,

8.55

9.45

0 A

≤ IO ≤ 500 mA

°C ≤ TJ ≤ 125 °C, 0 A ≤ IO ≤ 1 A

Line Regulation

REGIN

10 V

≤ VIN ≤ 18 V

Load Regulation

REGL

0 A

≤ IO ≤ 1 A

Quiescent Current

IBIAS

IO = 0 A

1.9

4.0

IO = 1 A

Startup Quiescent Current

IBIAS (s)

VIN = 8.5 V, IO = 0 A

VIN = 8.5 V, IO = 1 A

Quiescent Current Change

∆IBIAS

°C ≤ TJ ≤ 125 °C, 10 V ≤ VIN ≤ 18 V

3.0

Output Noise Voltage

10 Hz

≤ f ≤ 100 kHz

155

µVr.m.s.

Ripple Rejection

R·R

f = 120 Hz, 10 V

≤ VIN ≤ 18 V

Dropout Voltage

VDIF

°C ≤ TJ ≤ 125 °C, IO = 1 A

0.7

1.0

Short Circuit Current

IO short

VIN = 10.5 V

1.9

VIN = 18 V

1.0

Peak Output Current

IO peak

VIN = 10.5 V

1.1

1.5

3.0

VIN = 18 V

1.4

2.0

3.0

Temperature Coefficient of

∆VO/∆T0 °C ≤ TJ ≤ 125 °C, IO = 5 mA

1.0

mV/

°C

Output Voltage

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