UPC317 datasheet(4/6 Pages) NEC

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Data Sheet G12826EJ3V0DS00

µµµµPC317

ELECTRICAL CHARACTERISTICS

(VIN

−−−− VO = 5 V, IO = 0.5 A, 0°°°°C ≤≤≤≤ TJ ≤≤≤≤ +125°°°°C, unless otherwise specified.)

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

TA = 25

°C, 3 V ≤ (VIN – VO) ≤ 40 V, IO = 0.1 ANote

0.01

0.04

%/V

Line Regulation

REGIN

3 V

≤ (VIN – VO) ≤ 40 V, IO = 0.1 ANote

0.02

0.07

%/V

≤ 5 V

TJ = 25

°C

10 mA

≤ lO ≤ 1.5 ANote

≥ 5 V

0.1

0.5

≤ 5 V

Load Regulation

REGL

10 mA

≤ lO ≤ 1.5 ANote

≥ 5 V

0.3

1.5

Thermal Regulation

REGTH

TA = 25

°C, 0.2 ms ≤ t ≤ 20 ms

0.01

0.07

%/W

ADJ pin Output Current

IADJ

100

µA

IADJ Change

∆IADJ

10 mA

≤ IO ≤ 1.5 A, PT ≤ 15 W

0.4

µA

Reference Voltage

VREF

10 mA

≤ IO ≤ 1.5 A, PT ≤ 15 W

1.20

1.25

1.30

Temperature Stability of VREF

∆VREF/∆T0.7

Minimum Load Current

IOMIN.

VIN

− VO = 40 V

4.7

5 V

≤ (VIN − VO) ≤ 15 V

1.5

2.2

2.9

Peak Output Current

IOpeak

VIN

− VO = 40 V

0.15

0.8

Output Noise Voltage (RMS)

TA = 25

°C, 10 Hz ≤ f ≤ 10 kHz

0.001

CADJ = 0

Ripple Rejection

• R

TA = 25

°C, ∆VIN = 1 Vr.m.s

f = 120 Hz, VO = 10 V

CADJ = 10

µF

Note Measured at constant junction temperature, using pulse testing with a low duty cycle.

PW = 10 ms, Duty Cycle

≤ 2 %

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