UPC337 datasheet(4/8 Pages) NEC

4 / 8 page

µPC337

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

Line Regulation

REGIN

TJ = 25

°C, 3 V ≤ | VIN – VO | ≤ 40 VNote

0.005

0.04

%/V

°C ≤ TJ ≤ 125 °C, 3 V ≤ | VIN – VO | ≤ 40 VNote

0.01

0.07

%/V

Load Regulation

REGL

TJ = 25

°C,

| VO |

≤ 5 V

10 mA

≤ IO ≤ 1.5 ANote

| VO |

≥ 5 V

0.6

1.0

°C ≤ TJ ≤ 125 °C,

| VO |

≤ 5 V

10 mA

≤ IO ≤ 1.5 ANote

| VO |

≥ 5 V

0.9

1.5

Thermal Regulation

REGTH

TJ = 25

°C, | VIN – VO | = 40 V, VO = –10 V,

0.005

0.04

%/W

0 A

≤ IO ≤ 0.25 A, t = 10 ms

ADJ pin Output Current

IADJ

100

µA

IADJ Change

∆IADJ

TJ = 25

°C, 3 V ≤ | VIN – VO | ≤ 40 V,

µA

10 mA

≤ IO ≤ 1.5 A, PT ≤ 15 W

Reference Voltage

VREF

3 V

≤ | VIN – VO | ≤ 40 V,

–1.20

–1.25

–1.30

10 mA

≤ IO ≤ 1.5 A, PT ≤ 15 W

Temperature Stability of

∆VREF/∆T0 °C ≤ TJ ≤ 125 °C, IO = 5 mA

–0.6

VREF

Minimum Load Current

IOMIN.| VIN – VO | = 40 V

2.1

Peak Output Current

IOpeak

3 V

≤ | VIN – VO | ≤ 15 V

1.5

2.3

2.9

TJ = 25

°C, | VIN – VO | = 40 V

0.15

0.8

Output Noise Voltage

TJ = 25

°C, 10 HZ ≤ f ≤ 10 kHz

0.002

(RMS)

Ripple Rejection

R • R

TJ = 25

°C, ∆VIN = 1 Vr.m.s

CADJ = 0

f = 120 Hz, VO = –10 V

CADJ = 10

µF66

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

PW = 10 ms, Duty Cycle

≤ 2 %

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