ZSR520G datasheet(2/17 Pages) ZETEX

부품명	ZSR520G

상세설명	2.85 TO 12 VOLT FIXED POSITIVE LOCAL VOLTAGE REGULATOR

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제조업체	ZETEX [Zetex Semiconductors]

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ABSOLUTE MAXIMUM RATING

Input voltage

20V

Output Current(Io)

200mA

Operating Temperature

-55 to 125°C

Storage Temperature

-65 to 150°C

ELECTRICAL CHARACTERISTICS

Notes:

1. The maximum operating input voltage and output

current of the device will be governed by the

maximum power dissipation of the selected package.

Maximum package power dissipation is specified at

25 °C and must be linearly derated to zero at

Tamb=125°C.

2. The following data represents pulse test conditions

with junction temperatures as indicated at the

initiation of the test. Continuous operation of the

devices with the stated conditions might exceed the

power dissipation limits of the chosen package.

Power Dissipation (Tamb=25°C)

SOT223

2W(Note 3)

TO92

600mW

3. Maximum power dissipation for the SOT223 and

SO8 packages, is calculated assuming that the device

is mounted on a PCB measuring 2 inches square.

4. The shut down feature of the device operates if its

temperature exceeds its design limit as might occur

during external faults, short circuits etc. If the

regulator is supplied from an inductive source then a

large voltage transient, on the regulator input, can

result should the shut down circuit operate. It is

advised that a capacitor (1

µF or greater) should be

applied across the regulator input to ensure that the

maximum voltage rating of the device is not

exceeded under shutdown conditions.

Issue 8 - April 2006

2

ZSR SERIES

SEMICO NDUC TORS

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNITS

V

O

Output Voltage

2.78

2.85

2.92

V

I

O=1 to 200mA

τ 2.736

2.964

V

in=4.85 to 20V

I

O=1 to 100mA

τ

2.736

2.964

V

∆V

O

Line Regulation

V

in

=4.85 to 20V

10

40

mV

∆V

O

Load Regulation

I

O

=1 to 200mA

I

O=1 to 100mA

5

2

25

mV

l

q

Quiescent Current

τ

350

600

µA

∆l

q

Quiescent Current

Change

I

O=1 to 200mA

V

in=4.85 to 20V

100

µA

V

n

Output Noise Voltage

f=10Hz to 10kHz

75

µVrms

∆V

in /∆VO

Ripple Rejection

V

in=5.85 to 18V

f=120Hz

48

62

dB

V

in

Input Voltage Required

To Maintain Regulation

4.85

4.55

V

∆V

O /∆T

Average Temperature

Coefficient of V

O

I

O=5.0mA

τ

0.1

mV/°C

ZSR285 TEST CONDITIONS (Unless otherwise stated):Tj=25°C, IO=100mA, Vin=6.85V

=Tj=-55 to 125°C

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