AN79L18 datasheet(8/12 Pages) PANASONIC

Part #	AN79L18

Description	3-pin negative output voltage regulator (100 mA type)

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Manufacturer	PANASONIC [Panasonic Semiconductor]

Direct Link	http://www.panasonic.com/industrial/

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AN79Lxx/AN79LxxM Series

8

SFF00006CEB

I Electrical Characteristics at Ta = 25°C (continued)

• AN79L24 (−24V type)

I Main Characteristics

VO

V

Tj

= 25°C

VO

V

VI

= −27 to −38V, IO = 1 to 70mA

REGIN

mV

VI

= −27 to −38V, Tj = 25°C

mV

REGL

mV

IO

= 1 to 100mA, Tj = 25°C

mV

IO

= 1 to 40mA, Tj = 25°C

VI

= −27 to −37V, Tj = 25°C

mA

Tj

= 25°C

IBias

mA

VI

= −27 to −38V, Tj = 25°C

∆IBias(IN)

mA

∆IBias(L)

µV

IO

= 1 to 40mA, Tj = 25°C

Vno

dB

f

= 10Hz to 100kHz, Ta = 25°C

RR

VI

= −28 to −38V, f = 120Hz, Ta = 25°C

V

Tj

= 25°C

VDIF(min)

mA

IO(Short)

mV/

°C

VI

= −35V, Tj = 25°C

∆VO/Ta

IO

= 5mA

−25

−24

200

40

3

170

0.5

0.1

100

−25.2

200

100

5

49

−23

−22.8

0.8

200

−1

20

Parameter

Symbol

Conditions

Min

Typ

Max

Output voltage

Output voltage tolerance

Line regulation

Load regulation

Note 1) The specified condition Tj

= 25°C means that the test should be carried out within so short a test time (within 10ms) that the

characteristic value drift due to the chip junction temperature rise can be ignored.

Note 2) Unless otherwise specified, VI

= −33V, IO = 40mA, CI = 2µF, CO = 1µF, Tj = 0 to 125°C

Bias current

Bias current fluctuation to input

Bias current fluctuation to load

Output noise voltage

Ripple rejection ratio

Minimum input/output voltage difference

Output short-circuit current

Output voltage temperature coefficient

Unit

1.0

0.8

0.6

0.4

0.2

0

20

40

60

80 100 120 140 160

Ambient temperature Ta (

°C)

PD

 Ta (AN79Lxx series)

−5.12

−5.08

−5.04

−5.00

−4.96

−4.92

−4.88

−4.84

−4.80

Junction temperature Tj (

°C)

VO

 Tj

−25

0

25

50

75

100

125

AN79L05

VI

= −10V

IO

= 1mA

1.0

0.8

0.6

0.4

0.2

0

20

40

60

80 100 120 140 160

Ambient temperature Ta (

°C)

PD

 Ta (AN79LxxM series)

Independent IC

without a heat sink

Rth(j-a)

= 190°C/W

PD

= 658mW (25°C)

Mounted on standard board

(glass epoxy: 20 mm

× 20 mm × t1.7mm

with Cu foil of 1cm2 or more)

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AN79L18 Datasheet(PDF) 8 Page - Panasonic Semiconductor

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