Electrical characteristics – FUJITSU MB39A104 User Manual

Page 6

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MB39A104

6

ELECTRICAL CHARACTERISTICS

(VCC

= VCCO = 12 V, VREF = 0 mA, Ta = +25 °C)

(Continued)

Parameter

Symbol

Pin No

Conditions

Value

Unit

Min

Typ

Max

1.

Ref

e

re

n

c

e

voltage

blo

c

k

[R

EF]

Output voltage

V

REF

17

Ta

= +25 °C

4.95

5.00

5.05

V

Output voltage
temperature
variation

∆V

REF

/

V

REF

17

Ta

= 0 °C to +85 °C

0.5*

%

Input stability

Line

17

VCC

= 7 V to 19 V

3

10

mV

Load stability

Load

17

VREF

= 0 mA to −1 mA

1

10

mV

Short-circuit
output current

I

OS

17

VREF

= 1 V

−50

−25

−12

mA

2.

Und

e

r

voltage lockout

p

rot

ect

ion

cir

c

u

it

block [UVLO

]

Threshold
voltage

V

TLH

17

VREF

= 2.6

2.8

3.0

V

V

THL

17

VREF

= 2.4

2.6

2.8

V

Hysteresis
width

V

H

17

0.2*

V

3

.Sh

or

t-

circuit

d

e

te

ctio

n blo

c

k

[SCP Lo

gic

]

Threshold
voltage

V

TH

8

0.68

0.73

0.78

V

Input source
current

I

CSCP

8

−1.4

−1.0

−0.6

µA

Reset voltage

V

RST

17

VREF

= 2.4

2.6

2.8

V

4.

Sh

or

t-c

ircu

it

de

te

ctio

n block

[SCP Comp.]

Threshold
voltage

V

TH

8

2.8

3.1

3.4

V

5.

T

ria

ng

ula

r

wave osc

illator

blo

c

k

[OSC]

Oscillation
frequency

f

OSC

13

C

T

= 100 pF, R

T

= 24 kΩ 450

500

550

kHz

Frequency
temperature
variation

∆f

OSC

/

f

OSC

13

Ta

= 0 °C to +85 °C

1*

%

6

.So

ft-

st

ar

t

blo

c

k

[CS

1

, CS2

]

Charge current

I

CS

11, 14

CS1

= CS2 = 0 V

−14

−10

−6

µA

7.Error amplifier

blo

c

k

[Er

ro

r Am

p1

,

Er

ro

r

Am

p2

]

Threshold
voltage

V

TH

9, 16

FB1

= FB2 = 2 V

1.227 1.240 1.253

V

Input bias
current

I

B

10, 15

−INE1 = −INE2 = 0 V

−120

−30

nA

Voltage gain

A

V

9, 16

DC

100*

dB

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