M62301FP 参数 Datasheet PDF下载

M62301SP/FP

(3) Constant current control

Integrating current I

I

can be obtained based on the reference voltage (1.22 V) by the built-in high-precision

generator and resistance R

I

.

I

I

=

1.22

R

I

(A) .................... (1)

Integration time T

I

can be calculated as follows;

T

I

= (V

IN

+ 0.49)

C

I

I

I

.................. (2)

However, parameters such as built-in comparator offset voltage, analog switch offset, voltage leak current and delay

time are not counted.

I

I

V

REF

13

12

8

1.22 V

R

I

C

I

4.45 V

50 mA

Reset supply voltage

V

RE

0.8 V

t

RESET

output

Output

unsettled

T

DE

T

DE

t

When voltage applied to pin V

RE

becomes less than 4.45 V, the

RESET

output status becomes "L". If voltage

increases over 4.50 V, the

RESET

status becomes "H" within 150

µs.

REJ03D0861-0300 Rev.3.00 Mar 25, 2008

Page 5 of 11