DocID14493 Rev 11

11/25

L6390

Electrical characteristics

25

Table 7. Op amp characteristics(1) (VCC = 15 V, TJ = +25 °C)

Symbol

Pin

Parameter

Test condition

Min.

Typ.

Max.

Unit

Vio

6, 9

Input offset voltage

Vic = 0 V, Vo = 7.5 V

-

-

6

mV

Iio

Input offset current

Vic = 0 V, Vo = 7.5 V

-

4

40

nA

Iib

Input bias current(2)

-

100

200

nA

Vicm

Input common mode voltage

range

-

0-

VCC-4

V

VOPOUT

7

Output voltage swing

OPOUT = OP-; no load

0.07

-

VCC-4

V

Io

Output short-circuit current

Source, Vid = +1; Vo = 0 V

16

30

-

mA

Sink,Vid = -1; Vo = VCC

50

80

-

mA

SR

-

Slew rate

Vi = 1  4 V; CL = 100 pF;

unity gain

2.5

3.8

-

V/

s

GBWP

-

Gain bandwidth product

Vo = 7.5 V

8

12

-

MHz

Avd

-

Large signal voltage gain

RL = 2 k

70

85

-

dB

SVR

-

Supply voltage rejection ratio vs. VCC

60

75

-

dB

CMRR

-

Common mode rejection

ratio

-55

70

-

dB

1. The operational amplifier is disabled when VCC is in UVLO condition.

2. Input bias current flows out the IC leads.

Table 8. Sense comparator characteristics(1) (VCC = 15 V, TJ = +25 °C)

Symbol

Pin

Parameter

Test condition

Min.

Typ.

Max.

Unit

Iib

10

Input bias current

VCP+ = 1 V

-

-

1

A

VOL

2

Open drain low level output

voltage

IOD = - 3 mA

-

-

0.5

V

RON_OD

2

Open drain ON resistor

-

-

125

167



td_comp

-

Comparator delay

SD/OD pulled to 5 V

through 100 k

 resistor

-

90

130

ns

SR

2

Slew rate

CL = 180 pF; Rpu = 5 k

-60

-

V/

s

1. The comparator is disabled when VCC is in UVLO condition.