© 2015 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FAN8841

• Rev. 1.0

6

Electrical Characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

Current Limit Comparator Section

OCP Trip Current

1.85

2.00

2.15

A

0.9

1.0

1.1

A

Comparator Leading-Edge Blanking Time

(8)

80

130

180

ns

Step-up Output Control Section

9.0

10

11

µA

Positive Going Threshold Voltage

(8)

1.0

V

Negative Going Threshold Voltage

(8)

0.1

V

Step-up Switch Section

N-Channel On Resistance

0.2

0.5

Ω

LX Leakage Current

1.0

µA

Logic (EN, IN1,IN2, SD) Section

Input Logic High Threshold Voltage

1.34

V

Input Logic Low Threshold Voltage

0.5

V

Input Low Current

1

µA

Input High Current

16

24

32

µA

Input Logic Pull-Down Resistance

125

K

Ω

Full-Bridge Switch Section

Output Upper-Side On Resistance

3.0

5.0

Ω

Output Low-Side On Resistance

3.0

5.0

Ω

Turn-on Propagation Delay Time

300

ns

Turn-off Propagation Delay Time

330

ns

Protection (UVP, and OVP )

Under-Voltage Threshold of DC-DC Con.

11

12

13

V

Under-Voltage Hysteresis

1.0

V

OVP Threshold Voltage

1.05

1.10

1.15

V

OVP Hysteresis Voltage

0.1

V

Fault Output Duration

20

30

µs

Fault Output Low Level voltage

0.1

0.4

V

Note:

8.

This parameter, although guaranteed by design, is not tested in production.