© 2006 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2

6

Notes:

10. These parameters, although guaranteed, are not 100% tested in production.

11. Pulse test: Pulse width ≤ 300µs, duty ≤ 2%.

Symbol

Parameter

Condition

Min.

Typ.

Max.

Unit

Burst-Mode Section

Burst-Mode Voltage

0.5

0.6

0.7

V

0.3

0.4

0.5

V

100

200

300

mV

Protection Section

Peak Current Limit

FSQ0170RNA

di/dt = 170mA/µs

0.70

0.80

0.90

A

FSQ0270RNA

di/dt = 200mA/µs

0.79

0.90

1.01

FSQ0370RNA

di/dt = 240mA/µs

0.97

1.10

1.23

500

ns

125

140

°C

Shutdown Feedback Voltage

5.5

6.0

6.5

V

Over-Voltage Protection

18

19

V

Shutdown Delay Current

3.5

5.0

6.5

μA

200

ns

Total Device Section

Operating Supply Current

(control part only)

1

3

5

mA

Start-Up Charging Current

0.70

0.85

1.00

mA

24

V