FAN2103 Datasheet, PDF (6/14 Pages) Fairchild Semiconductor – 3A, 24V Input Integrated Synchronous Buck Regulator

Electrical Specifications (Continued)
Recommended operating conditions are the result of using the circuit shown in Figure 1 unless otherwise noted.
Parameter
Soft-Start
VOUT to Regulation (T0.8)
Fault Enable/SSOK (T1.0)
Control Functions
EN Threshold, Rising
EN Hysteresis
EN Pull-up Resistance
EN Discharge Current
FB OK Drive Resistance
PGOOD Threshold
PGOOD Output Low
PGOOD Output High
PWM# Threshold
PWM# Input Current
Conditions
Frequency = 600KHz
Auto-restart Mode
FB < VREF
FB > VREF
IOUT < 2mA
VPGOOD = 5V
VPWM# = 0.4V
Min. Typ. Max. Unit
5.3
ms
6.7
ms
1.35 2.00
V
250
mV
800
KΩ
1
µA
800
Ω
-14
-11
-8
%VFB
107
110
113 %VFB
0.4
V
1
µA
0.6
0.8
V
1.0
1.2
µA
© 2007 Fairchild Semiconductor Corporation
FAN2103 Rev. 1.0.3
6
www.fairchildsemi.com