Diodes AP3586A/B/C - Manual (Page 7)

Data sheet
Single Phase Synchronous Buck PWM Controller AP3586A/B/C
Mar. 2012 Rev. 1. 1 BCD Semiconductor Manufacturing Limited
7
Electrical Characteristics (Continued)
V
CC
=12V, T
A
=25ºC, unless otherwise specified.
Parameter Symbol Conditions Min Typ Max Unit
Minimum Duty Cycle 0 %
Maximum Duty Cycle 75 82 89 %
REFERENCE VOLTAGE
AP3586A 0.591 0.6 0.609 V
Feedback Voltage V
FB
AP3586B/C 0.788 0.8 0.812 V
Feedback Bias Current I
FB
V
FB
=5V 10 50 nA
PROTECTION
Under Voltage Protection V
FB_UVP
0.3 0.4 0.5 V
Over Voltage Protection V
FB_OVP
1.1 V
OC Current Source I
OPS
19.5 21.5 23.5 µA
Built-in Maximum OCP
Voltage
V
OCP_MAX
0.3 V
AP3586A 2
AP3586B 2.7 Soft-start Interval t
SS
AP3586C 3.6
ms
Enable Threshold V
COMP/EN
0.25 0.30 0.35 V
Thermal Shutdown T
OTSD
160 ºC
Thermal Shutdown
Hysteresis
T
HYS
20 ºC