Diodes AP1680 - Manual (Page 5)

LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER AP1680
5
BCD Semiconductor Manufacturing Limited Apr. 2011 Rev. 1. 0
Preliminary Datasheet
Parameter Symbol Conditions Min Typ Max Unit
UVLO SECTION
Start-up Threshold V
TH (ST)
16 18.5 21 V
Minimal Operating Voltage V
OPR
(min) 7.2 9 10.2 V
STANDBY CURRENT SECTION
Start-up Current I
ST
V
CC
=V
TH (ST)
-0.5V,
Before start-up
0.6 µA
Operating Current I
CC(OPR)
Static 200 320 µA
DRIVE OUTPUT SECTION
OUT Maximum Current
Sink
I
OUT
50
mA
Source 24 30 36
CURRENT SENSE SECTION
Current Sense Threshold V
CS
455 510 545 mV
Equivalent Current Sense Voltage Accuracy Note 2 3 %
Pre-Current Sense V
CS(PRE)
365 410 455 mV
Leading Edge Blanking 750 ns
FEEDBACK INPUT SECTION
Feedback Pin Input Leakage Current I
FB
V
FB
=4V 2.0 2.5 3.1 µA
Feedback Threshold V
FB
3.59 3.83 4.07 V
(V
CC
=15V, T
A
=25 o C, unless otherwise specified.)
Electrical Characteristics
Note 2: The output current is given by I
OUT
= . x
eq Vcs,
eq Vcs, ∆
Ns
Np
x
Rcs
eq Vcs,