Diodes AP1684 - Manual (Page 4)

AP1684
Document number: DS36547 Rev. 3 - 2
4 of 13
www.diodes.com
February 2014
© Diodes Incorporated
AP1684
A Product Line of
Diodes Incorporated
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Symbol Parameter Conditions Min Typ Max Unit
UVLO Section
V
TH
(ST) Start-up Threshold – 18 19 20 V
V OPR (Min) Minimum Operating Voltage After turn on 5.5 6.5 7.5 V
V
CC_OVP
VCC OVP Voltage – 30 32 34 V
– VCC Delatch Voltage (Note 5) – 3 4 5 V
Standby Current Section
I ST Start-up Current
V
CC
= V
TH
(ST)-0.5V,
Before start up
– – 20 μA
I
CC
(OPR) Operating Current Static – 900 1300 μA
Drive Output Section
I OUT Output Current (Note 5) V CS_PEAK = 1V – – 60 mA
V OS UVLO Saturation Voltage V CC = 0 to V CC-ON , I SINK = 10mA – – 1.1 V
Current Sense Section
V
CS_REF
Current Sense Reference – – 1 – V
V CS_CLAMP
Current Sense Reference
Clamp
– 1.2 1.4 – V
t
ONP_MIN
Minimum t
ONP
– 700 – 1000 ns
t
D(H-L)
Delay to Output (Note 5) – 50 150 250 ns
Feedback Input Section
I
FB
Feedback Pin Input Leakage
Current
V
FB
= 2V – – 4 μA
V
FB_CV
FB CV Threshold – 3.8 4 4.2 V
V
FB_OVP
FB OVP Threshold – 4.5 6 7.5 V
Output Current
–
System Output Current on Final
Test Board
– – – ±2 %
Over Temperature Protection Section
– Shutdown Temperature (Note 5) – +150 – – °C
– Temperature Hysteresis (Note 5) – – +20 – °C
Note 5: These parameters, although guaranteed by design, are not 100% tested in production.