Diodes AP3107Z - Manual (Page 3)

AP3107Z
Document number: DS36677 Rev. 2 - 1
3 of 11
www.diodes.com
November 2013
© Diodes Incorporated
AP3107Z
A Product Line of
Diodes Incorporated
Functional Block Diagram
Soft
Driver
18V
QB D
CLK
RB
DFF
OSC with
Frequency Dithering
2R2
OCP
0.85V
Burst
Mode
PWM
OLP
OLP
OTP
VCC OVP
UVLO
UVLO
16V
Internal Bias
0.3V
PG
25  s
Filter
4ms
Soft Start
OTP
140℃
FOCP
35V
8.6V
R2
1.1V
VCC
6
FB
2
GND 4
SENSE
3
GATE
5
HV
7
250ns LEB
R3
R1
BNO
1
BNO Sense
Line Sense
Line Sense
28V
VCC OVP OVP
2.2V
35ms
Filter
OLP
BOK OFF
BOK ON/OFF
Line Sense
PG
VDD
BOK ON
R4