Diodes AP6714 - Manual (Page 2)

AP6714
1.8MHz SYNCHRONOUS BOOST CONVERTER
AP6714
Document number: DS31490 Rev. 5 - 2
2 of 11
www.diodes.com
April 2011
© Diodes Incorporated
Pin Descriptions
Pin Name Pin # Description
V
CC
1 Power Input pin
EN 2 Enable Channel
CC 3 Channel Compensation Pin
FB 4 Channel Feedback Pin
REF 5 Internal Reference Voltage
SGND 6 Signal Ground
PGND 7 Power Ground
OCP 8 Over Current Protection
LX 9 SW Pin
OUT 10 Boost Output Pin
Functional Block Diagram
EN
FB
REF
Error
Amplifier
-
+
-
+
SGND
BANDGAP
Vref=1.23V
Soft - Start
Thermal - shutdown
Bias
Oscillator
Ramp
PWM
Comparator
Schmitt-Trigger
PWM
Control
&
Anti -
Through
Logic
LX
PGND
OCP
Current - Limit
+
- 0.16V
OCP
Comparator
ZCR
Comparator
+
-
Power - Good
CC VCC OUT
Absolute Maximum Ratings
Symbol Parameter Rating Unit
ESD HBM Human Body Model ESD Protection 3 KV
ESD MM Machine Model ESD Protection 250 V
OUT, V
CC
, EN, FB, OCP to GND -0.3 to +6.5 V
LX to GND -0.3 to (OUT + 0.3) V
I
LX
LX Current 1.6 A
REF, CC to GND -0.3 to (V
CC
+ 0.3) V
P
D
Continuous Power Dissipation (T
A
= 25
o
C) 850 mW
T
J
Operating Junction Temperature Range -40 to +125
o
C
T
ST
Storage Temperature Range -65 to +150
o
C