AP6714 Datasheet, PDF (3/15 Pages) Diodes Incorporated – 1.8MHz SYNCHRONOUS BOOST CONVERTER

AP6714
1.8MHz SYNCHRONOUS BOOST CONVERTER
Block Diagram
EN
FB
By Pass
SGND
CC
VCC
Smith - Trigger
Oscillator
Power - Good
Bias
Error
Amplifier
-
+
Ramp
Soft - Start
PWM
Comparator
-
+
Vref=1.23V
ZCR
Comparator ₊
-
PWM
Control
&
Anti -
Through
Logic
OUT
BANDGAP
Thermal - shutdown
Current - Limit
OCP
Comparator
+
-
0.16V
LX
OCP
PGND
Absolute Maximum Ratings
Symbol
Parameter
ESD HBM Human Body Model ESD Protection
ESD MM Machine Model ESD Protection
OUT, VCC, EN, FB, OCP to GND
LX to GND
ILX
LX Current
REF, CC to GND
PD
Continuous Power Dissipation (TA = +25^oC)
TJ
Operating Junction Temperature Range
TST
Storage Temperature Range
Rating
3
250
-0.3 to +6.5
-0.3 to (OUT + 0.3)
1.6
-0.3 to (VCC + 0.3)
850
-40 to +125
-65 to +150
Unit
KV
V
V
V
A
V
mW
o_C
o_C
Recommend Operating Conditions
Symbol
Parameter
TA
Operating Ambient Temperature Range
Rating
-40 to +85
Unit
o_C
VIN
Supply Voltage at VIN (Note 3)
0.9 to 5.5
V
VOUT Output Voltage
1.8 to 5.5
V
Notes:
3. The AP6714 is powered by step-up output. An internal low-voltage startup oscillator drives the starting at approximately 0.9V and the main
control will take over as soon as output is reached. AP6714 operation could be kept in low input voltage and output current is just limited.
AP6714 Rev. 4
3 of 15
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FEBRUARY 2009
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