APW7093 查看數據表（PDF） - Anpec Electronics
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APW7093 Datasheet PDF : 20 Pages
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APW7093
Block Diagram
VIN
VCC
EXTREF
SHDN
REF
0.01µ F
SS
CURRENT
SENSE
FB
IN
CIN
+
_
REF
GND
PWM
LOGIC
AND
DRIVERS
TIMER
RTOFF
L
LX
PGND
VIN
+3.0V TO +5.5V
COUT
Fig1. Block Diagram
Absolute Maximum Ratings
VCC to GND
IN to VCC
GND to PGND
Parameter
Rating
Unit
-0.3 ~ +6
V
±0.3
V
±0.3
V
SHDN , SS, FB, TOFF, VREF to GND
-0.3 ~ VCC+0.3
V
EXTREF to GND
-0.3 ~ VIN-1.7
V
Power dissipation; Part mount on 1in2 of 1oz copper; QFN-28
1.6
W
Power dissipation; Part mount on 1in2 of 1oz copper; SSOP-16
1
W
LX Current
-3.5 ~ +4.1
A
Operating Temperature Range
-40 ~ +85
°C
Junction Temperature
+150
°C
Storage Temperature Range
-65~+150
°C
Lead Temperature (soldering,10s)
+300
°C
Recommend Operating Condition
Recommend Operating Condition
Symbol
Parameter
MIN TYP MAX
VIN
VOUT
COUT
CIN
L
Input Voltage Range
Output Voltage Range
Output Capacitor
Input Capacitor
Inductor
3
5.5
1.1
VIN
220 330
22 33
0.56 1
RTOFF Programmed off-time Resistance –
–
–
UNIT
V
V
uF
uF
uH
KΩ
NOTE
VEXTREF<= VIN-1.7V
Low ESR Capacitor
Refer to Application section
for further Information.
Copyright © ANPEC Electronics Corp.
3
Rev. A.5 - Jun., 2005
www.anpec.com.tw
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