參數(shù)資料
型號: AP1503SLA
英文描述: 300Khz, 2.5A PWM Buck DC/DC Converter
中文描述: 300kHz的包2.5a的PWM降壓DC / DC轉(zhuǎn)換器
文件頁數(shù): 3/5頁
文件大?。?/td> 151K
代理商: AP1503SLA
AP1503
300Khz, 2.5A PWM Buck DC/DC Converter
Absolute Maximum Ratings
Symbol
V
CC
Supply Voltage
V
SD
ON/OFF Pin input voltage
V
FB
Feedback Pin voltage
V
OUT
Output voltage to Ground
P
D
Power dissipation
T
ST
Storage temperature
T
OP
Operating temperature
V
OP
Operating voltage
Electrical Characteristics (All Output Voltage Versions)
Unless otherwise specified, V
IN
=12V for 3.3V, 5V, I
LOAD
= 0.5A
Symbol
Parameter
Anachip Corp.
www.anachip.com.tw Rev 1.0 Sep. 29, 2004
3/5
Parameter
Rating
+26
-0.3 to +25
-0.3 to +25
-1
Internally limited
-65 to +150
-40 to +125
+7 to +40
Unit
V
V
V
V
W
o
C
o
C
V
Conditions
Min.
255
230
Typ.
300
Max.
345
360
0.5
0.6
3.5
Unit
F
OSC
Oscillator frequency
KHz
V
SAT
Saturation voltage
I
SW
=2A
V
B
=V
IN
+2.5V.
V
FB
=0V force driver on
V
FB
=6V force driver off
Peak current
No outside circuit
V
FB
=0 force driver on
no outside circuit
V
FB
=6V force driver off
V
IN
=24V
0.4
V
Max. Duty Cycle (ON)
Min. Duty cycle (OFF)
90
0
DC
%
I
CL
Current limit
3
3.25
4
A
Output = 0
-1
uA
I
L
Output = -1
COMP Min SW threshold Duty Cycle=0%,F
B
=3.5V
2A I
SW
threshold
Min V
B
above switch
Output
leakage
current
-1
3
140
10
150
200
0.6
-
mA
0.04
0.8
2.6
120
130
5
V
C
I
SW
=2A
I
SW
=1A
I
SW
=2A
V
FB
=6 force driver off
ON/OFF pin=5V
V
IN
=24V
Low (regulator ON)
High (regulator OFF)
V
V
B
V
I
B
Boost current
mA
I
Q
Quiescent Current
Standby Quiescent
Current
ON/OFF pin logic input
threshold voltage
ON/OFF pin logic input
current
ON/OFF pin input current V
LOGIC
=0.5V (ON)
Thermal Resistance
Thermal Resistance
With copper area of
approximately 0.5 in
2
mA
I
STBY
80
uA
V
IL
V
IH
-
2.0
1.3
V
I
H
V
LOGIC
=2.5V (OFF)
-0.1
I
L
-1
uA
Θ
JC
SOP-7L
Junction to case
Junction to
ambient
20
o
C/W
Θ
JA
SOP-7L
50
o
C/W
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