參數(shù)資料
型號： AP1551
英文描述： 150KHz, Dual Channel 2A PWM Buck DC/DC Converter
中文描述： 150kHz的，雙通道甲的PWM降壓DC / DC轉換器
文件頁數(shù)： 3/8頁
文件大?。?/td> 170K
代理商： AP1551
AP1551
150KHz, Dual Channel 2A PWM Buck DC/DC Converter
Absolute Maximum Ratings
Symbol
Parameter
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
Unless otherwise specified, V
IN
=12V, I
LOAD
= 0.5A
Symbol
Parameter
V
FB1/2
=1.3V
(Adjustable version only)
Anachip Corp.
www.anachip.com.tw
Rev. 1.0 Nov 17, 2004
3/8
Rating
+24
-0.3 to +18
-0.3 to +18
-1
Internally limited
-65 to +150
-40 to +125
+4.5 to +22
Unit
V
V
V
V
W
o
C
o
C
V
Conditions
Min.
Typ.
Max.
-50
-100
173
173
Unit
I
B1/2
Feedback bias current
-
-10
nA
127
110
150
-
F
OSC
Oscillator frequency
KHz
F
SCP
Oscillator frequency of
short circuit protect
When current limit occurred
and V
FB1/2
< 0.5V, Ta=25
C
I
OUT1/2
=2A
No outside circuit
V
FB1/2
=0V force driver on
V
FB1/2
=0V force driver on
V
FB1/2
=12V force driver off
Peak current
No outside circuit
V
FB1/2
=0V force driver on
No outside circuit
V
FB1/2
=12V force driver off
V
IN1/2
=22V
V
FB1/2
=12V force driver off
ON/OFF pin=5V
V
IN1/2
=22V
Low (regulator ON)
5
15
25
KHz
1.4
V
SAT1/2
Saturation voltage
-
1.25
1.5
V
Max. Duty Cycle (ON)
Min. Duty Cycle (OFF)
-
-
100
0
-
-
DC
%
I
CL1/2
Current limit for each
channel
3
-
-
A
Output = 0
-
-
-200
uA
I
L1/2
Output = -1
Quiescent Current
Standby Quiescent
Current
Output
leakage
current
-
-
-5
5
mA
mA
I
Q1/2
10
150
200
0.6
I
STBY1/2
-
70
uA
V
IL1/2
-
V
IH1/2
ON/OFF pin logic input
threshold voltage
High (regulator OFF)
2.0
1.3
-
V
I
H
ON/OFF pin logic input
current
ON/OFF pin input current V
LOGIC
=0.5V (ON)
V
LOGIC
=2.5V (OFF)
-
-
-0.01
I
L
-
-0.1
-1
uA
θ
JC
Thermal Resistance
SOP-16L
Junction to
case
-
15
-
o
C/W
θ
JA
Thermal Resistance
With copper area of
approximately 3 in
SOP-16L
Junction to
ambient
-
70
-
o
C/W
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相關代理商/技術參數(shù)
參數(shù)描述
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