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AP1509 Fiches technique(PDF) 3 Page - Anachip Corp

No de pièce AP1509
Description  150KHz, 2A PWM Buck DC/DC Converter
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Fabricant  ANACHIP [Anachip Corp]
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Logo ANACHIP - Anachip Corp

AP1509 Fiches technique(HTML) 3 Page - Anachip Corp

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AP1509
150KHz, 2A PWM Buck DC/DC Converter
Anachip Corp.
www.anachip.com.tw
Rev.0.1 Nov 27, 2003
3/8
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
VCC
Supply Voltage
+24
V
VSD
ON/OFF Pin input voltage
-0.3 to +18
V
VFB
Feedback Pin voltage
-0.3 to +18
V
VOUT
Output voltage to Ground
-1
V
PD
Power dissipation
Internally limited
W
TST
Storage temperature
-65 to +150
oC
TOP
Operating temperature
-40 to +125
oC
VOP
Operating voltage
+4.5 to +22
V
Electrical Characteristics (All Output Voltage Versions)
Unless otherwise specified, VIN=12V for 3.3V, 5V, adjustable version and VIN=18V for the 12V version. ILOAD = 0.5A
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
-50
IB
Feedback bias current
VFB=1.3V
(Adjustable version only)
-10
-100
nA
127
150
173
FOSC
Oscillator frequency
110
173
KHz
FSCP
Oscillator frequency of
short circuit protect
When current limit occurred
and VFB < 0.5V, Ta=25
oC
5
15
25
KHz
1.4
VSAT
Saturation voltage
IOUT=2A
No outside circuit
VFB=0V force driver on
1.25
1.5
V
Max. Duty Cycle (ON)
VFB=0V force driver on
100
DC
Min. Duty Cycle (OFF)
VFB=12V force driver off
0
%
ICL
Current limit
Peak current
No outside circuit
VFB=0V force driver on
3
A
Output = 0
No outside circuit
VFB=12V force driver off
-200
uA
IL
Output = -1
Output
leakage
current
VIN=22V
-5
mA
IQ
Quiescent Current
VFB=12V force driver off
5
10
mA
150
ISTBY
Standby Quiescent
Current
ON/OFF pin=5V
VIN=22V
70
200
uA
VIL
Low (regulator ON)
-
0.6
VIH
ON/OFF pin logic input
threshold voltage
High (regulator OFF)
2.0
1.3
-
V
IH
ON/OFF pin logic input
current
VLOGIC=2.5V (OFF)
-0.01
IL
ON/OFF pin input current VLOGIC=0.5V (ON)
-0.1
-1
uA
ΘJC
Thermal Resistance
SOP-8L
Junction to
case
15
oC/W
ΘJA
Thermal Resistance
With copper area of
approximately 3 in
2
SOP-8L
Junction to
ambient
70
oC/W


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