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AP1515 Fiches technique(PDF) 3 Page - Anachip Corp

No de pièce AP1515
Description  150KHz, 1.5A PWM Buck DC/DC Converter
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Fabricant  ANACHIP [Anachip Corp]
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AP1515 Fiches technique(HTML) 3 Page - Anachip Corp

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AP1515
150KHz, 1.5A PWM Buck DC/DC Converter
Anachip Corp.
www.anachip.com.tw
Rev.1.0 Oct 29, 2004
3/6
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
IFB
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
2
-
-
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
θJC
Thermal Resistance
Junction to case
-
30
-
oC/W
θJA
Note 1
Junction to ambient
-
100
-
oC/W
Part Number
Symbol
Parameter
Conditions
Typ.
Limit
Unit
FB
V
Output
Feedback
4.5V < VIN < 22V
0.2A < ILOAD < 1.5A
VOUT programmed for 3V
1.23
1.193/1.18
1.267/1.28
V
VMIN
VMAX
AP1515-ADJ
η
Efficiency
VIN = 12V, ILOAD=1.5A
78
%
OUT
V
Output voltage
4.75V < VIN < 22V
0.2A < ILOAD < 1.5A
3.3
3.168/3.135
3.432/3.465
V
VMIN
VMAX
AP1515-3.3V
η
Efficiency
VIN = 12V, ILOAD=1.5A
80
%
Specifications with boldface type are for full operating temperature range, the other type are for TJ=25ºC.
Note 1: Pin 4(GND) (< 1 mm length) & direct connect to internal GND layer.


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