AP1518 데이터 시트보기 (PDF) - Anachip Corporation
부품명
상세내역
일치하는 목록
AP1518 Datasheet PDF : 12 Pages
| |||
300KHz, 3A PWM Buck DC/DC Converter
AP1518
Absolute Maximum Ratings
Symbol
VCC
VSD
VFB
VOUT
PD
TST
TOP
VOP
Parameter
Supply Voltage
ON /OFF Pin input voltage
Feedback Pin voltage
Output voltage to Ground
Power dissipation
Storage temperature
Operating temperature
Operating voltage
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
oC
oC
V
Electrical Characteristics (All Output Voltage Versions)
Unless otherwise specified, VIN=12V, ILOAD = 0.5A
Symbol
Parameter
Conditions
IFB
Feedback bias current
VFB=0.8V
(Adjustable version only)
FOSC Oscillator frequency
FSCP
VSAT
DC
ICL
IL
IQ
ISTBY
VIL
VIH
Oscillator frequency
short circuit protect
Saturation Voltage
of When current limit occurred
and VFB < 0.5V, Ta=25 oC
IOUT=3A
No outside circuit
Max. Duty Cycle (ON)
Min. Duty Cycle (OFF)
VFB=0V force driver on
VFB=0V force driver on
VFB=12V force driver off
Peak current
Current limit
No outside circuit
Output = 0V
Output
leakage
Output =-1V current
Quiescent Current
VFB=0 force driver on
No outside circuit
VFB=12 force driver off
VIN=22V
VFB=12 force driver off
Standby Quiescent
Current
ON /OFF pin logic input
threshold voltage
ON /OFF pin=5V
VIN=22V
Low (regulator ON)
High (regulator OFF)
Min.
255
220
10
3.6
-
2.0
Typ.
-10
300
30
1.4
100
0
4.5
-5
5
70
1.3
IH
ON /OFF pin logic
input current
VLOGIC=2.5V (OFF)
IL
ON /OFF pin input
VLOGIC=0.5V (ON)
-0.1
current
ΘJC Thermal Resistance
TO220-5L Junction to
TO263-5L case
2.5
3.5
Thermal Resistance
ΘJA With copper area of
approximately 3 in2
TO220-5L Junction to
TO263-5L ambient
28
23
Specifications with boldface type are for full operating temperature range, the other type are for TJ=25ºC.
Max.
-50
-100
345
345
50
1.6
1.7
5.5
6.5
-200
10
150
200
0.6
-
-0.01
-1
Unit
nA
KHz
KHz
V
%
A
uA
mA
mA
uA
V
uA
oC/W
oC/W
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Oct 29, 2004
3/12
Share Link: 