NCP1444 데이터 시트보기 (PDF) - ON Semiconductor
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NCP1444 Datasheet PDF : 20 Pages
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NCP1442, NCP1443, NCP1444, NCP1445
3.3 V
10 mH
+
33 mF
+
33 mF
+
33 mF
7
1 VC
VCC
VSW
5
3 NC
2
FB
220 pF
0.01 mF
SS 6 SS
4
GND
GND
5.1 k
VSW
MBRS320T3
22 k
5 VOUT/1.5 A
7.5 k
+
33 mF
+
+
33 mF 33 mF
GND
Figure 1. Application Diagram − NCP1442/4,
3.3 V to 5.0 V/1.5 A Boost Converter
MAXIMUM RATINGS
Rating
Value
Unit
Thermal Resistance Junction−to−Air, TO220−7 Version In Air (Socketed)
Thermal Resistance Junction−to−Air, TO220−7 Version On Cold Plate (25°C)
66.7
°C/W
1.45
Thermal Resistance Junction−to−Air, PowerFLEX on 2.1 sq. in. 1 oz.
53.8
°C/W
Junction Temperature Range, TJ
Storage Temperature Range, TSTORAGE
Lead Temperature Soldering: Reflow (Note 1)
0 to +150
°C
−65 to +150
°C
230 Peak
°C
ESD, Human Body Model
2.0
kV
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
1. 60 second maximum above 183°C.
MAXIMUM RATINGS
Pin Name
IC Power Input
Shutdown/Sync
Loop Compensation
Voltage Feedback Input
Negative Feedback Input
(Transient, 10 ms)
Test Pin
Ground
Switch Input
Pin Symbol
VCC
SS
VC
FB
(NCP1442/4 only)
NFB
(NCP1443/5 only)
Test
GND
VSW
VMAX
30 V
30 V
6.0 V
10 V
10 V
6.0 V
0.3 V
40 V
VMIN
−0.3 V
−0.3 V
−0.3 V
−0.3 V
−10 V
−0.3 V
−0.3 V
−0.3 V
ISOURCE
N/A
1.0 mA
10 mA
1.0 mA
1.0 mA
1.0 mA
9.0 A
10 mA
ISINK
200 mA
1.0 mA
10 mA
1.0 mA
1.0 mA
1.0 mA
10 mA
9.0 A
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