STK740-420 查看數據表（PDF） - SANYO -> Panasonic
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STK740-420 Datasheet PDF : 10 Pages
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STK740-441
Series Construction
This product is listed in a product series due to its property such as output voltage, output current, package, and other
similar items. Since some prducts listed in the table below is under development, please refer to your Sanyo sales
representative for details.
Type number
Input voltage Output voltage Output current
Package dimensions
(output pins not included)
∗
STK740-411
∗
STK740-420
STK740-441
STK740-450
STK740-471
4 to 8V
4 to 8V
4 to 8V
2.5V
2.5V
3.3V
5A
26 × 37 × 4.5mm,12pins
10A
25.5 × 46.6 × 8.5mm,12pins
5A
26 × 37 × 4.5mm,12pins
10A
25.5 × 46.6 × 8.5mm,12pins
5A
26 × 37 × 4.5mm,12pins
STK740-470
STK740-480
STK740-490
* : Under planning
8 to 18V
5.0V
5A
25.5 × 46.6 × 8.5mm,12pins
10A
25.5 × 46.6 × 8.5mm,12pins
15A
25.5 × 46.6 × 8.5mm,12pins
Specifications
Maximum Ratings at Ta = 25˚C, Tc = 25˚C, unless otherwise specified.
Parameter
Operating IC substrate temperature
Operating temperature
Storage temperature
DC input voltage
Symbol
Tc max
Topr
Tstg
VIN max
Pins 6, 11, and 12
Conditions
Ratings
Unit
+105 ˚C
–10 to +85 ˚C
–30 to +115 ˚C
10 V
Recommended Operating Conditions at Ta = 25˚C
Parameter
Operating IC substrate temperature
DC input voltage
Load current
Symbol
Tc
VIN
Io
Conditions
In the recommended circuit
In the recommended circuit
Ratings
Unit
0 to +85 ˚C
4.5 to 6.5 V
1 to 5 A
Electrical Characteristics at Tc = 25˚C, in the specified circuit, VIN = 5V, IO = 1A, unless othrwise specified
Parameter
Symbol
Conditions
Ratings
Unit
min typ max
Output voltage
Vo
3.2
3.3
3.4 V
Load regulation
∆VO Io=1A to 5A
50 mV
Efficiency
η
Io=2.5A
88
%
Operating frequency
fosc
45
50
55 kHz
Cutoff current
On/off circuit
ICUT
Voff
6pin, latch mode
1pin
1.6
mA
0.22 0.32 V
Output voltage temperature coefficient
TCVO Tc=+25 to +85˚C
±1.7
mV/˚C
No.6106–2/10
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