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PQ7DV5 데이터시트 PDF




Sharp에서 제조한 전자 부품 PQ7DV5은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 PQ7DV5 기능
기능 Variable Output Type / High Output Current (5A) Type Low Power-loss Voltage Regulators
제조업체 Sharp
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PQ7DV5 데이터시트, 핀배열, 회로
Low Power-Loss Voltage Regulators
PQ7DV5
PQ7DV5
Variable Output Type, High Output Current (5A) Type Low Power-loss Voltage Regulators
s Features
¡TO-3P package
¡Low power-loss (Dropout voltage:MAX. 0.5V at Io=5A)
¡Variable output type (1.5V to 7V)
¡Minimum input voltage : 3.0V
¡High output current type (5A)
¡Reference voltage precision : ±2.0%
¡Built-in ON/OFF control function
¡Built-in overcurrent protection, overheat protection
function
s Outline Dimensions
(Unit : mm)
17.0MAX
4.5±0.2
6
2.0±0.2
PQ7DV5
(1.4)
s Applications
¡Power supplies for various electronic equipment such as
personal computers
4-(2.54)
5-0.8±0.2
12345
(0.6)
Internal connection diagram
1
controller
Reference comparator
voltage
2 1 DC input (VIN)
2,6 DC output (VO)
3 GND
4 4 ON/OFF control
terminal (VC)
5 5 Output voltage
minute
adjustment
3 terminal (VADJ)
s Absolute Mximum Ratings
Parameter
*1 Input voltage
*1 ON/OFF control terminal voltage
*1 Output adjustment terminal voltage
Output current
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
*2 Junction temperature
Operating temperature
Storage temperature
Soldering temperature
*1 All are open except GND and applicable terminals.
*2 Overheat protection may operate at 125=<Tj=<150˚C.
Symbol
VIN
VC
VADJ
IO
PD1
PD2
Tj
Topr
Tstg
Tsol
(Ta=25˚C)
Rating
Unit
10 V
10 V
5V
5.0 A
2.2 W
60 W
150 ˚C
-20 to +80
˚C
-40 to +150 ˚C
260(For 10s) ˚C
· Please refer to the chapter“ Handling Precautions ”.
“ In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices
shown in catalogs,data books,etc.Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device. ”




PQ7DV5 pdf, 반도체, 판매, 대치품
Low Power-Loss Voltage Regulators
Fig.11 Ripple Rejection vs. Junction
Temperature
100
80
60
40
VIN=5V
20 VO=3V(R1=2k,R2=2.8k)
IO =0.5A,ei=0.5Vrms
f=120Hz
0
-25 0 25 50 75
100
Junction temperature Tj (˚C)
125
PQ7DV5
s Standard Connection
D1
VIN 1q 2q
+
R2
4q 3q
5q
Cref
+
CIN
R1 2k
CO
VO
ON/OFF
signal
High or Open :Output ON
Low :Output OFF
D1 : This device is necessary to protect the element from damage when reverse voltage may be applied to the regulator in case of
input short-circuiting.
Cref : This device is necessary when it is required to enhance the ripple rejection or to delay the output start-up time*. Otherwise, it
is not necessary.
(Care must be taken since Cref may raise the gain, facilitating oscillation.)
* The output start-up time proportional to Cref X R2.
CIN, CO : Be sure to mount the devices CIN and CO as close to the device terminal as possible so as to prevent oscillation.
The standard specification of CIN= 0.33µF ,CO= 47µF, respectively. However, adjust them as necessary after checking.
R1, R2 : These devices are necessary to set the output voltage. The output voltage VO is given by the following formula:
VO=Vref X (1+R2/R1)
(Vref is 1.25V TYP)
The standard value of R1 is 2. But value up to 10k.

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