Low Power-Loss Voltage Regulators
PQ7RV4
PQ7RV4
Variable Output (1.5 to 7V), 4.6A Output Low Power-loss Voltage Regulator
s Features
¡Low power-loss (Dropout voltage : MAX.0.5V at Io=4.0A) (Dropout voltage : MAX.1.0V at Io=4.6A) ¡TO-220 package ¡1.5V to 7V/4.6A output type ¡Low operating voltage (Minimum operating voltage:3.0V) ¡High-precision reference voltage type Reference voltage precision : ±2.0% ¡Built-in ON/OFF control function ¡Built-in overcurrent protection, overheat protection function
s Outline Dimensions
10.2MAX 4.5±0.2
(Unit : mm)
2.8±0.2
7.4±0.2
4.8MAX
(0.5)
29.1MAX
PQ7RV4
4-1.4
+0.3 -0
13.5MIN
4-0.6
+0.2 -0.1
(1.5)
s Applications
¡Power supplies for various electronic equipment such as personal computers
1 q 2 q 3 q 4 q
3-(2.54)
Internal connection diagram
1 Control circuit 2 4 1 DC input (VIN) 2 DC output (VO) 3 GND 4 Output adjustment terminal (VADJ)
3
s Absolute Maximum Ratings
Parameter
*1 *1
(Ta=25˚C) Symbol VIN VADJ IO PD1 PD2 Tj Topr Tstg Tsol Rating 10 5 4.6 1.8 18 150 -20 to +80 -40 to +150 260 (For 10s) Unit V V A W ˚C ˚C ˚C ˚C
Input voltage ON/OFF control terminal voltage Output current Power dissipation Junction temperature Operating temperature Storage temperature Soldering temperature
*2 *3
*1 *2 *3
All are open except GND and applicable terminals. PD1: No heat sink, PD2: With infinite heat sink Overheat protection may operate at 125=