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 Under development New product
PQ07VR5MAZ Low Power-loss Voltage Regulator
Low Power-loss Voltage Regulator with Reset Function in Detecting Input Voltage Drop
General Description Sharp's PQ07VR5MAZ is a compact, surface mount, 0.5 A output type low power-loss voltage regulator with reset signal output function in detecting input voltage drop. It is suitable for malfunction prevention of microcomputers in various electronic equipment such as AV, OA equipment when it is turned-on or it is in error of operation. Outline Dimensions
6.6MAX
5.20.5 3
(Unit: mm)
2.30.5
(0.5)
9.7MAX
5.50.5
(1.7)
0.5+0.2 -0.1
(0 to 0.25)
2.5MIN
4-(1.27)
(1) Reset signal generating function. (The reset detection voltage can be custom-ordered in the range of 3.5 V to 4.5 V.) (2) Low power-loss (Dropout voltage : Max. 0.5 V at Io=0.3 A) (3) Compact, surface mount package. (Equivalent to SC-63.) (4) Output voltage variable type (1.5 V to 7.0 V) (5) Overcurrent protection and overheat protection function. (6) Tape-packaged products and sleeve-packaged products are available. Applications (1) Power supplies of AV, OA equipment, and various electronic equipment (2) CD-ROM drives and CD-R drives (3) DVD-ROM drives (Ta=25C) Symbol Rating Unit Parameter *1 Input voltage V VIN 10 V Output voltage adjustment terminal voltage Vadj 7 *1 Reset output voltage V Vr 10 Output current A IO 0.5 Reset output current mA Ir 5 Power dissipation (no heat sink) PD W 0.8 C Junction temperature Tj 150 *2 Operating temperature Topr -20 to +80 C Tstg -40 to +150 C Storage temperature Soldering temperature Tsol 260(For 10s) C
*1 All are open except GND and applicable terminals. *2 Overheat protection may operate at T = 125 to 150C.
(0.5)
1 DC input (Vin) 2 Output voltage adjustment terminal (Vad)
1 2
3 4
5
3 DC output (Vo) 4 Reset signal output (Vr) 5 GND
Internal Connection Diagram
1 Controller 4
Voltage detection/reset signal generation
3
Comparator
2
Reference voltage
5
Absolute Maximum Ratings
(Notice)
* 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 device specification sheets before using any SHARP device. * Specifications are subject to change without notice for improvement. * Data for Sharp's optoelectronic/power devices is provided on internet. ( Address http://www.sharp.co.jp/ecg/)
(Internet)
Tec. PW990101
69
(0.9)
Features
PQ07VR5MAZ Low Power-loss Voltage Regulator
Electrical Characteristics (Vin = 5V, Vo = 3 V (R1 = 1 k) and Io = 300 mA unless otherwise specified) (Ta=25C) Parameter Symbol Condition MIN. TYP. MAX. Unit - - 1.5 7.0 V Output voltage Vo 2.0 0.1 Io=5mA to 0.5A - % Load regulation RegL 0.5 Vin=5 to 7V,Io=5mA - 2.5 % Line regulation RegI RR - 45 Ripple rejection 60 - dB 1.27 Reference voltage 1.22 1.245 V Vref - Temperature coefficient of reference voltage TcVref - - %/C Tj=0 to 125C,Io=5mA 0.01 - Vin=3.4V,Io=0.3A - Dropout voltage 0.5 V Vi-o - - 5 Quiesent current Iq Io=0A mA 4.2 4.116 4.284 Vri Vr<0.8V,*4,Rr=10k V Reset threshold voltage = - Ir=5mA,Io=5mA V "L" reset output voltage Vrl 0.8 - Vri 150 Hysteresis voltage Io=5mA 200 50 mV
*4 Output voltage when Vr becomes Low, lowering input voltage.
Application Example to CD-ROM
5V
PQ07VR5M*Z Series
Microcomputer
Low power-loss regulator 200 to 500mA
Reset IC
Rr Vcc reset + Cr
Motor control
ON/OFF DSP
As of January 1999
Tec. PW990101
70


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