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PQ1LAX95MSPQ
PQ1LAX95MSPQ
Compact Surface Mount Type Low Power-Loss Voltage Regulators
Features
1.Compact surface mount package (4.5x4.3x1.5mm) 2.Output current : MAX.500mA 3.Power dissipation : MAX.900mW (At mounting PCB shown in Fig.3) 4.Built-in ON/OFF control function 5.Built-in overcurrent, overheat protection functions 6.Use of ceramic capacitor is possible as output smooth capacitor 7.RoHS directive compliant
Outline Dimensions
(Unit : mm)
1.60.2 0.420.1 5 2 0.420.1 4 0.420.1 0.90.2 Model No. 0.40.05
LX9
A
2.50.2 0.90.2 1.50.2
Applications
1.Power supplies for various electronic equipment such as AV, OA equipment
1 0.420.1
2 0.470.1 4.50.2
3 0.420.1
4.30.3 Lot No.(OLD DIN standard)
( ) : Typical dimensions
Product mass:(0.055g)
1.50.2
1.50.2
Absolute Maximum Ratings
(Ta=25C) Parameter
*1
Internal connection
4 5
Symbol
VIN
VC VADJ IO PD Tj Topr Tstg Tsol
Rating
15 15 5 500 900 150
Unit
V V V mA mW C C C C
3
2
1 2 3 4 5
Input voltage control voltage Output adjustment pin voltage dissipation temperature
IC
1
*1 Output *1
Output current
*2 Power *3 Junction
Output voltage adjustment (VADJ) GND ON/OFF control (VC) DC input (VIN) DC output (VO)
Operating temperature Storage temperature Soldering temperature
-40 to +85
-55 to +150 270(10s)
Lead finish:Lead-free solder plating (Composition: SnBi)
*1 All are open except GND and applicable terminals. *2 At surface-mounted condition *3 Overheat protection may operate at Tj:125C to 150C
Notice The content of data sheet is subject to change without prior 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.
1
Sheet No.: OP06054
PQ1LAX95MSPQ Electrical Characteristics
(Unless otherwise specified condition shall be VIN=3.5,VO=2.48V(R1=R2=10k),IO=30mA,VC=1.8V,Ta=25C)
Symbol VIN VO Output voltage Reference voltage Vref Load regulation RegL Line regulation RegI Temperature coefficient of Reference voltage TCVref Ripple rejection RR Vno(rms) Output noise voltage Dropout voltage VI-O 4 VC(ON) On-state voltage for control IC(ON) On-state current for control VC(OFF) Off-voltage for control Iq Quiescent current Iqs Output off-state consumption current Input voltage
Parameter
Conditions IO=5 to 500mA VIN=3.5V to 8.5V IO=10mA, Tj=0 to 100C Refer to Fig.2 10HzMIN. 2.5 Vref 1.215 1.8
TYP. 1.24 35 6 1.0 50 180 5 400
MAX. 15.0 9.0 1.265 100 20 0.7 30 0.4 700 1
Unit V V V mV mV % dB V V V A V A A
4 In case that the control terminal ( pin) is non-connection,output voltage should be OFF state.
Fig.1 Standard measuring circuit of Regulator portion
4 5 R2 VIN 1F A VC
IC(ON)
A RL
Io V Vo
3
2 A
1
Iq,Iqs
1F R1
VO=Vref x(1+R2/R1) (R1=10k,Vref1.24V)
Fig.2 Standard measuring circuit of critical rate of ripple rejection
+
4
ei
5 R2
VIN
1F
3
2
1 R1 10k
1F
RL
eo V
VC
f=400Hz Sine wave ei(rms)=100mV VIN=3.5V VC=1.8V VO=2.48V(R1=10k) IO=30mA RR=20log {ei(rms)/Eo(rms)}
Sheet No.: OP06054
2
PQ1LAX95MSPQ
Fig.3 Power Dissipation vs. Ambient Temperature
1000 900 800 700 600 500 400 300 200 100 0 -40 -25
Mounting PCB PCB Copper foil
Power dissipation PD (mW)
Material PCB Size Copper foil area Thickness of copper
Ambient temperature Ta (C) Note) Oblique line portion:Overheat protection may operate in this area.
0
25
50
75 85 100 125
150
Fig.4 Overcurrent Protection Characteristics
100
Fig.5 Output Voltage vs. Input Voltage (Typical Value)
3
RL=82.7
Relative output voltage (%)
75
Output voltage VO (V)
2
RL=9.92
50
RL=4.96
1
Ta=25C VC=1.8V R1=R2=10k CIN=CO=1F (Ceramic capacitor)
25
0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
0
1
2
3
4
Output current IO (A)
Input voltage VIN (V)
Fig.6 Circuit Operating Current vs. Input Voltage (Typical Value)
Circuit operating current IBIAS (mA)
3
Ta=25C VC=1.8V R1=R2=10k CIN=CO=1F (Ceramic capacitor)
Fig.7 Quiescent Current vs. Junction Temperature (Typical Value)
800 700 600 500 400 300 200 100 0 -40 -20 0 20 40
VIN=3.5V VC=1.8V R1=R2=10k CIN=CO=1F (Ceramic capacitor)
2
RL=4.96
1
RL=9.92
RL=
0 0
Quiescent current Iq (A)
1
2
3
4
5
6
7
60 80 100 120 140
Input voltage VIN (V)
Junction temperature Tj (C)
Sheet No.: OP06054
3
PQ1LAX95MSPQ
Fig.8 Dropout Voltage vs. Junction Temperature (Typical Value)
0.7 0.6
Fig.9 Output Voltage Deviation vs. Junction Temperature (Typical Value)
60
0.5 0.4 0.3 0.2 0.1 0 -40 -20
VIN=Input voltage when output voltage falls 0.1V from that at VIN=VO(TYP.)+1.0V VC=1.8V,R1=R2=10k CIN=CO=1F(Ceramic capacitor) IO=300mA
Output voltage deviation VO(mV)
Dropout voltage Vi-O(V)
VIN=3.5V,VC=1.8V, R1=R2=10k CIN=CO=1F(Ceramic capacitor) 40 IO=30mA,
20 0 -20 -40 -60 -40 -20
0
20
40
60 80 100 120 140
0
20
40
60 80 100 120 140
Junction temperature Tj (C)
Junction temperature Tj (C)
Fig.10 Dropout Voltage vs. Output Current (Typical Value)
1
Ta=25C,VIN=2.5V,VC=1.8V,R1=R2=10k CIN=CO=1F(Ceramic capacitor)
Fig.11 Ripple Rejection vs. Input Ripple Frequency (Typical Value)
60 50 40 30 20 10 Ta=25C,VIN=3.5V,VC=1.8V, 0
IO=30mA,R1=R2=10k CO=1F(Ceramic capacitor)
Dropout voltage VI-O (V)
0.75
0.5
0.25
0
0
100
200
300
400
500
Ripple rejection RR (dB)
Output current IO (mA)
0
1
10
100
Input ripple frequency f(kHz)
Fig.12 Output Peak Current vs. Junction Temperature (Typical Value)
0.7 0.6 0.5 0.4 0.3 0.2 0.1
IOP:Output current when output voltage falls 0.3V from that at IO=30mA. VIN=3.5V,VC=1.8V,R1=R2=10k CIN=CO=1F(Ceramic capacitor)
Example of application
4 5
R2
Output peak current IOP(A)
VIN CIN 3 2 1
Load
C
R1
ON/OFF signal High : Output ON Low or Open : Output OFF
0 -40 -20
0
20
40
60 80 100 120 140
Junction temperature Tj (C)
Sheet No.: OP06054
4

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