PQ30RV31 데이터 시트보기 (PDF) - Sharp Electronics
부품명
상세내역
제조사
PQ30RV31 Datasheet PDF : 5 Pages
| |||
Low Power-Loss Voltage Regulators
PQ30RV31
s Electrical Characteristics
(Unless otherwise specified, condition shall be VIN=12V, Vo=10V, Io=1.5A, R1=390Ω, Ta=25˚C)
Parameter
Symbol
Conditions
MIN. TYP. MAX. Unit
Input voltage
output voltage
Load regulation
Line regulation
Ripple rejection
Reference voltage
Temperature coefficient of reference voltage
Dropout voltage
Quiescent current
VIN
VO
RegL
RegI
RR
Vref
TcVref
Vi-O
Iq
−
−
IO=5mA to 3A
VIN=11 to 21V, IO=0.5mA
Refer to Fig. 2
−
Tj=0 to 125˚C,IO=5mA
❇3, IO=3A
❇3, IO=2A
IO=0
4.5
−
35
V
1.5
−
30
V
−
0.5
2.0
%
−
0.5
2.5
%
45
70
−
dB
1.225 1.25 1.275
V
−
±1.0
−
%/˚C
−
−
0.3
1.0
0.2
0.5
V
−
−
7
mA
❇3 Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
Fig. 1 Test Circuit
VIN
1
0.33µF
2
R2
34
R1
A Iq 390Ω
47µF VO
A IO
+
Vref
V
V
RL
VO=Vref × 1+ ––R––2–
R1
[R1=390Ω,Vref Nearly=1.25V]
Fig. 2 Test Circuit of Ripple Rejection
+
1
2
ei
R2
IO
IO=0.5A, VIN=12V, VO=10V
VIN
34
47µF +
V eo
f=120Hz(sine wave)
ei(rms)=0.5Vrms
0.33µF
R1
390Ω
RL
RR=20 log(ei(rms)/eo(rms))
Fig. 3 Power Dissipation vs. Ambient
Temperature
40
PD1 :No heat sink
PD2 :With infinite heat sink
30
PD2
20
10
PD1
0
0
50
100
150
Ambient temperature Ta (˚C)
Note) Oblique line portion : Overheat protection may operate in this area.
Fig. 4 Overcurrent Protection Characteristics
(Typical Value)
100
80
60
40
20
0
0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
Output current IO (A)
Share Link: 