PQ3RD23 데이터 시트보기 (PDF) - Sharp Electronics
부품명
상세내역
일치하는 목록
PQ3RD23 Datasheet PDF : 7 Pages
| |||
Low Power-Loss Voltage Regulators
PQ05RD21 Series/PQ3RD23
s Electrical Characteristics
(Unless otherwise specified, Io=1.0A, ❇4, Ta=25˚C)
Parameter
PQ3RD23
Output voltage
PQ05RD21
PQ09RD21
PQ12RD21
Load regulation
Line regulation
PQ3RD23
PQ05RD21 series
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
❇7 ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
Symbol
VO
RegL
RegI
TCVO
RR
Vi-O
VC(ON)
IC(ON)
VC(OFF)
IC(OFF)
Iq
Conditions
❇4
Io=5mA to 2.0A, ❇4
❇5, IO=5mA
Tj=0 to 125˚C, Io=5mA
Refer to Fig.2
❇6, Io=2A
❇4
VC=2.7V, ❇4
❇4
VC=0.4V, ❇4
IO=0A, ❇4
MIN.
3.201
4.85
8.73
11.64
––
––
––
––
45
––
2.0
––
––
––
––
TYP.
3.3
5.0
9.0
12.0
0.1
0.1
0.5
±0.02
55
––
––
––
––
––
––
MAX.
3.399
5.15
9.27
12.36
2.0
2.5
2.5
––
––
0.5
––
20
0.8
–0.4
10
Unit
V
%
%
%/˚C
dB
V
V
µA
V
mA
mA
❇4 PQ3RD23:VIN=5V, PQ05RD21:VIN =7V, PQ09RD21:VIN =11V, PQ12RD21: VIN =14V
❇5 PQ3RD23:VIN=4 to 10V, PQ05RD21:VIN = 6 to 12V, PQ09RD21:VIN =10 to 16V, PQ12RD21: VIN =13 to 19V
❇6 Input voltage shall be the value when output voltage is 95% in comparison with the initial value. PQ3RD23:VIN=3.7V
❇7 In case of opening control teminal 4 , output voltage turns on.
Fig. 1 Test Circuit
Fig. 2 Test Circuit of Ripple Rejection
VIN
1
0.33µF
47µF VO
2
4 VC
A IO
+
3
A
V
A Iq
RL
IC
1
ei
VIN 0.33µF
2
4 47µF
+
IO
+
3
RL V eo
Fig. 3 Power Dissipation vs. Ambient
Temperature
20
PD1 :No heat sink
PD2 :With infinite heat sink
;;; 15
PD2
10
;;; 5
;;; PD1
0
;;; –20 0
20 40 60 80
Ambient temperature Ta (˚C)
Note) Oblique line portion : Overheat protection may operate in this area.
f=120Hz (sine wave)
ei(rms)=0.5V
VIN=5V (PQ3RD23)
7V (PQ05RD21)
11V (PQ09RD21)
14V (PQ12RD21)
IO=0.5A
RR=20 log (ei(rms)/eo(rms))
Fig. 4 Overcurrent Protection
Characteristics (Typical Value)
(PQ3RD23)
12
11
10
9
8
7
6
5
4
Vi-O=1V
3
2
Vi-O=0.5V
Vi-O=3V
1
Vi-O=2V
0
1.0
2.0
3.0
4.0
Output current IO (A)
Share Link: 