Low Power-Loss Voltage Regulators PQxxxEH01Z Series
查询PQ015EH01ZP供应商
PQxxxEH01Z Series
Low Voltage Operation Low Power-Loss Voltage Regulators
Features
■
●
Low voltage operation (Minimum operating voltage: 2.35V)
2.5V input → available 1.5 to 1.8V output
●
Large output current type (IO: 1A)
●
Low dissipation current
(Dissipation current at no load: MAX. 2mA
Output OFF-state dissipation current: MAX.5µA)
●
Low power-loss
●
Built-in overcurrent and overheat protection functions
●
TO-263 package
Applications
■
●
Peripheral equipment of personal computers
●
Power supplies for various electronic equipment such as
DVD player or STB
Model Line-up
■
Output
current (IO)
1A
Package
type
Taping
Sleeve
PQ015EH01ZP
PQ015EH01ZZ
Output voltage (VO)
1.8V1.5V 2.5V
PQ018EH01ZP
PQ018EH01ZZ
PQ025EH01ZP
PQ025EH01ZZ
Outline Dimensions
■
MAX.
10.6
±0.5
3.28
(0.55)
015EH01
±0.5
MAX.
8.4
13.7
(0.6) (0.6)
(0.45)
+0.2
1.05
–0.1
+0.2
3–0.9
–0.1
1
1
Specific IC
1
DC input (V
2
ON/OFF control terminal (V
3
DC output (VO)
4
NC
5
GND
6
DC output (VO)
( ) : Typical dimensions
5
IN)
(0.45)
4–(1.7)
5432
ø2
1.05
3
2
6
Epoxy resin
+0.2
–0.1
C)
3.5
(0.6)
±0.5
(Unit : mm)
(0.6)
(2.4)( 1.3)
0 to 0.25
Absolute Maximum Ratings
■
Parameter Symbol Rating Unit
Input voltage
❇1
ON/OFF control terminal voltage
Output current
❇2
Power dissipation
❇3
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
❇1 All are open except GND and applicable terminals.
:With infinite heat sink
❇2 P
D
❇3 Overheat protection may operate at T
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.
Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/
IN
V
V
C
O
I
D
T
j
T
opr
T
stg
T
sol
=125˚C to 150˚C.
j
(Ta=25°C)
10
10
1
35 WP
150
−40 to +85
˚C
˚C
−40 to +150 ˚C
260 (10s) ˚C
V
V
A
•Please refer to the chapter " Handling Precautions ".
Low Power-Loss Voltage Regulators PQxxxEH01Z Series
Electrical Characteristics
■
Parameter Symbol Conditions
Input voltage
Output voltage
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
❇4
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
Output OFF-state dissipation current
❇4 In case of opening control terminal , output voltage turns off
Input Voltage Line-up
■
Model No. Symbol Conditions
PQ015EH01Z
PQ018EH01Z
PQ025EH01Z
2
V
IN
V
IN
V
IN
(Unless otherwise specified, condition shall be VIN=VO(TYP)+1V, IO=0.5A, VC
MIN.
VIN
VO
RegL
R
egI
VIN=VO(TYP)+1V to VO(TYP)+6V, IO=5mA
T
CVO
Tj=0 to 125˚C, IO=5mA
RR
V
C (ON)
IC (ON)
VC (OFF)
IC (OFF)
Iq
Iqs
−
−
I
O=5mA to 1A
Refer to Fig.2
−
−
−
C=0.4V
V
IO=0A
O=0A, VC=0.4V
I
Refer to below table
Refer to below table
−
0.2
−
0.1
−−
±0.01
45
60
2
−
−
−
−
−
−
−
−
1mA
−
−
MIN.
2.35 − 10 V
I
O
=0.5A, VC=2.7V, Ta=25˚C
2.35 − 10
3
− 10
=2.7V, Ta=25˚C)
MAX.TYP.
Unit
V
V
2.0
1.0
%
%
%/˚C
−
dB
−
V
200
µA
0.8
V
µA
2
2
µA
5
MAX.TYP.
Unit
V
V
Output Voltage Line-up
■
Model No. Symbol Conditions
PQ015EH01Z
PQ018EH01Z
PQ025EH01Z
Fig.1 Test Circuit
V
IN
0.33µF
MIN.
V
O
V
O
V
O
V
IN=VO
(TYP)+1V, IO=0.5A, VC=2.7A, Ta=25˚C
1
5
A
3
2
I
q
V
C
I
A
C
1.45 1.5 1.55 V
1.75 1.8 1.85
2.438
+
47µF
MAX.TYP.
2.5 2.562
I
A
O
R
L
Unit
V
V
V
O
V
Low Power-Loss Voltage Regulators PQxxxEH01Z Series
Fig.2 Test Circuit for Ripple Rejection
1
ei
~
V
IN
0.33µF
5
Fig.3 Power Dissipation vs. Ambient
Temperature
40
PD : With infinite heat sink
35
30
(W)
D
25
20
15
Power dissipation P
10
5
0
−40 −200 20406080100
Note) Oblique line portion:Overheat protection may operate in this area.
Fig.5
Ambient temperature Ta (°C)
Overcurrent Protection Characteristics
(Typical Value, PQ018EH01Z)
1.8
1.6
1.4
(V)
1.2
O
1
0.8
0.6
Output voltage V
0.4
0.2
0
0 0.5 1 1.5 2
VIN=2.35V
VIN=2.5V
VIN=3V
VIN=3.3V
VIN=5V
Output current IO (A)
3
V
C
2
2.7V
Fig.4
+
47µF
f=120Hz(sine wave)
ei(rms)=0.5V
V
(TYP)+2V
IN=VO
=0.3A
I
O
RR=20log(ei(rms)/eo(rms))
Overcurrent Protection Characteristics
+
I
O
R
L
eo
V
~
(Typical Value, PQ015EH01Z)
1.5
1.2
(V)
O
0.9
0.6
Output voltage V
0.3
0
0 0.5 1 1.5 2
Fig.6
Overcurrent Protection Characteristics
VIN=2.35V
VIN=2.5V
VIN=3V
VIN=3.3V
VIN=5V
Output current IO (A)
(Typical Value, PQ025EH01Z)
2.5
2
(V)
O
1.5
1
Output voltage V
0.5
0
0 0.5 1 1.5 2
VIN=3V
VIN=3.3V
VIN=3.6V
VIN=4.5V
VIN=5V
Output current IO (A)