Low Power-Loss Voltage Regulators with OFF-state Low Dissipation Current
s
Features
¡Low
power-loss (Dropout voltage : MAX 0.5V)
¡Surface
mount type package (Equivalent to EIAJ SC-63)
¡Both
the 0.5A output
PQ05TZ51 series
and the 1A output
PQ05TZ11 series
have high-precision output (±2.5%)
¡Low
dissipation current at OFF-state (Iqs:MAX.5µA)
¡Built-in
ON/OFF control function
9.7MAX
5.5±0.5
s
Outline Dimensions
(Unit : mm)
6.6MAX
5.2±0.5
3
2.3±0.5
(0.5)
05TZ51
(1.7)
s
Model Line-ups
Output voltage
0.5A Output voltage
Output precision:±2.5%
1.0A Output voltage
Output precision:±2.5%
2.5MIN
(0to0.25)
5V Output
9V Output 12V Output
0.5
+0.2
-0.1
(0.9)
4-(1.27)
PQ05TZ51 PQ09TZ51 PQ12TZ51
PQ05TZ11 PQ09TZ11 PQ12TZ11
(0.5)
12345
Internal connection diagram
1
DC input (V
IN
)
2
ON/OFF control
terminal (V
C
)
3
DC output (V
O
)
4
NC
5
GND
Heat sink is common to
3
(V
O
).
1
Specific IC
5
3
2
s
Absolute Maximum Ratings
Parameter
*1
*1
(
XX
=05,09,12, T
a
=25˚C)
Symbol
V
IN
V
C
I
O
P
D
T
j
T
opr
T
stg
T
sol
*2
*3
Input voltage
Output control voltage
Output current
Power dissipation
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
Rating
Unit
PQ
XX
TZ51 PQ
XX
TZ11
24
V
24
V
0.5
1.0
A
8
W
150
˚C
-20 to +80
˚C
-40 to +150
˚C
260 (For 10s)
˚C
*1
All are open except GND and applicable terminals.
With infinite heat sink.
*3
Overheat protection may operate at 125˚C=<T
j
=<150˚C
*2
· Please refer to the chapter“ Handling Precautions ”.
“ 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 version of the device specification sheets before using any SHARP's device. ”
Low Power-Loss Voltage Regulators
PQ05TZ51/PQ05TZ11 Series
s
Electrical Characteristics
Parameter
PQ05TZ51/11
Output voltage
PQ09TZ51/11
PQ12TZ51/11
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
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
*3
(Unless otherwise specified,Vc=2.7V,T
a
=25˚C)
Symbol
V
O
R
eg
L
R
eg
I
T
C
V
O
RR
V
i
-
O
V
C
(
ON
)
I
C
(
ON
)
V
C
(
OFF
)
I
C
(
OFF
)
I
q
I
qs
*3,*7
Conditions
*3,*4
Io=5mA,
*8
T
j
=0 to 125˚C
Refer to Fig. 2
*7,*5
*3,*6,*7
*3,*7
*3
*3
,V
C
=0.4V
*3
,I
O
=0A
*3
,V
C
=0.4V,I
O
=0A
*3
,Io=5mA,
MIN.
4.88
8.78
11.7
-
-
-
45
-
2.0
-
-
-
-
-
TYP.
5.0
9.0
12.0
0.2
0.1
±0.01
60
0.2
-
-
-
-
4
-
MAX.
5.12
9.22
12.3
2.0
2.5
-
-
0.5
-
200
0.8
10
10
5
Unit
V
%
%
%/˚C
dB
V
V
µA
V
µA
mA
µA
PQ05TZ51/11:V
IN
= 7V
PQ09TZ51/11:V
IN
=11V
PQ12TZ51/11:V
IN
=14V
PQxxTZ51:Io=5mA
to 0.5A,
PQxxTZ51:Io=5mA
to 1.0A
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
In case of opening control terinal
2,
output voltage turns off.
PQxxTZ51:Io=0.3A, PQxxTZ11:Io=0.5A
PQ05TZ51/11:V
IN
=6V to 16V
PQ09TZ51/11:V
IN
=10V to 20V
PQ12TZ51/11:V
IN
=13V to 23V
*4
*5
*6
*7
*8
Fig.1
V
IN
Test Circuit
47µF
V
O
Fig.2
Test Circuit of Ripple Rejection
+
1
q
3
q
2
q
5
q
V
C
1
q
3
q
V
C
2
47µF
q
5
q
I
O
+
A
+
I
O
~
e
i
0.33µF
A
I
q
I
C
V
R
L
V
IN
0.33µF
R
L
V
e
o
~
A
2.7V
f=120Hz (sine wave)
e
i
=0.5V
rms
V
IN
= 7V (PQ05TZ51/11)
V
IN
=11V (PQ09TZ51/11)
V
IN
=14V (PQ12TZ51/11)
I
O
=0.3A
RR=20 log (e
i
/e
o
)
Low Power-Loss Voltage Regulators
Fig.3 Power Dissipation vs. Ambient
Temperature
10
Power dissipation P
D
(W)
Relative output voltage (%)
P
D
5
0
20
40
60
80
100
Ambient temperature T
a
(˚C)
Note) Oblique line portion : Overheat protection may
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