SHARP PQ3TZ50

Low Power-Loss Voltage Regulators
PQ3TZ50/PQ3TZ53
PQ3TZ50/PQ3TZ53
3.0V/3.3V Output Surface Mount Type Low Power-Loss Voltage Regulators
■ Features
■ Outline Dimensions
¡Low power-loss (Dropout voltage : MAX. 0.5V)
¡Surface mount type package (equivalent to EIAJ SC-63)
¡Output current : MAX.0.5A
¡Low dissipation current at OFF-state (Iqs : MAX.5µA)
¡Built-in ON/OFF cotrol function
¡Output voltage precision : ±2.5%
¡Output voltage : (3.0V : PQ3TZ50)
(3.3V : PQ3TZ53)
¡Tape packaged type is also available. (Reel : 3 000pcs.)
(Unit : mm)
2.3±0.5
6.6MAX
5.2±0.5
(0.5)
9.7MAX
3
(1.7)
5.5±0.5
3TZ50
(0to0.25)
2.5MIN
0.5 +0.2
-0.1
4-(1.27)
(0.9)
■ Applications
(0.5)
¡Personal computers
¡Personal information tools (PDA)
¡Various OA equipment
12345
Internal connection diagram
1
3
Specific IC
5
■ Absolute Maximum Ratings
*1
*1
*2
*3
*1
*2
*3
Parameter
Input voltage
ON/OFF control terminal voltage
Output current
Power dissipation
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
2
1 DC input (VIN)
2 ON/OFF control terminal (VC)
3 DC output (VC)
4 NC
5 GND
Heat sink is common to 3 (VO).
(Ta=25˚C)
Symbol
VIN
VC
IO
PD
Tj
Topr
Tstg
Tsol
Rating
10
10
0.5
8
150
-20 to +80
-40 to +150
260 (For 10s)
Unit
V
V
A
W
˚C
˚C
˚C
˚C
All are open except GND and applicable terminals.
PD:With infinte heat sink.
Overheat protection may operate at 125=<Tj=<150˚C
· 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
PQ3TZ50/PQ3TZ53
■ Electrical Characteristics
(VC=2.7V, Ta=25˚C)
Parameter
PQ3TZ50
PQ3TZ53
PQ3TZ50
PQ3TZ53
Input voltage
Output voltage
Symbol
Conditions
VIN
VIN=5V, IO=0.3A
VO
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 consumption current
RegL
RegI
TCVO
RR
Vi-O
VC (ON)
IC (ON)
VC (OFF)
IC (OFF)
Iq
Iqs
MIN.
3.4
3.7
2.925
3.218
45
2.0
-
VIN=5V, IO=5mA to 0.5A
VIN=4V to 10V, IO=5mA
VIN=5V, IO=5mA, Tj=0 to125˚C
Refer to Fig. 2
*4, IO=0.3A
VIN=5V, IO=0.3A, *5
VIN=5V, IO=0.3A
VIN=5V
VIN=5V, IO=0.4V
VIN=5V, IO=0A
VIN=5V, VC=0.4V, IO=0.3A,
TYP.
3.0
3.3
0.2
0.1
±0.01
60
-
MAX.
10.0
10.0
3.075
3.382
2.0
2.5
0.5
200
0.8
2
10
5
PQ3TZ50:VIN=3.4V
PQ3TZ53:VIN=3.7V
*5 In case of opening control terminal 2, output voltage turns off.
*4
Fig.1
VIN
Test Circuit
1
●
5
●
A
VC
A
Iq
1
●
3
●
VC
2
●
~ ei
IO
+
A
Test Circuit for Ripple Rejection
VO
47µF
3
●
2
●
0.33µF
Fig.2
VIN
0.33µF
IO
+
5
●
V
RL
47µF +
RL V
~ eo
2.7V
IC
f=120Hz (sine wave)
ei=0.5Vrms
VIN=5V
IO=0.3A
RR=20 log (ei/eo)
Power Dissipation vs. Ambient
Temperature
Power dissipation PD (W)
10
PD:With infinite heat sink
PD
5
0
-20 0
50
80 100
150
Ambient temperature Ta (˚C)
Note) Oblique line portion:Overheat protection may
operate in this area.
Fig.4
100
Relative output voltage (%)
Fig.3
Overcurrent Protection
Characteristics(Typical Value)
Ta =25˚C
Vi-o=0.5V
Vi-o=1V
80
60
Vi-o=5V
40
Vi-o=2V
20
0
0
0.5
1.0
1.5
Output current IO (A)
2.0
Unit
V
V
%
%
%/˚C
dB
V
V
µA
V
µA
mA
µA
Low Power-Loss Voltage Regulators
Fig.5
Output Voltage Deviation vs.
Junction Temperature
(PQ3TZ50/PQ3TZ53)
PQ3TZ50/PQ3TZ53
Fig.6
4
Ta =25˚C
VIN=5V
IO=0.3A
20
Output voltage VO (V)
Output voltage deviation ∆VO (mV)
30
10
0
-10
3
RL=6Ω
RL=∞
RL=10Ω
2
1
-20
-30
-25
0
0
25
50
75
100
Junction temperature Tj (˚C)
125
Fig.7 Output Voltage vs. Input Voltage
(PQ3TZ53)
3
Fig.9
RL=6Ω
RL=10Ω
2
1
0
0
1
2
3
4
5
Input voltage VIN (V)
40
6
Ta =25˚C
30
20
RL=10Ω
RL=∞
10
0
2
3
4
5
Input voltage VIN (V)
6
1
2
3
4
5
Input voltage VIN (V)
6
Fig.10 Dropout Voltage vs. Junction
Temperature
(PQ3TZ50/PQ3TZ53)
Dropout voltage Vi-O (V)
RL=6Ω
RL=6Ω
RL=10Ω
RL=∞
10
0.5
30
1
2
3
4
5
Input voltage VIN (V)
Circuit Operating Current vs. Input
Voltage
(PQ3TZ50)
0
Ta =25˚C
0
1
0
6
Circuit Operating Current vs. Input
Voltage
(PQ3TZ53)
20
0
40
Ta =25˚C
RL=∞
Fig.8
Circuit operating current IBIAS (mA)
Output voltage VO (V)
4
Circuit operating current IBIAS (mA)
Output Voltage vs. Input Voltage
(PQ3TZ50)
VIN :Value when output voltage is 95%
in comparison with the initial value.
0.4
0.3
0.2
0.1
0
-25
IO=0.5A
IO=0.4A
IO=0.3A
IO=0.2A
IO=0.1A
0
25
50
75
100
Junction temperature Tj (˚C)
125
Low Power-Loss Voltage Regulators
3.0
2.5
Fig.12 Quiescent Current vs. Junction
Temperature(Typical Value)
(PQ3TZ50/PQ3TZ53)
5
VIN =5V
IO=0.3A
VIN =5V
IO =0A
Quiescent current Iq (mA)
ON-state voltage for control VC(ON) (V)
Fig.11 ON-state Voltage for Control vs.
Junction Temperature(Typical Value)
(PQ3TZ50/PQ3TZ53)
PQ3TZ50/PQ3TZ53
2.0
1.5
1.0
0.5
0
-25
0
25
50
75
100
Junction temperature Tj (˚C)
2
1
0
25
50
75
100
Junction temperature Tj (˚C)
2.0
VIN-VO =5V
Output peak current IOP (A)
70
60
50
40
30
20
VIN=5V
10 Io=0.3A
ei=0.5Vrms
0
0.1
1
10
Input ripple frequency f (kHz)
100
1.5
2V
1V
1.0
0.5V
0.5 IOP:Output current when
Output voltage is 95%
in comparison with
the initial value
0
-25
0
25
50
75
100
Junction temperature Tj (˚C)
Fig.15 Power Dissipation vs. Ambient
Temperature(Typical Value)
Power dissipation PD (W)
3
Cu area 740mm2
2
125
Fig.14 Output Peak Current vs. Junction
Temperature(Typical Value)
(PQ3TZ50/PQ3TZ53)
80
Ripple rejection RR (dB)
3
0
-25
125
Fig.13 Ripple Rejection vs. Input Ripple
Frequency
(PQ3TZ50/PQ3TZ53)
4
Cu area 180mm2
Cu area 100mm2
PWB
PWB
Cu
1
Material
: Glass-cloth epoxy resin
Size
: 50X50X1.6mm 3
Cu thickness : 35µm
Cu area 70mm2
Cu area 36mm2
0
-20
60
80
0
20
40
Ambient temperature Ta (˚C)
100
125
Low Power-Loss Voltage Regulators
PQ3TZ50/PQ3TZ53
■ Model Line-ups for Tape-packaged Products
Output current
0.5A output
1.0A output
Sleeve-packaged products
Standard type
High-precision output type
PQ3TZ50
PQ3TZ53
Tape-packaged products
Standard type
High-precision output type
PQ3TZ50U
PQ3TZ53U