SHARP PQ3DF53

PQ3DF53
Low Power-Loss Voltage Regulators
PQ3DF53
3.3V Output, High Output Current (5A) Type Low Power-loss Voltage Regulator
■ Outline Dimensions
(Unit : mm)
17.0MAX
4.5±0.2
6
5±0.2
2.0±0.2
PQ3DF53
19±0.5
(1.4)
3.7MAX
■ Applications
¡Power supplies for various electronic equipment such as
personal computers
17.0MIN
¡TO-3P package
¡Low power-loss (Dropout voltage : MAX. 0.5V at Io=5A)
¡3.3V output
¡High output current (5A)
¡High-precision output voltage type
(Output voltage precision : ±2.5%)
¡Built-in ON/OFF cotrol function
¡Built-in overcurrent protection, overheat protection
function
39.0MAX
■ Features
(0.6)
4-(2.54)
5-0.8±0.2
1 2 3 4 5
Internal connection diagram
1
2
IC
chip
Controller
4
Reference Comparator
voltage
3
■ Absolute Maximum Ratings
Parameter
*1
*1
*2
*1
*2
Input voltage
ON/OFF control terminal voltage
Output current
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
All are open except GND and applicable terminals.
Overheat protection may operate at 125=<Tj=<150˚C.
1 DC input (VIN)
26DC output (VO)
3 GND
4 ON/OFF control
terminal (VC)
5 NC
(Ta=25˚C)
Symbol
VIN
VC
IO
PD1
PD2
Tj
Topr
Tstg
Tsol
Rating
Unit
10
V
10
V
5.0
A
2.2
W
60
W
150
˚C
-20 to + 80
˚C
-40 to +150
˚C
260 (For 10s) ˚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
■ Electrical Characteristics
*4
Symbol
VO
RegL
RegI
TCVO
RR
Vi-o
VC (ON)
IC (ON)
VC (OFF)
IC (OFF)
Iq
Conditions
IO=5mA to 5.0A
VIN=4 to 10V
Tj=0 to 125˚C
*3, IO=5.0A
VC=2.7V
VC=0.4V
IO=0A
MIN.
3.218
45
2.0
-
TYP.
3.3
0.5
0.5
±0.02
55
-
MAX.
3.382
2.0
2.5
0.5
20
0.8
-0.4
17
Unit
V
%
%
%/˚C
dB
V
V
µA
V
mA
mA
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
In case of opening control terminal 4, output voltage turns on.
Fig.1
Test Circuit
VIN
1
●
2
●
5
●
4
●
3
●
0.33µF
Fig.3
A
Fig.2
VO
47µF
VC
A
IO
+
A
IC
Power Dissipation vs. Ambient
Temperature
60
PD2
50
40
30
20
1
●
2
●
5
●
4
●
PD1 :No heat sink
PD2 :With infinite heat sink
10
VIN
0.33µF
Fig.4
47µF +
IO
+
3
●
V
RL
Iq
~ ei
Test Circuit for Ripple Rejection
RL V
~ eo
f=120Hz (sine wave)
ei=0.5Vrms
VIN=5V
IO=0.5A
RR=20 log (ei/eo)
Overcurrent Protection
Characteristics (Typical Value)
100
Relative output voltage (%)
*4
(Unless otherwise specified, conditions shall be VIN=5V, IO=2.5A Ta=25˚C)
Parameter
Output voltage
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
Power dissipation PD (W)
*3
PQ3DF53
80
60
40
20
PD1
0
-20
Note)
0
20
40
60
80
Ambient temperature Ta (˚C)
Oblique line portion:Overheat protection may
operate in this area.
0
0
2
4
6
8
10
Output current IO (A)
12
Low Power-Loss Voltage Regulators
Fig.5
Output Voltage Deviation vs.
Junction Temperature
PQ3DF53
Fig.6
4
3
Output voltage VO (V)
15
10
5
0
-5
RL=1.32Ω
RL=∞
RL=0.66Ω
2
1
-10
-15
-25
Fig.7
Circuit operating current IBIAS (mA)
Ta =25˚C
VIN=5V
IO=2.5A
0
25
50
75
100
Junction temperature Tj (˚C)
0
125
Circuit Operating Current vs. Input
Voltage
Fig.8
100
RL=0.66Ω
RL=1.32Ω
0
1
2
3
4
Input voltage VIN (V)
5
Dropout Voltage vs. Junction
Temperature
0.5
Ta =25˚C
Dropout voltage Vi-O (V)
Output voltage deviation ∆VO (mV)
20
0.4
VIN =Input voltage when output voltage is 95%
in comparison with the initial value
IO=5A
0.3
0.2
0.1
RL=∞
0
0
Fig.9
20
1
2
3
4
Input voltage VIN (V)
Quiescent Current vs. Junction
Temperature
0
25
50
75
100
Junction temperature Tj (˚C)
125
Fig.10 Ripple Rejection vs. Input Ripple
Frequency
100
VIN =5V
18 IO =0A
16
14
12
10
8
6
4
2
0
-25
0
-25
5
Ripple rejection RR (dB)
Quiescent current Iq (mA)
Output Voltage vs. Input Voltage
0
25
50
75
100
Junction temperature Tj (˚C)
125
80
60
40
VIN=5V
20 Io=0.5A
ei=0.5Vrms,
Ta =25˚C
0
0.1
1
10
Input ripple frequency f (kHz)
100
Low Power-Loss Voltage Regulators
Fig.10 Ripple Rejection vs. Junction
Temperature
Ripple rejection RR (dB)
100
80
60
40
20
VIN=5V
IO =0.5A
ei=0.5Vrms
f=120Hz
0
-25
0
25
50
75
100
Junction temperature Tj (˚C)
125
■ Typical Applications
1
●
Specific IC
5
●
VO
2
●
4
●
3
●
0.33µF
+
CO
ON/OFF signal
High or Open
Low
Load
DC input
:Output ON
:Output OFF
PQ3DF53