SHARP PQ05RR12

PQ05RR12/PQ05RR13
Low Power-Loss Voltage Regulators
PQ05RR12/13
1A Output, Low Power-Loss Voltage Regulators(Built-in Reset Signal Generating Function)
■ Outline Dimensions
(Unit : mm)
4.5±0.2
10.2MAX
PQ05RR12
■ Applications
¡Series power supply for equipment such as TVs, VCRs and
electronic music instruments
φ3.2±0.1
4-1.4
+0.3
-0
4-0.6
+0.2
-0.1
4.8MAX
15.6±0.5
7.4±0.2
3.6±0.2
2.8±0.2
13.5MIN
¡Compact resin full-mold package
¡Low power-loss (Dropout voltage : MAX. 0.5V)
¡The regulators are provided with reset signal generating function
to prevent errors of microcomputer when input voltage is applied
and output voltage drops.
¡High-precision output type
(Output Voltage precision : ±2.5%) (PQ05RR13)
29.1MAX
■ Features
(1.5)
(0.5)
3-(2.54)
1
● 2
● 3
● 4
●
Internal connection diagram
1
2
Specific IC
4
1 DC input (VIN)
2 DC output (VO)
3 GND
4 Reset signal output (Vr)
3
■ Absolute Maximum Ratings
Parameter
*1
*1
*2
*3
*1
*2
*3
Input voltage
Reset output voltage
Output current
Reset output current
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
(Ta=25˚C)
Symbol
VIN
Vr
IO
Ir
PD1
PD2
Tj
Topr
Tstg
Tsol
Rating
24
24
1
10
1.5
15
150
-20 to +80
-40 to +150
260
Unit
V
V
A
mA
W
W
˚C
˚C
˚C
˚C
All are open except GND and applicable terminals.
Overheat protection may operate at 125=<Tj=<150˚C.
For 10s
· 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
(Unless otherwise specified, condition shall be VIN=7V,Io=0.5A, Ta=25˚C)
Parameter
PQ05RR12
Output voltage
PQ05RR13
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
Low reset output voltage
Reset threshold voltage
Reset output leak current
Quiescent current
Symbol
Conditions
VO
-
MIN.
4.75
4.88
45
3.55
-
IO=5mA to 1.0A
VIN=6 to 12V
TJ=0 to 125˚C
Refer to Fig. 2
RegL
RegI
TCVO
RR
Vi-o
Vrl
Vrt
Irlk
Iq
*4
IO=5mA, Ir=5mA
IO=5mA, *5
IO=5mA, Vr=24V
IO=0
TYP.
5.0
5.0
0.1
0.5
±0.02
55
3.75
-
MAX.
5.25
5.12
2.0
2.5
0.5
0.8
3.95
30
10
Unit
V
%
%
%/˚C
dB
V
V
V
µA
mA
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
Output voltage shall be the value when input voltage lowers and Vr becomes low.
Fig.1 Test Circuit
VIN
1
●
Fig.2 Test Circuit of Ripple Rejection
Ir
4
●
3
●
0.33µF
A
Iq
Irlk
1
●
+
2
●
~ ei
IO
A
+
V A
Vrl
VO
47µF
2
●
IO
4
●
+
3
●
V
RL
VIN
0.33µF
47µF
RL V
~ eo
Vr
f=120Hz (sine wave)
ei=0.5Vrms
RR=20 log (ei/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
50
100
150
Ambient temperature Ta (˚C)
Note) Oblique line portion:Overheat protection may operate in
this area.
Fig.4 Overcurrent Protection
Characteristics (Typical value)
100
Relative output voltage (%)
*5
Power dissipation PD (W)
*4
PQ05RR12/PQ05RR13
80
60
40
20
0
0
0.3
0.6 0.9 1.2 1.5 1.8
Output current IO (A)
2.1
PQ05RR12/PQ05RR13
Low Power-Loss Voltage Regulators
Fig.5 Output Voltage Deviation vs. Junction
Temperature
Fig.6 Output Voltage vs. Input Voltage
7
VIN=7V
IO =0.5A
40
6
Output voltage VO (V)
Output voltage deviation ∆VO (mV)
60
20
0
-20
5
4
3
-40
RL=10Ω
RL=5Ω
1
-60
-25
0
125
0
25
50
75
100
Junction temperature Tj (˚C)
Fig.7 Circuit Operating Current vs. Input
Voltage
0
RL=5Ω
RL=10Ω
10
Quiescent current Iq (mA)
20
RL=∞
0
0
1
2
3 4 5 6 7 8
Input voltage VIN (V)
3 4 5 6 7 8
Input voltage VIN (V)
9 10
VIN =24V
IO =0A
8
6
4
2
0
-25
9 10
Fig.9 Ripple Rejection vs. Input Ripple
Frequency
Ripple rejection RR (dB)
50
40
30
VIN=7V
10 ei=0.5Vrms
IO =0.5A
0
0
1
10
Input ripple frequency f (kHz)
125
f=120Hz
ei=0.5Vrms
VIN =7V
70
60
0
25
50
75
100
Junction temperature Tj (˚C)
Fig.10 Ripple Rejection vs. Output Current
100
80
Ripple rejection RR (dB)
2
10
30
20
1
Fig.8 Quiescent Current vs. Junction
Temperature
40
Circuit operating current IBIAS (mA)
RL=∞
2
80
60
40
20
0
100
0
0.2
0.4
0.6
0.8
Output current IO (A)
1.0
Low Power-Loss Voltage Regulators
Fig.11 Output Peak Current vs. Junction
Temperature
Fig.12 Output Peak Current vs. Dropout
Voltage
2.0
IOP :Output current shall be the value
when output voltage is 95% in
comparison with the initial value.
VIN-VO =5V
1.5
Output peak current IOP (A)
Output peak current IOP (A)
2.0
2V
1V
0.5V
1.0
-25
0
25
50
75
100
Junction temperature Tj (˚C)
PQ05RR12/PQ05RR13
1.5
1.0
125
0
1
2
3
4
Dropout voltage Vi-O (V)
5
Rr=10kΩ
10.0
1.0
0.1
0.01
10-4
10-3
10-2
Time constant τ (CrXRr)
10-1
Reset
Vr
Tr
Rr=10kΩ
0.8V
1
●
VIN
Rr
4
●
3
●
0
t
VO
2
●
Cr
Vr
+
CO
Load
Reset output voltage delay time Tr (ms)
Fig.13 Reset Output Delay Time vs. Time
Constant
PQ05RR12/PQ05RR13
Low Power-Loss Voltage Regulators
■ Typical Application
■ Reset Output Response Characteristics
DC input
1
●
VIN
VO
2
●
+
Specific IC
3
●
*Open collector output
VO
+
Rr
*
4
●
CO
RL
Vr
Cr
Reset output