ETC PQ25VB8M2F

Low Power-Loss Voltage Regulators
PQ25VB8M2FZ/PQ25VB012FZ
PQ25VB8M2FZ/PQ25VB012FZ
Variable Output Type, Low Power-Loss Voltage Regulator with Built-in Overheat Shut-down Function
■
■
Features
Compact resin full mold package
(Equivalent to TO-220)
● Low power-loss
(Dropout voltage: MAX. 0.5V at IO=0.5A)
● Overheat shut-down function (keep shut-down output until
power-on again)
● Variable output voltage (setting range: 1.5 to 25V)
● With built-in overcurrent protection
● Reference voltage precision: ±2.0%
● With built-in ON/OFF control function
(Unit : mm)
Outline Dimensions
●
■
10.2MAX
4.5
7.4±0.2
3.6±0.2
2.8
5.0±0.5
(24.6)
Epoxy resin
(0.5)
16.4±0.7
ø3.2±0.1
25VB8M2
(1.5)
4.4MIN.
0.8
4–(1.7)
Applications
8.2
Series power supply for TVs and VCRs
● Power supplies for equipment
● CRT displays
●
1
2
3
1
4
±0.7
5
3
1
2
3
Specific IC
2
3.2±0.5
(5.0)
4
4
5
DC input (VIN)
ON/OFF control (VC)
DC output (VO)
Output voltage adjustment (VADJ)
GND
5
■
Absolute Maximum Ratings
Parameter
Symbol
Rating
❇1 Input voltage
VIN
27
❇1
VC
27
ON/OFF control terminal voltage
❇1
7
Output adjustment terminal voltage VADJ
0.8
PQ25VB8M2FZ
IO
Output current
1
PQ25VB012FZ
PD1
1.25
❇2 Power dissipation
PD2
12.5
❇3 Junction temperature
Tj
150
Operating temperature
Topr
−20 to +80
Tstg
Storage temperature
−40 to +150
Tsol
Soldering temperature
260 (10s)
❇1 All are open except GND and applicable terminals
❇2 PD1:No heat sink, PD2:With infinite heat sink
❇3 Overheat shut-down function operates at Tj≥110˚C
Notice
(Ta=25°C)
Unit
V
V
V
A
W
W
˚C
˚C
˚C
˚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 device specification sheets before using any SHARP device.
Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/
Low Power-Loss Voltage Regulators
■
Electrical Characteristics
Parameter
(Unless otherwise specified, condition shall be VIN=12V, VO=10V (R1=390Ω), IO=0.5A, VO=2.7V, Ta=25˚C)
MIN. TYP. MAX. Unit
Symbol
Conditions
Minimum operating supply voltage
Output voltage
Load regulation
PQ25VB8M2FZ/PQ25VB012FZ
−
−
IO=5mA to 0.8A
IO=5mA to 1A
VIN=11 to 20V, IO=5mA
Refer to Fig.2
−
Tj=0 to 110˚C, IO=5mA
❇4 IO=0.5A
VIN(MIN.)
VO
PQ25VB8M2FZ
PQ25VB012FZ
RegL
Line regulation
Ripple rejection
Reference voltage
Reference voltage temperature coefficient
RegI
RR
Vref
TCVref
VI-O
VC (ON)
IC (ON)
VC (OFF)
IC (OFF)
Iq
TSD
Dropout voltage
❇5 ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
Overheating shutdown temperature
4.5
1.5
−
−
27
25
V
V
−
0.3
1.0
%
−
0.5
55
1.25
±1.0
−
−
−
−
−
−
130
1.0
%
dB
V
%
45
1.225
−
−
2.0
−
−
−
−
110
❇5
VC=2.7V
−
VC=0.4V
IO=0A
−
−
1.275
−
0.5
−
20
0.8
−0.4
7
150
V
V
µA
V
mA
mA
˚C
❇4 Input voltage shall be the value when output voltage is 95% in comparison with the initial value
❇5 In case of opening ON/OFF control terminal 2 , output voltage turns on
Fig.1 Test Circuit
VIN
VO
3
1
R2
VC
2
4
A
0.33µF
A
Vref
IO
+
5
IC
V
47µF
R1
390Ω
Iq
A
V
RL
Fig.2 Test Circuit for Ripple Rejection
+
3
1
ei
~
IO
R2
+
VC
4
2
0.33µF
Vref
5
VIN
2.7V
eo
+
V
~
47µF
R1
390kΩ
RL
f=120Hz(sine wave)
ei(rms)=0.5V
VO=10V(R1=390Ω)
VIN=12V
IO=0.5A
RR=20log(ei(rms)/eo(rms))
Low Power-Loss Voltage Regulators
PQ25VB8M2FZ/PQ25VB012FZ
Power dissipation PD (W)
Fig.3 Power Dissipation vs. Ambient
Temperature
13
PD2 : With infinite
12
heat sink
11
10
9
8
7
6
5
4
3
2 PD1 : No heat sink
1
0
80 100
–20 0
50
150
Ambient temperature Ta (˚C)
Note) Oblique line portion: Overheat shut down operates in this area
Fig.4 Overcurrent Protection Characteristics
(Typical Value) (PQ25VB8M2FZ)
15
Fig.5 Overcurrent Protection Characteristics
(Typical Value) (PQ25VB012FZ)
15
10
5
0
0
0.5
1.0
VIN=12V
CIN=0.33µF
CO=47µF
R1=390Ω
R2=2 710Ω
Ta=25°C
1.5
2.0
Output voltage VO (V)
Output voltage VO (V)
VIN=12V CIN=0.33µF
CO=47µF R1=390Ω
R2=2 710Ω Ta=25°C
10
5
0
Output current IO (A)
1.27
VIN=12V
R1=390Ω,
R2=2 710Ω
Reference voltageVref (V)
1.265
1.26
1.255
Vref (IO=0.5A)
1.25
1.245
Vref (IO=0A)
1.24
1.235
1.23
–40 –20 0
20 40 60 80 100 120 140
Junction temperature Tj (˚C)
0.5
1.0
1.5
2.0
Output current IO (A)
Fig.7 Reference Voltage Fluctuation vs.
Junction Temperature (PQ25VB012FZ)
1.27
VIN=12V
R1=390Ω,
R2=2 710Ω
1.265
Reference voltage Vref (V)
Fig.6 Reference Voltage Fluctuation vs.
Junction Temperature (PQ25VB8M2FZ)
0
1.26
Vref (IO=0.5A)
1.255
1.25
Vref (IO=0A)
1.245
1.24
1.235
1.23
–40 –20 0
20 40 60 80 100 120 140
Junction temperature Tj (˚C)
Low Power-Loss Voltage Regulators
Fig.8 Output Voltage vs. Input Voltage
(PQ25VB8M2FZ)
CIN=0.33µF
CO=47µF
R1=390Ω
R2=2 710Ω
Ta=25°C
10
RL=∞Ω
RL=25Ω
RL=12.5Ω
5
0
0
5
10
Fig.9 Output Voltage vs. Input Voltage
(PQ25VB012FZ)
15
Output voltage VO (V)
Output voltage VO (V)
15
PQ25VB8M2FZ/PQ25VB012FZ
15
CIN=0.33µF
CO=47µF
R1=390Ω
R2=2 710Ω
Ta=25°C
10
RL=∞Ω
5
0
20
0
5
Input voltage VIN (V)
RL=12.5Ω
10
RL=25Ω
RL=∞Ω
0
0
5
10
15
20
25
30
Fig.12 Dropout Voltage vs. Junction
Temperature (PQ25VB8M2FZ)
RL=20Ω
RL=∞Ω
0
VIO (IO=0.5A)
0.2
0.1
0
–40 –20 0
20 40 60 80 100 120 140
Junction temperature Tj (˚C)
0
5
10
15
20
25
Fig.13 Dropout Voltage vs. Junction
Temperature (PQ25VB012FZ)
VIO (IO=0.8A)
0.4
RL=10Ω
10
Input voltage VIN (V)
Dropout voltage VI-O (V)
Dropout voltage VI-O (V)
0.7
0.3
20
CIN=0.33µF
CO=47µF
R1=390Ω
R2=2 710Ω
Ta=25°C
20
Input voltage VIN (V)
VIN=9.5V
I
0.6 O=5mA to 1A
R1=390Ω
R2=2 710Ω
0.5
15
Fig.11 Circuit Operating Current vs. Input
Voltage (PQ25VB012FZ)
Circuit operating current IBIAS (mA)
Circuit operating current IBIAS (mA)
CIN=0.33µF
CO=47µF
R1=390Ω
R2=2 710Ω
Ta=25°C
20
10
Input voltage VIN (V)
Fig.10 Circuit Operating Current vs. Input
Voltage (PQ25VB8M2FZ)
30
RL=20Ω
RL=10Ω
0.5
VIN=9.5V
0.45 IO=5mA to 1A
0.4 R1=390W
R2=2 710W
0.35
0.3
VIO (IO=1A)
0.25
0.2
VIO (IO=0.5A)
0.15
0.1
0.05
0
–40 –20 0
20 40 60 80 100 120 140
Junction temperature Tj (˚C)
Low Power-Loss Voltage Regulators
Fig.14 Quiescent Current vs. Junction
Temperature (PQ25VB8M2FZ)
PQ25VB8M2FZ/PQ25VB012FZ
Fig.15 Quiescent Current vs. Junction
Temperature (PQ25VB012FZ)
4
4
Iq (VIN=27V)
3
2.5
Iq (VIN=12V)
2
1.5
1
–40 –20 0
3.5
Quiescent current Iq (mA)
Quiescent current Iq (mA)
3.5
IO=0A
R1=390Ω,
R2=2 710Ω
Iq (VIN=27V)
3
2.5
2
1.5
Junction temperature Tj (˚C)
80
50
40
30
20
10
1
10
100
1 000
Fig.18 Output Voltage Adjustment
Characteristics
30
R1=390Ω
25
20
15
10
5
102
103
R2 (Ω)
104
60
50
40
30
20
10
0
0.1
1
10
100
Input ripple frequency f (kHz)
Input ripple frequency f (kHz)
0
10
VIN=12V
VO=10V
IO=0.5A
70
Ripple rejection RR (dB)
Ripple rejection RR (dB)
60
0
0.1
Output voltage VO (V)
Fig.17 Ripple Rejection vs. Input Ripple
Frequency (PQ25VB012FZ)
VIN=12V
VO=10V
IO=0.5A
70
20 40 60 80 100 120 140
Junction temperature Tj (˚C)
Fig.16 Ripple Rejection vs. Input Ripple
Frequency (PQ25VB8M2FZ)
80
Iq (VIN=12V)
1
–40 –20 0
20 40 60 80 100 120 140
IO=0A
R1=390Ω,
R2=2 710Ω
105
1 000
Low Power-Loss Voltage Regulators
■
PQ25VB8M2FZ/PQ25VB012FZ
Setting of Output Voltage
Output voltage is able to set from 1.5V to 25V when resistors R1 and R2 are attached to ➂, ➃, ➄ terminals. As for the external
resistors to set output voltage, refer to the figure below and Fig.18.
VO
3
R2
−
4
R1
+
5
Vref
■
VO=Vref×(1+R2/R1)
[R1=390Ω, Vref=1.25V]
Overheat Shut-down Characteristics
ON
VIN
OFF
High (or open)
VC
Low
❈ Tsd
Tj
VO
❇Tsd:Overheat shut-down temperature (Tj≥110˚C)
(1) Overheat shut-down operates at Tj=Tsd and output OFF-state is maintained.
(2) OFF-state is kept until VIN is once turned off.
NOTICE
●
The circuit application examples in this publication are provided to explain representative applications of SHARP
devices and are not intended to guarantee any circuit design or license any intellectual property rights. SHARP takes
no responsibility for any problems related to any intellectual property right of a third party resulting from the use of
SHARP's devices.
●
Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. SHARP
reserves the right to make changes in the specifications, characteristics, data, materials, structure, and other contents
described herein at any time without notice in order to improve design or reliability. Manufacturing locations are
also subject to change without notice.
●
Observe the following points when using any devices in this publication. SHARP takes no responsibility for damage
caused by improper use of the devices which does not meet the conditions and absolute maximum ratings to be used
specified in the relevant specification sheet nor meet the following conditions:
(i) The devices in this publication are designed for use in general electronic equipment designs such as:
- - - Personal computers
- -- Office automation equipment
- -- Telecommunication equipment [terminal]
- - - Test and measurement equipment
- - - Industrial control
- -- Audio visual equipment
- -- Consumer electronics
(ii) Measures such as fail-safe function and redundant design should be taken to ensure reliability and safety when
SHARP devices are used for or in connection with equipment that requires higher reliability such as:
- -- Transportation control and safety equipment (i.e., aircraft, trains, automobiles, etc.)
- - - Traffic signals
- - - Gas leakage sensor breakers
- - - Alarm equipment
- -- Various safety devices, etc.
(iii)SHARP devices shall not be used for or in connection with equipment that requires an extremely high level of
reliability and safety such as:
- - - Space applications
- -- Telecommunication equipment [trunk lines]
- -- Nuclear power control equipment
- -- Medical and other life support equipment (e.g., scuba).
●
If the SHARP devices listed in this publication fall within the scope of strategic products described in the Foreign
Exchange and Foreign Trade Law of Japan, it is necessary to obtain approval to export such SHARP devices.
●
This publication is the proprietary product of SHARP and is copyrighted, with all rights reserved. Under the copyright
laws, no part of this publication may be reproduced or transmitted in any form or by any means, electronic or
mechanical, for any purpose, in whole or in part, without the express written permission of SHARP. Express written
permission is also required before any use of this publication may be made by a third party.
●
Contact and consult with a SHARP representative if there are any questions about the contents of this publication.