Shut-Down Function. PQ30VB11 Datasheet

PQ30VB11 Function. Datasheet pdf. Equivalent

Part PQ30VB11
Description Variable Output Low Power-Loss Voltage Regulator(Built-in Overheat Shut-Down Function)
Feature Low Power-Loss Voltage Regulators PQ30VB11 PQ30VB11 Variable Output Low Power-Loss Voltage Regulat.
Manufacture Sharp
Datasheet
Download PQ30VB11 Datasheet

Low Power-Loss Voltage Regulators PQ30VB11 PQ30VB11 Variab PQ30VB11 Datasheet
Recommendation Recommendation Datasheet PQ30VB11 Datasheet




PQ30VB11
Low Power-Loss Voltage Regulators
PQ30VB11
PQ30VB11
Variable Output Low Power-Loss Voltage Regulator(Built-in Overheat Shut-Down Function)
s Features
¡Compact resin full-mold package
¡Low power-loss (Dropout voltage : MAX. 0.5V)
¡Overheat shut-down function (keep shut-down output until
power-on again)
¡Variable output voltage (Setting range : 1.5 to 30V)
¡Overcurrent protection type
¡High-precision output type (Reference voltage precision :
±2.0%)
s Outline Dimensions
10.2MAX
PQ30VB11 φ3.2±0.1
4-1.4
+0.3
-0
4-0.6
+0.2
-0.1
s Applications
¡Series power supply for TVs and VCRs
¡Switching power supply
3-(2.54)
1q 2q 3q 4q
(Unit : mm)
4.5±0.2
2.8±0.2
(1.5)
(0.5)
Internal connection diagram
1
Specific IC
3
2 1 DC input (VIN)
2 DC output (VO)
3 GND
4 4 Output voltage
minute
adjustment
terminal (VADJ)
s Absolute Maximum Ratings
Parameter
*1 Input voltage
*1 Output adjustment terminal voltage
Output current
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
*2 Junction temperature
Operating temperature
Storage temperature
*3 Soldering temperature
*1 All are open except GND and applicable terminals.
*2 Overheat shut-down function operates at Tj>=110˚C.
*3 For 10s
Symbol
VIN
VADJ
IO
PD1
PD2
Tj
Topr
Tatg
Tsol
(Ta=25˚C)
Rating Unit
35 V
7V
1A
1.25 W
12.5 W
150 ˚C
-20 to +80 ˚C
-40 to +150 ˚C
260 ˚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. ”



PQ30VB11
Low Power-Loss Voltage Regulators
PQ30VB11
s Electrical Characteristics
(Unless otherwise specified, condition shall be VIN=15V, Vo=10V, Io=0.5A, R1=390, Ta=25˚C)
Parameter
Input voltage
Output voltage
Load regulation
Line regulation
Ripple rejection
Reference voltage
Temperature coefficient of reference voltage
Dropout voltage
Quiescent current
Overheat shut-down temperature
Symbol
VIN
VO
RegL
RegI
RR
Vref
TeVref
Vi-O
Iq
Tsd
Conditions
-
-
IO=5mA to 1A
VIN=11 to 28V
Refer to Fig. 2
Tj=0 to 125˚C, IO=5mA
*4, IO=0.5A
IO=0
MIN.
4.5
1.5
-
-
45
1.225
-
-
-
110
TYP.
-
-
0.3
0.5
55
1.25
±1.0
-
-
130
MAX.
35
30
1.0
2.5
-
1.275
-
0.5
7
150
Unit
V
V
%
%
dB
V
%
V
mA
˚C
*4 Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
Fig.1 Test Circuit
VIN 1q
0.33µF
2q
R2
3q 4q
R1
A Iq 390
47µF VO
A IO
+
Vref
V
V RL
VO=Vref X 1+ ---RR----21---- =1.25X 1+ ----RR---21----
[R1=390,Vref =1.25V]
Fig.2 Test Circuit of Ripple Rejection
ei ~
VIN
1q
0.33µF
2q
R2
3q 4q
R1
390
47µF +
IO
+ V~ eo
RL
IO=0.5A
f=120Hz (sine wave)
ei=0.5Vrms
RR=20 log (ei/eo)
Fig.3 Power Dissipation vs. Ambient
Temperature
PD1 :No heat sink
PD2 :With infinite heat sink
13
12 PD2
11
10
9
8
7
6
5
4
3
2 PD1
1
0
-20 0
50 100 150
Ambient temperature Ta (˚C)
Note) Oblique line portion:Overheat protection operates in this
area.
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
100
80
60
40
20
0
0.5 1.0 1.5 2.0
Output current IO (A)





@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)