PQ1CG2032FZ View Datasheet(PDF) - Sharp Electronics
Part Name
Description
Manufacturer
PQ1CG2032FZ Datasheet PDF : 6 Pages
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Chopper Regulators
PQ1CG2032FZ/PQ1CG2032RZ
s Electrical Characteristics
(Unless otherwise specified, condition shall be VIN=12V, IO=0.2A, VO=5V, ON-OFF terminals is open, Ta=25˚C)
Parameter
Symbol
Conditions
MIN. TYP. MAX. Unit
Output saturation voltage
VSAT
ISW=3A
−
1.4 1.8
V
Reference voltage
Vref
−
1.235 1.26 1.285 V
Reference voltage temperature fluctuation
∆Vref
Tj=0 to 125˚C
− ±0.5 −
%
Load regulation
|RegL|
IO=0.5 to 3A
−
0.2 1.5
%
Line regulation
|RegI|
VIN=8 to 35V
−
0.5 2.5
%
Efficiency
η
IO=3A
−
80
−
%
Oscillation frequency
fO
−
60 70 80 kHz
Oscillation frequency temperature fluctuation ∆fO
Overcurrent detecting level
IL
Tj=0 to 125˚C
−
−
±2
−
%
3.6 4.2 5.8 A
Charge current
ICHG 2 , 4 terminals is open, 5 terminal
−
−10
−
µA
Input threshold voltage
VTHL Duty ratio=0%, 4 terminal=0V, 5 terminal −
1.3
−
V
VTHH Duty ratio=100%, 4 terminals is open, 5 terminal −
2.3
−
V
ON threshold voltage
VTH(ON)
4 terminal=0V, 5 terminal
0.7 0.8 0.9 V
Stand-by current
ISD
VIN=40V, 5 terminal=0V
− 140 400 µA
Output OFF-state dissipation current
IQS
VIN=40V, 5 terminal=0.9V
−
8
16 mA
Fig.1 Test Circuit
ISD A
IQS
VIN
4
1
2
+
CIN
220µF
PQ1CG2032
5
3
Fig.2 Power Dissipation vs. Ambient
Temperature
20
L
90µH
IO
VO
ICHG
R2
D
R1
1kΩ
+
CO
1 000µF
Load
L : HK-12S120-9000 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
Fig.3 Overcurrent Protection
Characteristics (Typical Value)
6
5
15 PD2 : With infinite heat sink
4
10
3
5
PD1 : No heat sink
0
−20 0
20 40 60 80 100
Ambient temperature Ta (°C)
Note) Oblique line portion:Overheat protection may operate in this area
2
Ta=25°C
1
VIN=12V
VO=5V
0
0
1
2
3
4
5
Output current IO (A)
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