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参数资料
型号： PQ1CG38M2FZ
厂商： SHARP ELECTRONICS CORP
元件分类： 稳压器
英文描述： 0.8 A SWITCHING REGULATOR, 330 kHz SWITCHING FREQ-MAX, PZFM5
封装： TO-220, 5 PIN
文件页数： 2/3页
文件大小： 74K
代理商： PQ1CG38M2FZ
PQ1CG38M2FZ/PQ1CG38M2RZ
Parameter
Symbol
Conditions
VSAT
VREF
|RegL|
|RegI|
η
fO
IL
Unit
MAX.
TYP.
MIN.
1.235
270
0.7
0.8
0.9
0.85
ISW
=0.5A
Tj
=0 to 125C
IO
=0.1 to 0.5A
VIN
=8 to 35V
IO
=0.5A
0.95
1.26
±0.5
0.2
1
80
300
±3
1.2
1.5
1.285
1.5
2.5
330
1.6
V
%
kHz
%
V
120
400
A
510
mA
A
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
Oscillation frequency temperature fluctuation
Overcurrent detection level
ON threshold voltage
Standby current
Output OFF-state consumption current
fO
Tj
=0 to 125C
ICHG
10
A
1.3
V
2.1
V
Charge current
VTH(ON)
Input threshold voltage
VTHH
VTHL
ISD
IQS
(VIN
=12V, IO=0.2A, Terminal No.5 open and Ta=25C unless otherwise specified )
VIN
=40V, terminal=0.9V
Duty ratio
=100%, terminals=1.1V, terminal
terminal
=0V, terminal
VIN
=40V, terminal=0V
Duty ratio
=0%, terminal=0V, terminal
,
terminals is open,
terminal
4
2
5
4
5
4
5
I Electrical Characteristics
VO
=VREF×(1+R2/R1)
VO
=VREF to +35V
Here, the upper limit is restricted by VIN
VSAT value according to the input.
(VREF
.=.1.26V)
Oscillation
circuit
Control
circuit
Overheat
protective circuit
Over current
protective circuit
R2
R1
ON/OFF
control
GND
ON/OFF
control
circuit
GND
VO
VIN
1
2
4
5
3
Oscillation
circuit
Overheat
protective circuit
ON/OFF
control
circuit
R1
R2
ON/OFF
control
GND
VO
VIN
VO
=VREF×(1+R2/R1)
VO
=VREF to 30V
Here, the upper limit of the absolute value is restricted by 40V
VIN according to the input.
(
VREF
.=.1.26V)
1
2
4
5
3
Control
circuit
Over current
protective circuit
Fig.1 Step Down Voltage Output Circuit Diagram
Fig.2 Inverting Output Circuit Diagram
I Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
Input voltage
40
V
0.8
A
1.4
7
41
1
V
W
V
0.3 to +40
Switching current
150
C
20 to +80
C
Junction temperature
Dropout voltage
Output to COM voltage
Output adjustment terminal voltage
VIN
VI-O
VOUT
VC
VADJ
ISW
Tj
(Ta
=25°C)
Operating temperature
Storage temperature
Soldering temperature
Topr
40 to +150
C
Tstg
260 (for 10s)
C
Tsol
*2
*1
*5
Power dissipation
PD1
14
W
PD2
*4
*1 Voltage between VIN and COM
*2 Voltage between VOUT and COM
*3 Voltage between ON/OFF and COM
*4 PD1:No heat sink PD2:With infinite heat sink
*5 Overheat protector may operate for Tj
=125 to 150C
ON/OFF control voltage
*3
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