1CZ41H View Datasheet(PDF) - Sharp Electronics
Part Name
Description
Manufacturer
1CZ41H Datasheet PDF : 5 Pages
| |||
PQ1CZ41H2ZxH
Electrical Characteristics
(Unless otherwise specified,condition shall be VIN=12V,IO=0.2A,VO=5V,ON-OFF terminals is open,Ta=25℃)
Parameter
Symbol
Conditions
MIN.
TYP. MAX.
Unit
Output saturation voltage
VSAT
ISW=1A
－
0.9
1.5
V
Reference voltage
Vref
－
1.235
1.26
1.285
V
Reference voltage temperature fluctuation
Tj=0 to 125℃
－
±0.5
－
%
Load regulation
|RegL|
IO=0.2 to 1A
－
0.2
1.5
%
Line regulation
|RegI|
VIN=8 to 35V
－
1.2
2.5
%
Efficiency
IO=1 A
－
84
－
%
Oscillation frequency
fO
Oscillation frequency temperature fluctuation
－
Tj=0 to 125℃
270
300
330
kHz
－
±3
－
%
Overcurrent detecting level
IL
Switching current peak
1.55
2.0
2.6
A
Charge current
ICHG
②,④ terminals is open,⑤ terminal
－
-10
－
Input threshold voltage
VTHL Duty ratio=0%,④ terminal=0V,⑤ terminal －
1.3
－
V
VTHH
Duty ratio=100%,④ terminal =1.1V, ⑤ terminal
－
2.3
－
V
ON threshold voltage
Stand-by current
Output OFF-state dissipation current
VTH(ON)
④ terminal=0V,⑤ terminal
0.7
0.8
0.9
V
ISD
VIN=40V,⑤ terminal=0V
－
140
400
IQS VIN=40V,④ terminal=0V,⑤ terminal =0.9V
－
8
12
mA
Fig.1 Test Circuit
ISD
AA
IQS
VIN
④
①
②
+
CIN
PQ1CZ41H2ZxH
⑤
③
A
ICHG
ON/OFF control logic
5 pin
LOW
HIGH
OPEN
Output
OFF
ON
ON
L
IO
VO
R2
D
R1
+
CO
Load
L：HK-08S070-6500 (made by Toho Co.)
D：ERC80-004 (made by Fuji electronics Co.)
Fig.2 Power Dissipation vs.Ambient
Temperature
10
PD:With infinite heat sink
8
5
0
－20 0
25 50 75 100 125 150
Ambient temperature Ta (°C)
Note) Oblique line portion:Overheat protection may operate in this area
Fig.3 Overcurrent Protection
Characteristics (Typical Value)
6
5
4
3
2
1
0
0
1
2
3
4
Output current IO (A)
Sheet No.: OP06041
2
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