[Possible to select step-down output/inversing output
according to external connection circuit]
8.P
Q 1CZ41H2ZZH:
Sleeve-packaged product
P Q 1CZ41H2ZPH:
Tape-packaged product
9.RoHS
directive compliant
■
Outline Dimensions
(Unit:mm)
6.6
MAX.
5.2
±0.5
2.3
±0.5
(0.5)
3
Epoxy resin
5.5
±0.5
9.7
MAX.
1CZ41H
H
Lead finish
identification mark
2.5
MIN.
(0 to 0.25)
0.5
+0.2
-0.1
4-(1.27)
(
) : Typical dimensions
Product mass:(0.3g)
1
2
3
4
5
①V
IN
②V
OUT
③COM(Connected
with heat sink)
④O
adj
⑤ON/OFF
control
Applications
1.Color TV,STB
2.LCD monitors
3.Facsimiles,plinters and other OA equipment
4.CD-ROM drives/DVD-ROM drivers
5.Air conditioners
Absolute Maximum Ratings
Parameter
Symbol
V
IN
Input voltage
Error input voltage
V
ADJ
Input - output voltage
V
I-O
*2
Output - COM voltage
V
OUT
*3
V
C
ON/OFF control voltage
I
SW
Switching current
*4
Power dissipation
P
D
*5
Junction temperature
T
j
Operating temperature
T
opr
Storage temperature
T
stg
Soldering temperature
T
sol
*1
Lead finish:Lead-free solder plating
(Composition: Sn2Cu)
(Ta=25℃)
Rating
Unit
40
V
7
V
41
V
-1
V
-0.3 to +40
V
1.5
A
8
W
150
℃
-40 to +85
℃
-40 to +150
℃
260(10s)
℃
*1 Voltage between V
IN
terminal and COM terminal
*2 Voltage between V
OUT
terminal and COM terminal
*3 Voltage between ON/OFF
control
and COM terminal
*4 P
D
:With infinite heat
sink
*5 There is case that over heat protection function operates at the temperature
T
j
=125°C to 150°C, so this item cannot be used in this temperature range.
Notice The content of data sheet is subject to change without prior notice.
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.
1
Sheet No.: OP06041
(0.9)
(0.5)
(1.7)
PQ1CZ41H2ZxH
Electrical Characteristics
(Unless otherwise specified,condition shall be V
IN
=12V,I
O
=0.2A,V
O
=5V,ON-OFF terminals is open,T
a
=25℃)
Parameter
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
Oscillation frequency temperature fluctuation
Overcurrent detecting level
Charge current
Input threshold voltage
ON threshold voltage
Stand-by current
Output OFF-state dissipation current
Symbol
V
SAT
V
ref
|R
eg
L|
|R
eg
I|
f
O
I
L
I
CHG
V
THL
V
THH
V
TH(ON)
I
SD
I
QS
Conditions
I
SW
=1A
－
T
j
=0 to 125℃
I
O
=0.2 to 1A
V
IN
=8 to 35V
I
O
=1A
－
T
j
=0 to 125℃
Switching current peak
②,④
terminals is open,⑤ terminal
Duty ratio=0%,④ terminal=0V,⑤
terminal
Duty ratio=100%,④ terminal =1.1V,
⑤ terminal
MIN.
－
1.235
－
－
－
－
270
－
1.55
－
－
－
0.7
－
－
TYP.
0.9
1.26
±0.5
0.2
1.2
84
300
±3
2.0
-10
1.3
2.3
0.8
140
8
MAX.
1.5
1.285
－
1.5
2.5
－
330
－
2.6
－
－
－
0.9
400
12
Unit
V
V
%
%
%
%
kHz
%
A
V
V
V
mA
④
terminal=0V,⑤ terminal
V
IN
=40V,⑤ terminal=0V
V
IN
=40V,④ terminal=0V,⑤ terminal =0.9V
Fig.1 Test Circuit
④
①
I
SD
I
QS
+
V
IN
C
IN
A
A
PQ1CZ41H2ZxH
L
②
I
O
V
O
⑤
③
A
D
R
2
+
Load
I
CHG
R
1
C
O
ON/OFF control logic
5 pin
LOW
HIG H
OPEN
L：HK-08S070-6500 (made by Toho Co.)
D：ERC80-004 (made by Fuji electronics Co.)
Output
OFF
ON
ON
Fig.2 Power Dissipation vs.Ambient
Temperature
10
Fig.3 Overcurrent Protection
Characteristics (Typical Value)
6
Power dissipation P
D
(W)
8
P
D
:With infinite heat sink
5
Output voltage V
O
(V)
4
3
2
1
5
0
－20
0
0
25
50
75
100
125
150
0
1
2
3
4
Ambient temperature T
a
(°C)
Note) Oblique line portion:Overheat protection may operate in this area
Output current I
O
(A)
Sheet No.: OP06041
2
PQ1CZ41H2ZxH
Fig.4 Efficiency vs. Input Voltage
100
Tj=25°C
Fig.5 Output Saturation Voltage vs.
Switching Current
1.6
Output saturation voltage V
SAT
(V)
V
O
＝12V,I
O
=1A
V
O
＝12V,I
O
=0.2A
Tj=25°C
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
0.5
1
1.5
90
Efficiency
η(%)
80
70
V
O
＝5V,I
O
=0.2A
V
O
＝5V,I
O
=1A
60
50
0
10
20
30
40
Input voltage V
IN
(V)
Switching current I
SW
(A)
Fig.6 Stand-by Current vs. Input Voltage
250
Tj=25°C
Fig.7 Reference Voltage Fluctuation vs.
Junction Temperature
2
Reference voltage fluctuation (%)
1.5
1
0.5
0
-0.5
-1
-1.5
-2
-40 -25
0
25
50
75
V
IN
=12V
V
O
＝5V
Standby current I
SD
(μA)
200
150
100
50
0
0
10
20
30
40
100
125
Intput voltage V
IN
(V)
Junction temperature T
j
(°C)
Fig.8 Load Regulation vs. Output Current
1.5
Tj=25°C
V
IN
=12V
V
O
＝5V
Fig.9 Line Regulation vs. Input Voltage
1.5
Load regulation R
eg
L(%)
Line regulation RegI (%)
1
1
0.5
0.5
0
0
Tj=25°C
V
O
=5V
I
O
＝0.2A
0
10
20
30
40
-0.5
0
0.2
0.4
0.6
0.8
1
1.2
-0.5
Output current I
O
(A)
Input voltage V
IN
(V)
Sheet No.: OP06041
3
PQ1CZ41H2ZxH
Fig.10 Oscillation Frequency Fluctuation vs.
Junction Temperature
Oscillation frequency fluctuation
Δf
O
(%)
10
V
IN
=12V
V
O
＝5V
Fig.11 Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
Overcurrent detecting level fluctuation (%)
10
Tj=25°C
5
5
0
0
-5
-5
-10
-40 -25
0
25
50
75
100
125
-10
-40 -25
0
25
50
75
100
125
Junction temperature T
j
(°C)
Junction temperature T
j
(°C)
Fig.12 On Threshold Voltage vs. Junction
Temperature
ON threshold voltage V
THON
,V
THL
,V
THH
(V)
3
Fig.13 Operating Dissipation Current vs.
Input Voltage
10
V
THH
2.5
2
Operating dissipation current I
Q
' (mA)
V
IN
=12V
Tj=25°C
V
O
=5V
9
V
THL
1.5
1
0.5
0
-40 -25
8
I
O
=1A
7
I
O
=0.2A
6
V
THON
0
25
50
75
100
125
No Load
5
0
10
20
30
40
Junction temperature T
j
(°C)
Input voltage V
IN
(V)
Fig.14 Power Dissipation vs. Ambient
Temperature (Typical Value)
Cu area 740mm
2
Power dissipation P
D
(W)
2
1.5
Cu area 180mm
2
Cu area 100mm
2
Mounting PCB
PCB
Cu
1
Cu area 70mm
2
Cu area 36mm
2
0.5
Material
: Glass-cloth epoxy resin
Size
: 50×50×1.6mm
Cu thickness : 35μm
0
-40
-20
0
20
40
60
80 85 100 120 125
Ambient temperature T
a
(°C)
Sheet No.: OP06041
4
PQ1CZ41H2ZxH
Fig.15 Block Diagram
1
V
IN
2
V
OUT
Voltage
regulator
ON/OFF
circuit
5
PWM COMP.
_
Soft start
ON/OFF control
+
Overcurrent
detection
circuit
F/F
Q
R
S
Oscillator
_
+
ERROR AMP.
V
ref
4
O
adj
Overheat
detection
circuit
3
COM
Fig.16 Step Down Type Circuit Diagram
④
①
PQ1CZ41H2ZxH
L
②
V
O
5V
⑤
+
R
2
3k
+
V
IN
8 to 35V
③
C
IN
C
S
R
S
Load
D
C
O
R
1
1k
ON/OFF control signal
Fig.17 Polarity Inversion Type Circuit Diagram
0.47½1μF
100k½
680kΩ
4
1
2
L
65μH
PQ1CZ41H2ZxH
5
V
IN
5½30V
+
3
C
IN
100μF
C
S
R
S
D
R
2
3kΩ
+
C
O
2200μF
Load
R
1
1kΩ
R
S
≦50kΩ
ON/OFF control signal
V
O
-5V
In case that polarity is reverse, depending on the conditions,there is cases that output voltage can not gain,
please use this device after confirming the output voltage at the actual conditions.
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