[Possible to select step-down output/inversing output
according to external connection circuit]
6.P
Q 1CZ21H2ZZH:
Sleeve-packaged product
P Q 1CZ21H2ZPH:
Tape-packaged product
7.RoHS
directive compliant
■
Outline Dimensions
(Unit:mm)
6.6
MAX.
5.2±0.5
3
2.3±0.5
(0.5)
Epoxy resin
9.7MAX.
5.5±0.5
1CZ21H
H
Lead finish
identification mark
2.5MIN.
(1.7)
(0 to 0.25)
0.5
+0.2
–0.1
4–(1.27)
(0.5)
(
) : Typical dimensions
Product mass:(0.3g)
①V
IN
②V
OUT
③COM(Connected
with heat sink)
④O
adj
⑤ON/OFF
control
Applications
1.Facsimiles
2.Printers
3.Switching
power supplies
1
2
3
4
5
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
(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)
℃
Lead finish:Lead-free solder plating
(Composition: Sn2Cu)
*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.: OP06040A
(1.9)
PQ1CZ21H2ZxH
Electrical Characteristics
Parameter
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
Oscillation frequency temperature fluctuation
Overcurrent detecting level
ON threshold voltage
ON-state current for control
OFF-state current for control
Stand-by current
Output OFF-state dissipation current
(Unless otherwise specified,condition shall be V
IN
=12V,I
O
=0.2A,V
O
=5V,ON-OFF terminal=2.7V,T
a
=25℃)
Symbol
V
SAT
V
ref
|R
eg
L|
|R
eg
I|
f
O
I
L
V
TH(ON)
I
C(ON)
I
C(OFF)
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
④
terminal=0V,⑤ terminal
⑤
terminal=2.7V
⑤
terminal=0.4V
V
IN
=40V,⑤ terminal=0V
V
IN
=40V,④ terminal=3V
MIN.
－
1.235
－
－
－
－
80
－
1.55
0.8
－
－
－
－
TYP.
0.9
1.26
±0.5
0.1
0.5
82
100
±3
2
1.5
－
－
－
8
MAX.
1.5
1.285
－
1.5
2.5
－
120
－
2.6
2
200
2
1
12
mA
Unit
V
V
%
%
%
%
kHz
%
A
V
Fig.1 Test Circuit
④
①
I
SD
②
L
I
O
V
O
A
I
qs
⑤
PQ1CZ21H2ZxH
R
2
+
V
IN
C
IN
+
③
A
I
C(ON)
I
C (OF F )
D
R
1
C
O
Load
470 F
1k
ON/OFF control logic
5 pin
LOW
HIG H
OPEN
Output
OFF
ON
OFF
L：HK-14D100-2110(made by Toho Co.)
D：ERCF80-004(made by Fuji electronics Co.)
Fig.2 Power Dissipation vs.Ambient
Temperature
10
Fig.3 Overcurrent Protection
Characteristics (Typical Value)
7
Power dissipation P
D
(W)
Output voltage V
O
(V)
8
P
D
:With infinite heat sink
6
5
4
3
2
1
T
a
=25°C
V
IN
=12V
V
O
=5V
5
0
-40 -25
0
0
25
50
75 85 100 125
150
0
0.5
1
1.5
2
2.5
3
3.5
4
Ambient temperature T
a
(°C)
Note) Oblique line portion:Overheat protection may operate in this area
Output current I
O
(A)
Sheet No.: OP06040A
2
PQ1CZ21H2ZxH
Fig.4 Efficiency vs. Input Voltage
100
Fig.5 Output Saturation Voltage vs.
Switching Current
1.2
Output saturation voltage V
SAT
(V)
V
O
=12V, I
O
=1A
T
j
=25°C
V
O
=12V, I
O
=0.2A
T
j
=25°C
1
0.8
0.6
0.4
0.2
0
0
90
Efficiency
η(%)
80
V
O
=5V, I
O
=1A
70
V
O
=5V, I
O
=0.2A
60
50
0
10
20
30
40
0.5
1
1.5
2
Input voltage V
IN
(V)
Switching current I
SW
(A)
Fig.6 Reference Voltage Fluctuation vs.
Junction Temperature
Reference voltage fluctuation (%)
2
Fig.7 Load Regulation vs. Output Current
1
1
Load regulation R
eg
L(%)
V
IN
=12V
V
O
=5V
T
j
=25°C
V
IN
=12V
V
O
=5V
0.5
0
0
-1
-2
-50
-25
0
25
50
75
100
125
–0.5
0
0.2
0.4
0.6
0.8
1
1.2
Junction temperature T
j
(°C)
Output current I
O
(A)
Fig.8 Line Regulation vs. Input Voltage
1
Fig.9 Oscillation Frequency Fluctuation vs.
Junction Temperature
Oscillation frequency fluctuation (%)
2
0
-2
-4
-6
-8
-10
-50
V
IN
=12V
V
O
=5V
Line regulation RegI (%)
0.5
0
T
j
=25°C
V
O
=5V
I
O
=0.2A
-0.5
0
5
10
15
20
25
30
35
40
-25
0
25
50
75
100
125
Input voltage V
IN
(V)
Junction temperature T
j
(°C)
Sheet No.: OP06040A
3
PQ1CZ21H2ZxH
Fig.10 Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
Overcurrent detecting level fluctuation (%)
6
Fig.11 On Threshold Voltage vs. Junction
Temperature
2
ON threshold voltage V
TH (ON)
(V)
4
2
0
-2
-4
-6
-8
-50
-25
0
25
50
75
100
125
V
IN
=12V
1.5
1
0.5
0
-50
-25
0
25
50
75
100
125
Junction temperature T
j
(°C)
Junction temperature T
j
(°C)
Fig.12 Operating Dissipation Current vs.
Input Voltage
Operating dissipation current I
Q
' (mA)
10
T
j
=25°C
V
O
=5V
9
I
O
=1A
8
I
O
=0.2A
7
No load
6
5
0
10
20
30
40
Input voltage V
IN
(V)
Fig.13 Power Dissipation vs. Ambient
Temperature (Typical Value)
Cu area 740mm
2
2
Power dissipation P
D
(W)
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
0
-40
Material
: Glass-cloth epoxy resin
Size
: 50×50×1.6mm
Cu thickness : 35μm
-20
0
20
40
60
80 85 100 120 125
Ambient temperature T
a
(°C)
Sheet No.: OP06040A
4
PQ1CZ21H2ZxH
Fig.14 Block Diagram
1
2
Voltage regulator
+
_
5
PWM COMP.
ON/
OFF
Overcurrent
detection circuit
F/F
Q
S
①
②
③
④
⑤
V
IN
V
OUT
COM (Common to heat sink)
O
adj
ON/OFF control
R
OSC.
ERROR AMP.
_
+
V
ref
4
Overheat
detection circuit
3
Fig.15 Step Down Type Circuit Diagram
④
①
PQ1CZ21H2ZxH
②
L
210μH
V
O
5V
⑤
V
IN
8½35V
C
IN
100μF
+
R
2
3kΩ
+
C
O
470μF
R
1
1kΩ
③
Load
D
ON/OFF control signal
Fig.16 Polarity Inversion Type Circuit Diagram
0.47½1μF
100k½
680kΩ
④
①
PQ1CZ21H2ZxH
②
L
130μH
⑤
V
IN
5½30V
+
C
IN
100μF
R
2
3kΩ
+
③
Load
D
R
1
1kΩ
C
O
2200μF
V
O
ON/OFF control signal
-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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