PQ1CZ21H2ZXH [SHARP]
Low Dissipation Current at OFF-state Chopper Regulator; 低功耗关断电流状态斩波稳压器
| 型号： | PQ1CZ21H2ZXH |
| 厂家： | 
SHARP ELECTRIONIC COMPONENTS |
| 描述： | Low Dissipation Current at OFF-state Chopper Regulator |
| 文件： | 总5页 (文件大小：132K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PQ1CZ21H2ZxH
PQ1CZ21H2ZxH
Low Dissipation Current at OFF-state
Chopper Regulator
Features
Outline Dimensions
■
(Unit:mm)
1.Maximum switching current: 1.5A
2.Low dissipation current at OFF-state(Iqs:Max.1mA)
3.Built-in oscillation circuit
(Oscillation frequency:TYP.100kHz)
4.Built-in overheat, overcurrent protection functions
5.Variable output voltage
2.3±0.5
6.6MAX.
5.2±0.5
(0.5)
3
Epoxy resin
Lead finish
(Output variable range: Vref to 35V/–Vref to –30V)
[Possible to select step-down output/inversing output
according to external connection circuit]
6.PQ1CZ21H2ZZH: Sleeve-packaged product
PQ1CZ21H2ZPH: Tape-packaged product
7.RoHS directive compliant
1CZ21H
H
identification mark
(0 to 0.25)
+0.2
–0.1
0.5
(0.5)
4–(1.27)
(
) : Typical dimensions
Product mass:(0.3g)
①VIN
②VOUT
③COM(Connected with heat sink)
④Oadj
⑤ON/OFF control
1
2
3
4
5
Applications
1.Facsimiles
2.Printers
3.Switching power supplies
Absolute Maximum Ratings
(Ta=25℃)
Lead finish:Lead-free solder plating
(Composition: Sn2Cu)
Parameter
*1 Input voltage
Symbol
VIN
Rating
Unit
V
40
Error input voltage
Input - output voltage
*2 Output - COM voltage
*3 ON/OFF control voltage
Switching current
*4 Power dissipation
*5 Junction temperature
VADJ
VI-O
VOUT
VC
7
V
41
V
-1
V
-0.3 to +40
V
ISW
PD
Tj
1.5
8
150
A
W
℃
Operating temperature
Storage temperature
Soldering temperature
-40 to +85
-40 to +150
260(10s)
Topr
Tstg
Tsol
℃
℃
℃
*1 Voltage between V terminal and COM terminal
IN
*2 Voltage between V
*3
terminal and COM terminal
OUT
Voltage between ON/OFF control and COM terminal
*4 P :With infinite heat sink
D
*5 There is case that over heat protection function operates at the temperature
Tj=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.
Sheet No.: OP06040A
1
PQ1CZ21H2ZxH
Electrical Characteristics
(Unless otherwise specified,condition shall be VIN=12V,I
O
=0.2A,V
O
=5V,ON-OFF terminal=2.7V,T =25℃)
a
Parameter
Output saturation voltage
Reference voltage
Symbol
TYP.
0.9
MAX.
1.5
Unit
V
Conditions
ISW=1A
MIN.
VSAT
Vref
－
1.235
1.26
±0.5
0.1
1.285
V
－
Reference voltage temperature fluctuation
Load regulation
Tj=0 to 125℃
IO=0.2 to 1A
VIN=8 to 35V
IO=1A
%
%
%
%
－
－
－
－
80
－
1.5
2.5
－
|RegL|
|RegI|
Line regulation
0.5
Efficiency
82
Oscillation frequency
fO
100
±3
2
120
kHz
%
－
Oscillation frequency temperature fluctuation
Overcurrent detecting level
ON threshold voltage
Tj=0 to 125℃
－
－
IL
1.55
2.6
A
Switching current peak
VTH(ON)
④ terminal=0V,⑤terminal
0.8
－
－
－
1.5
－
－
－
8
2
V
ON-state current for control
OFF-state current for control
Stand-by current
IC(ON)
⑤terminal=2.7V
⑤terminal=0.4V
200
2
IC(OFF)
ISD
1
VIN=40V,⑤terminal=0V
VIN=40V,④terminal=3V
Output OFF-state dissipation current
IQS
12
mA
－
Fig.1 Test Circuit
④
L
I
O
①
②
V
O
I
SD
PQ1CZ21H2ZxH
A
R
2
1
⑤
I
qs
+
+
Load
③
VIN
I
I
C(ON)
CO
A
D
CIN
C(OFF)
470 F
R
1k
ON/OFF control logic
L：HK-14D100-2110(made by Toho Co.)
D：ERCF80-004(made by Fuji electronics Co.)
Output
5 pin
LOW
OFF
ON
HIGH
OPEN
OFF
Fig.2 Power Dissipation vs.Ambient
Temperature
Fig.3 Overcurrent Protection
Characteristics (Typical Value)
10
7
Ta=25°C
6
5
4
3
2
VIN=12V
PD:With infinite heat sink
8
VO
=5V
5
1
0
0
-40 -25
0
0.5
1
1.5
2
2.5
3
3.5
4
0
25 50 75
100 125 150
85
Ambient temperature Ta (°C)
Output current IO (A)
Note) Oblique line portion:Overheat protection may operate in this area
Sheet No.: OP06040A
2
PQ1CZ21H2ZxH
Fig.4 Efficiency vs. Input Voltage
Fig.5 Output Saturation Voltage vs.
Switching Current
100
1.2
V
O
=12V, I
O=1A
Tj=25°C
Tj=25°C
V
O
=12V, I
O
=0.2A
1
90
80
70
0.8
0.6
0.4
V
O=5V, I
O=1A
V
O
=5V, I
O
=0.2A
60
50
0.2
0
0
0.5
1
1.5
2
0
10
20
30
40
Input voltage VIN (V)
Switching current ISW (A)
Fig.6 Reference Voltage Fluctuation vs.
Junction Temperature
Fig.7 Load Regulation vs. Output Current
1
2
V
V
IN=12V
T
V
V
j
=25°C
O=5V
IN=12V
O
=5V
1
0
0.5
0
-1
-2
–0.5
0
0.2
0.4
0.6
0.8
(A)
1
1.2
-50 -25
0
25
50
75 100 125
(°C)
Junction temperature T
j
Output current I
O
Fig.8 Line Regulation vs. Input Voltage
Fig.9 Oscillation Frequency Fluctuation vs.
Junction Temperature
1
2
VIN=12V
V
O=5V
0
0.5
0
-2
-4
-6
-8
T
V
j
=25°C
=5V
=0.2A
O
I
O
-10
-0.5
0
5
10 15 20 25 30 35 40
Input voltage VIN (V)
-50 -25
0
25
50
75 100 125
(°C)
Junction temperature T
j
Sheet No.: OP06040A
3
PQ1CZ21H2ZxH
Fig.10 Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
Fig.11 On Threshold Voltage vs. Junction
Temperature
2
1.5
1
6
4
2
0
V
IN=12V
-2
-4
0.5
0
-6
-8
-50 -25
0
25
50
75 100 125
(°C)
-50 -25
0
25
50
75 100 125
(°C)
Junction temperature T
j
Junction temperature T
j
Fig.12 Operating Dissipation Current vs.
Input Voltage
10
T
V
j
=25°C
=5V
O
9
8
7
IO=1A
IO=0.2A
No load
6
5
0
10
20
30
40
Input voltage VIN (V)
Fig.13 Power Dissipation vs. Ambient
Temperature (Typical Value)
Cu area 740mm2
2
Cu area 180mm2
1.5
Cu area 100mm2
Mounting PCB
Cu area 70mm2
PCB
1
Cu
Cu area 36mm2
0.5
Material
Size
: Glass-cloth epoxy resin
: 50×50×1.6mm
Cu thickness : 35μm
0
-40
-20
0
20
40
60
80
100 120
85 125
Ambient temperature Ta (°C)
Sheet No.: OP06040A
4
PQ1CZ21H2ZxH
Fig.14 Block Diagram
1
2
Voltage regulator
PWM COMP.
+
_
ON/
OFF
5
F/F
Q
ERROR AMP.
OSC.
R
Overcurrent
detection circuit
_
+
4
① VIN
S
② VOUT
③ COM (Common to heat sink)
④ Oadj
⑤ ON/OFF control
V
ref
Overheat
detection circuit
3
Fig.15 Step Down Type Circuit Diagram
④
L
210μH
①
②
⑤
VO
5V
PQ1CZ21H2ZxH
R
3kΩ
2
+
+
V
IN
Load
C
470μF
O
③
C
IN
D
8～35V
100μF
R
1
1kΩ
ON/OFF control signal
Fig.16 Polarity Inversion Type Circuit Diagram
0.47～1μF
④
L
130μH
①
②
⑤
PQ1CZ21H2ZxH
R2
3kΩ
+
+
V
IN
Load
③
5～30V
C
O
D
C
100μF
IN
2200μF
R
1
1kΩ
V
O
-5V
ON/OFF control signal
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.
Sheet No.: OP06040A
5
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