PQ1CZ41H2ZxH
PQ1CZ41H2ZxH
TO-220 Type Chopper Regulator, built-in 300kHz oscillation circuit
Features
1.Maximum switching current: 1.5A 2.Built-in ON-OFF control function 3.Built-in soft start function to suppress overshoot of output voltage in power on sequence or ON/OFF control sequence 4.Built-in oscillation circuit (Oscillation frequency:TYP.300kHz) 5.Built-in overheat protection function,overcurrent protection function 6.SC-63 Surface Mount Type package 7.Variable output voltage (Output variable range: Vref to 35V/–Vref to –30V) [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
MIN.
(0 to 0.25) 0.5 +0.2 -0.1 4-(1.27)
(
2.5
) : Typical dimensions
Product mass:(0.3g)
1 2 3 4 5
①VIN ②VOUT ③COM(Connected with heat sink) ④Oadj 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 *1 VIN Input voltage Error input voltage VADJ Input - output voltage VI-O *2 Output - COM voltage VOUT *3 VC ON/OFF control voltage ISW Switching current *4 Power dissipation PD *5 Junction temperature Tj Operating temperature Topr Storage temperature Tstg Soldering temperature Tsol (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 VIN terminal and COM terminal *2 Voltage between VOUT terminal and COM terminal *3 Voltage between ON/OFF control and COM terminal *4 PD:With infinite heat sink *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.
1
Sheet No.: OP06041
(0.9)
(0.5)
(1.7)
PQ1CZ41H2ZxH
Electrical Characteristics (Unless otherwise specified,condition shall be VIN=12V,IO=0.2A,VO=5V,ON-OFF terminals is open,Ta=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 VSAT Vref |RegL| |RegI| fO IL ICHG VTHL VTHH VTH(ON) ISD IQS Conditions ISW=1A - Tj=0 to 125℃ IO=0.2 to 1A VIN=8 to 35V IO=1A - Tj=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 VIN=40V,⑤ terminal=0V VIN=40V,④ terminal=0V,⑤ terminal =0.9V
Fig.1 Test Circuit
④ ①
ISD IQS + VIN CIN A A PQ1CZ41H2ZxH L
②
IO VO
⑤ ③
A
D
R2
+ Load
ICHG
R1
CO
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 PD (W)
8
PD:With infinite heat sink
5
Output voltage VO(V)
4 3 2 1
5
0 -20
0 0 25 50 75 100 125 150
0
1
2
3
4
Ambient temperature Ta (°C)
Note) Oblique line portion:Overheat protection may operate in this area
Output current IO (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 VSAT(V)
VO=12V,IO=1A VO=12V,IO=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
VO=5V,IO=0.2A VO=5V,IO=1A
60
50
0
10
20
30
40
Input voltage VIN (V)
Switching current ISW (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
VIN=12V VO=5V
Standby current ISD(μA)
200
150
100
50
0
0
10
20
30
40
100
125
Intput voltage VIN (V)
Junction temperature Tj (°C)
Fig.8 Load Regulation vs. Output Current
1.5 Tj=25°C VIN=12V VO=5V
Fig.9 Line Regulation vs. Input Voltage
1.5
Load regulation RegL(%)
Line regulation RegI (%)
1
1
0.5
0.5
0
0 Tj=25°C VO=5V IO=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 IO (A)
Input voltage VIN (V)
Sheet No.: OP06041
3
PQ1CZ41H2ZxH
Fig.10 Oscillation Frequency Fluctuation vs. Junction Temperature
Oscillation frequency fluctuation Δ f O(%)
10 VIN=12V VO=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 Tj (°C)
Junction temperature Tj (°C)
Fig.12 On Threshold Voltage vs. Junction Temperature
ON threshold voltage VTHON,VTHL,VTHH (V)
3
Fig.13 Operating Dissipation Current vs. Input Voltage
10
VTHH
2.5 2
Operating dissipation current IQ' (mA)
VIN=12V
Tj=25°C VO=5V 9
VTHL
1.5 1 0.5 0 -40 -25
8
IO=1A
7
IO=0.2A
6
VTHON
0 25 50 75 100 125
No Load
5 0 10 20 30 40
Junction temperature Tj (°C)
Input voltage VIN (V)
Fig.14 Power Dissipation vs. Ambient Temperature (Typical Value)
Cu area 740mm2
Power dissipation PD (W)
2
1.5
Cu area 180mm2 Cu area 100mm
2
Mounting PCB PCB Cu
1
Cu area 70mm
2
Cu area 36mm2
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 Ta (°C)
Sheet No.: OP06041
4
PQ1CZ41H2ZxH
Fig.15 Block Diagram
1
VIN
2
VOUT
Voltage regulator
ON/OFF circuit 5
PWM COMP.
_
Soft start
ON/OFF control
+
Overcurrent detection circuit
F/F
Q R S
Oscillator
_ +
ERROR AMP. Vref
4
Oadj
Overheat detection circuit 3
COM
Fig.16 Step Down Type Circuit Diagram
④ ①
PQ1CZ41H2ZxH
L
②
VO
5V
⑤
+
R2
3k +
VIN
8 to 35V
③
CIN
CS
RS
Load
D
CO R1
1k
ON/OFF control signal
Fig.17 Polarity Inversion Type Circuit Diagram
0.47~1μF 100k~ 680kΩ
4 1 2
L 65μH
PQ1CZ41H2ZxH
5 VIN 5~30V + 3 CIN 100μF CS RS D
R2 3kΩ + CO 2200μF Load
R1 1kΩ
RS≦50kΩ ON/OFF control signal
VO
-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.
Sheet No.: OP06041
5
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