SHARP PQ1CYXX3LZPH

PQ1CYxx3LZPH Series
PQ1CYxx3LZPH Series
To-263 Surface Mount Type
Chopper Regulator
■ Outline Dimensions
1.Maximum switching current: 3.5A
2.Built-in ON/OFF control function
3.High frequency oscillation
(Oscillation frequency: 150kHz)
4.Built-in overheat protection function, overcurrent shut-down
function
5.Fixed output voltage type
(Output voltage is 3.3V/5.0V)
6.RoHS directive compliant
(Unit:mm)
13.7MAX.
8.4±0.5
Lead finish
identification mark
(0.55)
10.6MAX.
3.5±0.5
3.28±0.5
1 C Y503L
(0.6)
φ2
H
(2.4)
Features
Epoxy resin
Applications
(0.45)
1.05+0.2
–0.1
(0.6)
(0.45)
1.05+0.2
–0.1
3–0.9+0.2
–0.1
4–(1.7)
(0.6)
(
( 1.3)
(0 to 0.25)
(0.6)
) : Typical dimensions
Product mass:(1.0g)
1.Digital AV equipment
2.OA equipment
3.CRT monitor/LCD monitor
1 2 3 4 5
1
2
3
4
Model Line-up
5
Output Voltage
Model No.
3.3V
PQ1CY333LZPH
5.0V
PQ1CY503LZPH
VIN
VOUT
GND (Connected with heat sink)
FB
ON/OFF
Lead finish:Lead-free solder plating
(Composition: Sn2Cu)
Absolute Maximum Ratings
(Ta=25°C)
Parameter
Input voltage
FB pin voltage
Input-output voltage
*2
Output-GND voltage
*3
ON/OFF pin voltage
*1
Switching current
Power dissipation
*5
Junction temperature
*4
Operating temperature
Storage temperature
Soldering temperature
Symbol
VIN
VFB
VI-O
VOUT
VC
ISW
PD
Tj
Topr
Tstg
Tsol
Rating
40
8
41
-1
-0.3 to 40
3.5
35
150
-20 to +85
-40 to +150
260(10s)
Unit
V
V
V
V
V
A
W
°C
°C
°C
°C
*1 Voltage between VIN terminal and GND terminal.
*2 Voltage between VOUT terminal and GND terminal.
*3 Voltage between ON/OFF terminal and GND 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.: OP06055
PQ1CYxx3LZPH Series
Electrical Characteristics
(Unless otherwise specified,condition shall be VIN=12V,IO=0.5A,ON-OFF terminals is open,Ta=25℃)
Parameter
Symbol
PQ1CY333LZPH
PQ1CY503LZPH
Input voltage range
Output saturation voltage
PQ1CY333LZPH
PQ1CY503LZPH
Output voltage
Conditions
VIN
－
VSAT
ISW=3A
VO
－
TYP.
MAX.
Unit
－
V
－
3.218
4.875
－
1.4
30
40
1.8
V
3.3
5
3.382
5.125
V
MIN.
5.5
7
%
ΔVREF
Tj=0 to 125°C
Load regulation
｜RegL｜
IO=0.5 to 3A
－
－
±0.5
0.2
－
1.5
%
Line regulation
｜RegI｜
PQ1CY333LZPH: VIN=5.8 to 25V
PQ1CY503LZPH: VIN=8 to 35V
－
1.3
2.5
%
η
IO=3A
－
77
－
80
150
±2
－
165
－
kHz
%
4.7
5
0.1
5.8
－
－
A
μA
μA
1.5
150
8
2
400
16
V
μA
mA
Temperature change in reference voltage
PQ1CY333LZPH
PQ1CY503LZPH
Efficiency
Oscillation frequency
Temperature change in oscillator frequency
Over current detector level
Off-state current for control
On-state current for control
ON threshold voltage
Stand-by current
Output off-state consumption current
fO
－
－
135
ΔfO
Tj=0～125°C
－
IL
IC(OFF)
IC(ON)
VTHON
Switching current peak
5pin=2.5V
5pin=0.5V
3.6
－
－
4pin=0V,5pin
0.8
ISD
IQS
VIN=40V,5pin=5V
VIN=40V,4pin=VO+10%
－
－
%
Fig.1 Standard measuring circuit
④
ISD
IQS
L
45μH
②
①
IO
VO
PQ1CYxx3LZPH
A
A
⑤
+
VIN
+
③
CIN
220μF
5pin　LOW
HIG H
OPE N
A
IC(ON)
IC(OFF)
Load
CO
1000μH
D
L:HK-10S100-4500(TOHO ZINC CO.,LTD.)
D:ERC80-004(FUJI ELECTRONIC COMPONENTS,LTD)　Output　ON
OFF
ON
Fig.3 Overcurrent Protection Characteristics
(PQ1CY333LZPH)
Fig.2 Power Dissipation vs.Ambient
Temperature
4
40
PD:With infinite heat sink
30
Output voltage Vo (V)
Power dissipation PD (W)
35
25
20
15
10
3
2
1
Ta=25°C
VIN=12V
5
0
-20
0
25
50
75 85 100 125
0
150
Ambient temperature Ta (°C)
0
1
2
3
4
5
Output current IO (A)
Note) Oblique line portion:Overheat protection may operate in this area
Sheet No.: OP06055
2
PQ1CYxx3LZPH Series
Fig.4 Overcurrent Protection Characteristics
(PQ1CY503LZPH)
Fig.5 Efficiency vs. Input Voltage
（PQ1CY333LHZPH)
100
5
Tj=25°C
4
90
Efficiency η(%)
Output voltage Vo (V)
95
3
2
85
Io=0.5A
80
75
Io=3A
70
1
0
Ta=25°C
VIN=12V
0
65
1
2
3
4
60
5
0
5
Output current IO (A)
Output saturation voltage VSAT(V)
Efficiency η(%)
90
Io=0.5A
80
Io=3A
70
65
60
0
5
10
15
20
25
30
35
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
40
0
1
Output voltage fluctuation (%)
Standby current ISD(μA)
150
100
50
20
30
4
1.0
200
10
3
Fig.9 Output Voltage Fluctuation vs.
Junction Temperature
Tj=25°C
0
2
Switching current ISW (A)
Fig.8 Stand-by Current vs. Input Voltage
0
30
Tj=25°C
Input voltage VIN (V)
250
25
1.6
95
75
20
Fig.7 Output Saturation Voltage vs.
Switching Current
Tj=25°C
85
15
Input voltage VIN (V)
Fig.6 Efficiency vs. Input Voltage
（PQ1CY503LHZPH)
100
10
0.5
0.0
-0.5
-1.0
-25
40
Intput voltage VIN (V)
0
25
50
75
100
125
Junction temperature Tj (°C)
Sheet No.: OP06055
3
PQ1CYxx3LZPH Series
Fig.10 Load Regulation vs. Output
Current(PQ1CY333LZPH)
Fig.11 Load Regulation vs. Output
Current(PQ1CY503LZPH)
2.0
Tj=25°C
VIN=12V
1.5
Load regulation RegL(%)
Load regulation RegL(%)
2.0
1.0
0.5
0.0
-0.5
0
0.5
1.0
1.5
2.0
2.5
1.0
0.5
0.0
-0.5
3.0
Tj=25°C
VIN=12V
1.5
0
0.5
Fig.12 Line Regulation vs. Input Voltage
Tj=25°C
IO=0.5A
1.5
PQ1CY333LZPH
1.0
PQ1CY503LZPH
0.5
0.0
-0.5
0
5
10
15
20
25
30
35
40
2.5
3.0
5
0
-5
-10
-25
0
25
50
75
100
125
Junction temperature Tj (°C)
Fig.14 Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
Fig.15 ON Threshold Voltage vs. Junction
Temperature
2.0
5
ON threshold voltage VTHON (V)
Overcurrent detecting level fluctuation (%)
2.0
10
Input voltage VIN (V)
0
-5
-10
-25
1.5
Fig.13 Oscillation Frequency Fluctuation vs.
Junction Temperature
Oscillation frequency fluctuation Δf O(%)
Line regulation RegI (%)
2.0
1.0
Output current IO (A)
Output current IO (A)
0
25
50
75
100
1.5
1.0
0.5
0
-25
125
Junction temperature Tj (°C)
0
25
50
75
100
125
Junction temperature Tj (°C)
Sheet No.: OP06055
4
PQ1CYxx3LZPH Series
Fig.16 Operating Dissipation Current vs.
Input Voltage(PQ1CY333LZPH)
15
Tj=25°C
Operating dissipation current IQ' (mA)
Operating dissipation current IQ' (mA)
15
Fig.17 Operating Dissipation Current vs.
Input Voltage(PQ1CY503LZPH)
Io=3A
Io=0.5A
10
No Load
5
0
Io=3A
Io=0.5A
10
No Load
5
0
0
5
10
15
20
25
30
Tj=25°C
0
5
10
15
20
25
30
35
40
Input voltage VIN (V)
Input voltage VIN (V)
Fig.18 Power Dissipation vs. Ambient
Temperature (Typical Value)
Power dissipation PD (W)
6
5
4
3
2
Cu area 3600mm2
Cu area 900mm2
Mounting PCB
Cu area 400mm2
PCB
Cu
Cu area 115mm2
1
0
-40 -20
Material
: Glass-cloth epoxy resin
Size
: 60×60×1.6mm
Cu thickness : 65μm
0
25
50
75 85 100
125
Ambient temperature Ta (°C)
Fig.19 Block diagram
VIN
Voltage
regulator
ON/OFF
circuit
PWM COMP.
Over current
detection circuit
V OUT
5
ON/OFF
FB
+
_
Q
R
F/F
2
4
Oscillator
1
S
_
+
ERROR AMP.
Vref
Over heat
detection circuit
fO converter
circuit
3
GND
Sheet No.: OP06055
5