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,overcurrent protection functions
6.TO-220 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.PQ1CG38M2FZH: Zigzag forming
PQ1CG38M2RZH:
Self-stand forming
9.RoHS
directive compliant
TO-220 Type Chopper Regulator,
built-in 300kHz oscillation circuit
■
Outline Dimensions
PQ1CG38M2FZH
3.6
±0.2
10.2
MAX.
(1.5)
(6.8)
4.5
±0.2
2.8
±0.2
7.4
±0.2
ø3.2
±0.1
PQ1CG38M
H
(0.5)
5–0.8
±0.1
(1.5)
MIN.
(2.0)
(5.0)
8.2
±0.7
Epoxy resin
4–(1.7)
3.2
±0.5
(
) : Typical dimensions
Applications
1
2
3
4
5
Product mass:(1.5g)
①V
IN
②V
OUT
③COM
④O
adj
⑤ON/OFF
3.6
±0.2
1.Color TV
2.Digital OA equipment
3.Facsimiles,printers and OA equipment
4.Personal computers and amusement equipment
PQ1CG38M2RZH
10.2
MAX.
(1.5)
4.5
±0.2
2.8
±0.2
(6.8)
Absolute Maximum Ratings
Parameter
Symbol
*1
V
IN
Input voltage
Error input voltage
V
ADJ
Input - output voltage
V
I-O
*2
Output - COM voltage
V
OUT
*3
ON/OFF control voltage
V
C
I
SW
Switching current
P
D1
*4
Power dissipation
P
D2
*5
Junction temperature
T
j
Operating temperature
T
opr
Storage temperature
T
stg
Soldering temperature
T
sol
(Ta=25℃)
Rating
Unit
40
V
7
V
41
V
-1
V
-0.3 to +40
V
0.8
A
1.4
W
14
W
150
℃
-20 to +80
℃
-40 to +150
℃
260(10s)
℃
7.4
±0.2
ø3.2
±0.1
PQ1CG38M
Lead finish
identification mark
4.4
(24.6)
5.0
±0.5
(2.2)
(24.6)
H
Epoxy resin
(1.7)
0.8
±0.1
(0.5)
4–(1.7)
4.7
±0.6
4.7
±0.6
2.6
±0.5
(
) : Typical dimensions
Product mass:(1.5g)
①V
IN
②V
OUT
③COM
④O
adj
⑤ON/OFF
1
2
3
4
5
*1 Voltage between V
IN
terminal and COM terminal
*2 Voltage between V
OUT
terminal and COM terminal
*3 Voltage between V
SOFT
terminal and COM terminal
*4 P
D1
:No heat sink,PD2: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.
Lead finish:Lead-free solder plating
(Composition: Sn2Cu)
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.: OP06038
(3.6)
6.0
±0.5
(11.4)
16.4
±0.7
Lead finish
identification mark
PQ1CG38M2FZH/PQ1CG38M2RZH
Electrical Characteristics
(Unless otherwise specified,condition shall be V
IN
=12V,I
O
=0.5A,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
=0.5A
－
T
j
=0 to 125℃
I
O
=0.2 to 0.5A
V
IN
=8 to 35V
I
O
=0.5A
－
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
－
0.85
－
－
－
0.7
－
－
TYP.
0.95
1.26
±0.5
0.2
1
80
300
±3
1.2
-10
1.3
2.1
0.8
120
5
MAX.
1.5
1.285
－
1.5
2.5
－
330
－
1.6
－
－
－
0.9
400
10
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
A
+
V
IN
PQ1CG38M2
L
65 H
②
I
O
V
O
⑤
③
C
IN
100 F
A
D
R
2
+
Load
I
CHG
R
1
1k
C
O
470 F
ON/OFF control logic
5 pin
LOW
HIG H
OPEN
L : HK-14S100-2110 (made by Toho Co.)
D : ERC80-004 (made by Fuji electronics Co.)
Output
OFF
ON
ON
Fig.2 Power Dissipation vs.Ambient
Temperature
20
Fig.3 Overcurrent Protection
Characteristics (Typical Value)
6
5
Output voltage V
O
(V)
T
a
=25°C
V
IN
=12V
V
O
=5V
Power dissipation P
D
(W)
15
P
D2
:With infinite heat sink
4
3
2
1
10
5
P
D1
:No heat sink
0
-20
0
25
50
75 80 100
125
150
0
Ambient temperature T
a
(°C)
Note) Oblique line portion:Overheat protection may operate in this area
0
0.5
1
1.5
Output current I
O
(A)
2
Sheet No.: OP06038
2
PQ1CG38M2FZH / PQ1CG38M2RZH
Fig.4 Efficiency vs. Input Voltage
100
T
j
=25 C
90
Efficiency (%)
80
70
60
50
40
0
V
O
=5V,I
O
=0.1A
V
O
=5V,I
O
=0.5A
V
O
=12V,I
O
=0.1A
V
O
=12V,I
O
=0.5A
10
20
30
Input voltage V
IN
(V)
40
Fig.5 Output Saturation Voltage vs.
Switching Current
Output saturation voltage V
SAT
(V)
1.6
T
j
=25 C
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
0.2
0.4
0.6
0.8
Switching current I
SW
(A)
1
Fig.6 Stand-by Current vs. Input Voltage
250
Fig.7 Reference Voltage Fluctuation vs.
Junction Temperature
2
Reference voltage fluctuation (%)
T
j
=25 C
1.5
1
0.5
0
0.5
1
1.5
2
25
0
25
50
75
V
IN
=12V
V
O
=5V
Standby current I
SD
(μA)
200
150
100
50
0
0
5
10 15 20 25 30
Input voltage V
IN
(V)
35 40
100
125
Junction temperature Tj (°C)
Fig.8 Load Regulation vs. Output Current
1
Load regulation RegL (%)
Fig.9 Line Regulation vs. Input Voltage
1.5
Line regulation R
eg
I (%)
T
j
=25 C
V
IN
=12V
V
O
=5V
0.5
1
T
j
=25 C
V
O
=5V
I
O
=0.2A
0.5
0
0
0.5
0
0.1
0.2
0.3
0.4 0.5
Output current I
O
(A)
0.6
0.5
0
10
20
30
Input voltage V
IN
(V)
40
Sheet No.: OP06038
3
PQ1CG38M2FZH / PQ1CG38M2RZH
Fig.10 Oscillation Frequency Fluctuation vs.
Junction Temperature
10
Fig.11 Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
Overcurrent detecting level fluctuation (%)
6
4
2
0
2
4
6
8
25
0
25
50
75
100
Junction temperature Tj(°C)
125
Oscillation frequency fluctuation (%)
8
6
4
2
0
2
4
6
8
10
25
V
IN
=12V
V
O
=5V
0
25
50
75
100
Junction temperature Tj(°C)
125
Fig.12 Threshold Voltage vs. Junction
Temperature
Threshold voltage V
TH(ON)
, V
TH(L)
, V
TH(H)
(V)
Fig.13 Operating Dissipation Current vs.
Input Voltage
Operating dissipation current I
Q'
(mA)
12
10
8
6
I
O
=0.1A
4
2
0
0
10
20
30
Input voltage V
IN
(V)
40
No load
I
O
=0.5A
T
j
=25 C
V
O
=5V
3
V
IN
=12V
2.5
2
1.5
1
0.5
0
25
0
25
50
75
100
Junction temperature Tj(°C)
125
V
TH(ON)
V
TH(L)
V
TH(H)
Fig.14 Block Diagram
1
V
IN
2
V
OUT
Voltage
regulator
ON/OFF
circuit
5
_
+
Soft start
PWM COMP.
ON/OFF control
Overcurrent
detection
circuit
F/F
Q
R
S
Oscillator
_
+
ERROR AMP.
V
ref
4
O
adj
Overheat
detection
circuit
3
COM
Sheet No.: OP06038
4
PQ1CG38M2FZH / PQ1CG38M2RZH
Fig.15 Step Down Type Circuit Diagram
4
①
PQ1CG38M2
②
L
65 H
V
O
5V
5
+
V
IN
8 to 35V
3
C
IN
100 F
C
S
R
S
D
R
2
3k
+
Load
C
O
470 F
R
1
1k
ON/OFF control signal
R
S
≤50k
Fig.16 Polarity Inversion Type Circuit Diagram
0.47½1μF
100k½
680kΩ
④
①
PQ1CG38M2
⑤
+
②
L
65 H
R
2
3k
R
S
D
R
1
1k
+
C
O
2 200 F
V
IN
5½30V
③
C
IN
100 F
Load
C
S
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.
京公网安备 11010802033920号
EEWORLD
