1Sheet No.: OP06038
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.
■
Parameter Symbol Rating Unit
VIN
VADJ
VI-O 41 V
V
V
Output - COM voltage
Input - output voltage
Error input voltage
Input voltage
VOUT -1 V
ON/OFF control voltage VC-0.3 to +40 V
Switching current ISW 0.8 A
Power dissipation PD1 1.4 W
*1
*2
*3
*4
*5 Junction temperature Tj150 ℃
Operating temperature Topr -20 to +80 ℃
Storage temperature Tstg -40 to +150 ℃
Soldering temperature Tsol 260(10s) ℃
(Ta=25℃)
40
7
*1 Voltage between VIN terminal and COM terminal
*2 Voltage between VOUT terminal and COM terminal
*3 Voltage between VSOFT terminal and COM terminal
*4
Features Outline Dimensions
Lead finish:Lead-free solder plating
(Composition: Sn2Cu)
Applications
Absolute Maximum Ratings
PQ1CG38M2FZH/PQ1CG38M2RZH
PQ1CG38M2FZH
PQ1CG38M2RZH
PD2 14 W
(6.8)
4–(1.7) (5.0)
(1.5)
(0.5)
(2.0)
(24.6)
10.2MAX.
4.4MIN.
3.6±0.2
ø3.2±0.1
4.5±0.2
2.8±0.2
5.0±0.5
16.4±0.7
7.4±0.2
(1.5)
5–0.8±0.1
3.2±0.5
8.2±0.7
1 2 3 4 5
Epoxy resin
PQ1CG38M2FZH
ø3.2
±0.1
(6.8)
4–(1.7)
(1.7)
(2.2)
(24.6)
10.2
MAX.
(11.4)(3.6)
3.6
±0.2
4.5
±0.2
2.8
±0.2
6.0
±0.5
7.4
±0.2
(1.5)
0.8
±0.1
4.7
±0.6
4.7
±0.6
2.6
±0.5
1 2 3 4 5
Epoxy resin
(0.5)
PQ1CG38M2RZH
PD1:No heat sink,PD2:With infinite heat sink
TO-220 Type Chopper Regulator,
built-in 300kHz oscillation circuit
*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.
PQ1CG38M
H
PQ1CG38M
H
Lead finish
identification mark
①VIN
②VOUT
③COM
④Oadj
⑤ON/OFF
( ) : Typical dimensions
Product mass:(1.5g)
①VIN
②VOUT
③COM
④Oadj
⑤ON/OFF
( ) : Typical dimensions
Product mass:(1.5g)
Lead finish
identification mark
1.Maximum switching current: 0.8A
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,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
1.Color TV
2.Digital OA equipment
3.Facsimiles,printers and OA equipment
4.Personal computers and amusement equipment
2Sheet No.: OP06038
Electrical Characteristics
270 300 330 kHz
±3
Parameter Symbol Conditions MIN. MAX. Unit
Output saturation voltage 0.95 1.5 V
Reference voltage 1.235 1.26 1.285 V
Reference voltage temperature fluctuation
TYP.
－
ISW=0.5AVSAT
Vref －
Tj=0 to 125℃－±0.5 －%
Load regulation |RegL| IO=0.2 to 0.5A －0.2 1.5 %
Line regulation |RegI| VIN=8 to 35V －
－
1 2.5 %
%Efficiency IO=0.5A 80 －
－
Oscillation frequency fO－
Oscillation frequency temperature fluctuation Tj=0 to 125℃－
－
－
－
%
Overcurrent detecting level IL0.85 1.2 1.6 A
Charge current ICHG ②,④ terminals is open,⑤ terminal -10 －
－
－
Input threshold voltage VTHL
VTHH Duty ratio=0%,④ terminal=0V,⑤ terminal
Duty ratio=100%,④ terminal =1.1V, ⑤ terminal
1.3
2.1 V
V
VON threshold voltage VTH(ON) ④ terminal=0V,⑤ terminal 0.7 0.8 0.9
Stand-by current ISD VIN=40V,⑤ terminal=0V －
－
120 400
Output OFF-state dissipation current IQS 510
Fig.1 Test Circuit
PQ1CG38M2FZH/PQ1CG38M2RZH
(Unless otherwise specified,condition shall be V
IN
=12V,I
O
=0.5A,V
O
=5V,ON-OFF terminals is open,T
a
=25℃)
VIN=40V,④ terminal=0V,⑤ terminal =0.9V
L
D
Load
PQ1CG38M2
R
1
R
2
I
O
I
SD
I
QS
I
CHG
V
O
C
O
+
C
IN
V
IN
+
65 H
470 F
100 F1k
A
V
IN
A
A
L : HK-14S100-2110 (made by Toho Co.)
D : ERC80-004 (made by Fuji electronics Co.)
0
0
1
2
3
4
5
6
0.5 1 1.5 2
Ta=25°C
VIN =12V
VO=5V
mA
①②
③
④
⑤
ON/OFF control logic
Output
OFF
ON
5 pin
LOW
HIGH
OPEN ON
Note) Oblique line portion:Overheat protection may operate in this area
Ambient temperature Ta (°C)
Power dissipation PD (W)
Output current IO (A)
Output voltage VO(V)
Switching current peak
-20 0 25 50 75 80 100 125 150
20
15
10
5
0
PD2:With infinite heat sink
PD1:No heat sink
Fig.2 Power Dissipation vs.Ambient
Temperature Fig.3 Overcurrent Protection
Characteristics (Typical Value)
3
Sheet No.: OP06038
PQ1CG38M2FZH / PQ1CG38M2RZH
Fig.8 Load Regulation vs. Output Current
0
40
60
50
70
80
90
100
10 20 30 40
T
j
=25 C
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
0
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0.2 0.4 0.6 0.8 1
Tj=25 C
25
2
1.5
1
0.5
0
0.5
1
1.5
2
0
25 50 75 100 125
V
IN
=12V
V
O
=5V
0
0
50
100
150
200
250
5 10152025303540
T
j
=25 C
0
0.5
0
0.5
1
0.1
0.2 0.3 0.4 0.5 0.6
T
j
=25 C
V
IN
=12V
V
O
=5V
0
0.5
0
0.5
1
1.5
10 20 30 40
T
j
=25 C
V
O
=5V
I
O
=0.2A
Fig.4 Efficiency vs. Input Voltage
Fig.6 Stand-by Current vs. Input Voltage
Fig.5 Output Saturation Voltage vs.
Switching Current
Fig.7 Reference Voltage Fluctuation vs.
Junction Temperature
Input voltage VIN (V)
Efficiency (%)
Switching current ISW (A)
Output saturation voltage VSAT (V)
Junction temperature Tj (°C)
Reference voltage fluctuation (%)
Input voltage VIN (V)
Standby current ISD(μA)
Output current I
O
(A)
Load regulation RegL (%)
Input voltage V
IN
(V)
Fig.9 Line Regulation vs. Input Voltage
Line regulation R
eg
I (%)
4Sheet No.: OP06038
PQ1CG38M2FZH / PQ1CG38M2RZH
Fig.12 Threshold Voltage vs. Junction
Temperature
Fig.14 Block Diagram
Fig.13 Operating Dissipation Current vs.
Input Voltage
25
10
8
6
0
4
2
2
4
6
8
10
05025 75 100 125
V
IN
=12V
V
O
=5V
25
8
6
4
0
2
2
4
6
05025 75 100 125
25
0
0.5
1.5
1
2
2.5
3
05025 75 100 125
V
IN
=12V
V
TH(H)
V
TH(L)
V
TH(ON)
0
0
2
4
6
8
10
12
10 20 30 40
T
j
=25 C
V
O
=5V
I
O
=0.5A
I
O
=0.1A
No load
Voltage
regulator
Overcurrent
detection
circuit
Overheat
detection
circuit
ON/OFF
circuit
Q
R
S
F/F
2
5
4
1
3COM
PWM COMP.
VIN VOUT
ON/OFF control
Oadj
Vref
_
+
_
+
ERROR AMP.
Oscillator
Soft start
Operating dissipation current IQ'(mA)
Fig.10 Oscillation Frequency Fluctuation vs.
Junction Temperature
Junction temperature Tj(
°C
)Junction temperature Tj(
°C
)
Junction temperature Tj(
°C
)
Oscillation frequency fluctuation (%)
Fig.11 Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
Overcurrent detecting level fluctuation (%)
Threshold voltage VTH(ON), VTH(L), VTH(H)(V)
Input voltage VIN(V)
5
Sheet No.: OP06038
PQ1CG38M2FZH / PQ1CG38M2RZH
Fig.15 Step Down Type Circuit Diagram
Fig.16 Polarity Inversion Type Circuit Diagram
L
D
5
3
4
PQ1CG38M2
R
1
R
S
R
2
V
O
5V
C
O
C
IN
C
S
V
IN
+ +
65 H
470 F
100 F
8 to 35V
3k
1k
ON/OFF control signal R
S
≤50k
Load
ON/OFF control signal
Load
①②
L
D
R
1
R
2
C
O
+
C
IN
V
IN
V
O
5V
+
65 H
2 200 F
100 F
5～30V
3k
1k
R
S
C
S
②①
④
③
⑤
PQ1CG38M2
0.47～1μF
100k～
680kΩ
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.
