oscillation circuit. PQ1CZ38M2Z Datasheet

PQ1CZ38M2Z circuit. Datasheet pdf. Equivalent


Sharp Electrionic PQ1CZ38M2Z
Chopper Regulators
www.DataSheet4U.com
PQ1CZ38M2Z
PQ1CZ38M2Z
Chopper Regulator built-in 300kHz oscillation circuit
I Features
G Maximum switching current: 0.8A
G Built-in ON/OFF control function
G Built-in soft start function to suppress overshoot of output
voltage in power on sequence or ON/OFF control sequence
G Built-in oscillation circuit
(Oscillation frequency: TYP. 300kHz)
G Built-in overheat, overcurrent protection functions
G SC-63 package
G 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]
I Outline Dimensions
(Unit : mm)
6.6 MAX.
5.2 ±0.5
1CZ38M
( ) : Typical dimensions
2.3 ±0.5
(0.5)
3
Epoxy resin
(0 to 0.25)
0.5
+0.2
- 0.1
4(1.27)
(0.5)
I Applications
G Color TV
G Digital OA equipment
G Facsimiles, printers and other OA equipment
G Personal computers and amusement equipment
12345
1 VIN
2 VOUT
3 GND (Common to heat sink)
4 Oadj
5 ON/OFF control
I Absolute Maximum Ratings
(Ta=25°C)
Parameter
1 Input voltage
Error input voltage
Input-output voltage
Switching current
2 Output-COM voltage
3 ON/OFF control voltage
4 Power dissipation
5 Junction temperature
Operating temperature
Storage temperature
Soldering temperature
Symbol
VIN
Vadj
VIO
ISW
VOUT
VC
PD
Tj
Topr
Tstg
Tsol
Rating
40
7
41
0.8
1
0.3 to 40
8
150
20 to +80
40 to +150
260 (10s)
Unit
V
V
V
A
V
V
W
˚C
˚C
˚C
˚C
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 In case of with infinite heat sink,please refer fig.2.
5 Overheat protection may operate at Tj=125˚C to 150˚C
•Please refer to the chapter " Handling Precautions ".
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.
Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/


PQ1CZ38M2Z Datasheet
Recommendation PQ1CZ38M2Z Datasheet
Part PQ1CZ38M2Z
Description Chopper Regulator built-in 300kHz oscillation circuit
Feature PQ1CZ38M2Z; Chopper Regulators www.DataSheet4U.com PQ1CZ38M2Z PQ1CZ38M2Z Chopper Regulator built-in 300kHz osc.
Manufacture Sharp Electrionic
Datasheet
Download PQ1CZ38M2Z Datasheet




Sharp Electrionic PQ1CZ38M2Z
Chopper Regulators
PQ1CZ38M2Z
I Electrical Characteristics (Unless otherwise specified, condition shall be VIN=12V, IO=0.2A, VO=5V, ON-OFF terminals is open, Ta=25˚C)
Parameter
Symbol
Conditions
MIN. TYP. MAX. Unit
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
VSAT
Vref
Vref
|RegL|
ISW=0.5A
Tj=0 to 125˚C
IO=0.1 to 0.5A
0.9 1.5
1.235 1.26 1.285
− ±0.5
0.2 1.5
V
V
%
%
Line regulation
Efficiency
Oscillation frequency
|RegI|
η
fO
VIN=8 to 35V
IO=0.5A
1 2.5 %
80 %
270 300 330 kHz
Oscillation frequency temperature fluctuation fO
Overcurrent detecting level
IL
Tj=0 to 125˚C
− ±3
0.85 1.2
1.6
%
A
Charge current
ICHG 2 , 4 terminals is open, 5 terminal − −10 − µA
Input threshold voltage
VTHL Duty ratio=0%, 4 terminal=0V, 5 terminal 1.3
VTHH Duty ratio=100%, 4 terminal=1.1V, 5 terminal 2.1
V
V
ON threshold voltage
VTH(ON)
4 terminal=0V, 5 terminal
0.7 0.8 0.9 V
Stand-by current
Output OFF-state dissipation current
ISD VIN=40V, 5 terminal=0V
IQS VIN=40V, 4 terminal=0V, 5 terminal=0.9V
120 400 µA
5 10 mA
Fig.1 Test Circuit
ISD A
IQS
VIN
1
+
CIN
100µF
4
PQ1CZ38M2Z
3
2
5
A
ICHG
L
65µH
IO
VO
R2
D R1
1k
+
CO
470µF
Load
L : HK-12S120-9000 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
Fig.2 Power Dissipation vs. Ambient
Temperature
10 PD : With infinite heat sink
PD
5
0
20 0 20 40 60 80 100
Ambient temperature Ta (°C)
Note) Oblique line portion:Overheat protection may operate in this area
Fig.3 Overcurrent Protection
Characteristics (Typical Value)
6
Tj=25˚C
VIN=12V
5 VO=5V
4
3
2
1
0
0 0.5 1 1.5 2
Output current IO (A)



Sharp Electrionic PQ1CZ38M2Z
Chopper Regulators
Fig.4 Efficiency vs. Input Voltage
100
Tj=25˚C
VO=12V,IO=0.5A
90
VO=12V,IO=0.1A
80
70
VO=5V,IO=0.5A
60
VO=5V,IO=0.1A
50
0 10 20 30 40 50
Input voltage VIN (V)
Fig.6 Stand-by Current vs. Intput Voltage
250
Tj=25˚C
200
150
100
50
0
0 5 10 15 20 25 30 35 40
Intput voltage VIN (V)
Fig.8 Load Regulation vs. Output Current
1
Tj=25˚C
VIN=12V
VO=5V
0.5
0
0.5
0
0.1 0.2 0.3 0.4 0.5 0.6
Output current IO (A)
PQ1CZ38M2Z
Fig.5 Output Saturation Voltage vs.
Switching Current
1.6
Tj=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 1
Switching current ISW (A)
Fig.7 Reference Voltage Fluctuation vs.
Junction Temperature
2
VIN=12V
1.5 VO=5V
1
0.5
0
0.5
1
1.5
2
25 0 25 50 75 100 125
Junction temperature Tj (°C)
Fig.9 Line Regulation vs. Input Voltage
1.5
Tj=25˚C
VO=5V
IO=0.2A
1
0.5
0
0.5
0
10 20 30
Input voltage VIN (V)
40







@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)