Surface mount type package (equivalent to SC-63, 5-terminal
type)
6.6MAX
5.2±0.5
3
q
Variable output voltage (V
ref
to 35V/–V
ref
to –30V)
q
Built-in ON/OFF control function
q
Built-in overheat protection function and overcurrent
9.7MAX
2.3±0.5
(0.5)
5.5±0.5
protection function
q
Built-in soft start function
1CZ1
(1.7)
2.5MIN
s
q
q
Applications
0.5
+0.2
–0.1
4–(1.27)
(0.9)
Personal computers
Word processors
q
Printers
q
Car audio equipment
(0.5)
( ):Typical values
1
2
3
4
5
1
2
3
4
5
V
IN
V
OUT
COM(equivalent to heat sink)
O
ADJ
V
C
s
❇1
Absolute Maximum Ratings
(T
a
=25˚C)
Parameter
Symbol
Rating
Unit
V
IN
Input voltage
40
V
V
ADJ
Error input voltage
7
V
V
i
-
O
Input-output voltage
41
V
I
SW
Switching current
1.5
A
❇2
Voltage between output and COM
V
OUT
–1
V
❇3
ON/OFF control voltage
V
C
–0.3 to 40
V
❇4
Power dissipation
P
D
8
W
T
j
Junction temperature
150
˚C
T
opr
Operating temperature
–20 to +80
˚C
T
stg
Storage temperature
–40 to +150
˚C
T
sol
Soldering temperature
260(For 10s) ˚C
❇1
❇2
❇3
❇4
Voltage between V
IN
terminal and COM terminal.
Voltage between V
OUT
terminal and COM terminal.
Voltage between Vc terminal and COM terminal.
With infinite heat sink, Refer to Fig.1
• Please refer to the chapter " Handling Precautions ".
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/
Notice
Chopper Regulators
PQ1CZ1
(Unless otherwise specified, condition shall be V
IN
=12V, Io=0.2A, Vo=5V,
5
terminal is open, T
a
=25˚C)
Symbol
V
SAT
V
ref
∆V
ref
|R
eg
L|
|R
eg
I|
η
fo
∆fo
D
MAX
I
L
I
CHG
V
THL
V
THH
V
TH(ON)
I
SD
I
qs
Conditions
Io=1A, no L,D,C
O
––
T
j
=0 to 125˚C
I
O
=0.2 to 1A
V
IN
=8 to 35V
I
O
=1A
––
T
j
=0 to 125˚C
4
terminal = open
No L,D,C
O
2
,
4
terminals are open
Duty=0%,
4
terminal =OV,
5
terminal
Duty=D
MAX
,
4
terminal is open.,
5
terminal
4
terminal=0V,
5
terminal
V
IN
=40V,
5
terminal =0V
V
IN
=40V,
4
terminal =3V
MIN.
––
1.235
––
––
––
––
80
––
90
1.55
–15
1.95
3.25
1.05
––
––
TYP.
0.9
1.26
±
0.5
0.1
0.5
82
100
±
2
––
2
–10
2.25
3.55
1.4
150
8
MAX.
1.5
1.285
––
1.5
2.5
––
120
––
––
2.6
–5
2.55
3.85
1.75
400
12
Unit
V
V
%
%
%
%
kHz
%
%
A
µA
V
V
µA
mA
s
Electrical Characteristics
Parameter
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
Oscillation frequency temperature fluctuation
Maximum duty
Overcurrent detecting level
Charge current
Input threshold voltage
ON threshold voltage
Stand-by current
Output OFF-state dissipation current
Fig. 1 Test Circuit
4
I
SD
I
qs
1
2
5
L
210µH
I
O
V
O
A
+
3
D
R
2
R
1
+
Road
V
IN
C
IN
100µF
A
I
CHG
C
O
1kΩ
2.2
n
F
470µF
R
2
Output voltage [V
O
]=V
ref
×
1+
––
V
R
1
L : HK-HK-14D100-2110(made by Toho Co.)
D : ERC80-004(made by Fuji electronics Co.)
Fig. 2
10
Power dissipation P
D
(W)
Power Dissipation vs. Ambient
Temperature
P
D
: With infinite heat sink
Fig. 3 Overcurrent Protection
Characteristics (Typical Value)
7
T
j
=25˚C
V
IN
=12V
Vo=5V
C
IN
=100µF
Co=470µF
L=210µH
P
D
6
Output voltage Vo (V)
5
4
3
2
1
5
0
–20
Note)
0
0
20
40
60
80 100
Ambient temperature T
a
(˚C)
0
0.5
1 1.5 2 2.5 3
Output current Io (A)
3.5
4
Oblique line portion : Overheat protection may operate in this area.
Chopper Regulators
Fig. 4
100
T
j
=25˚C
90
Efficiency
η
(%)
PQ1CZ1
Fig. 5
Switching Current vs. Output
Saturation Voltage
T
j
=25˚C
Efficiency vs. Input Voltage
V
O
=12V, I
O
=1.0A
Switching current I
SW
(A)
2.0
1.5
1.0
0.5
0
80
V
O
=12V, I
O
=0.2A
70
60
50
0
10
20
30
Input voltage V
IN
(V)
40
V
O
=5V, I
O
=1.0A
V
O
=5V, I
O
=0.2A
0
0.5
1.0
1.5
Output saturation voltage V
SAT
(V)
Fig. 6
Stand-by Current vs. Input Voltage
T
j
=25˚C
Fig. 7
2
Reference Voltage Fluctuation vs.
Junction Temperature
V
IN
=12V
Vo=5V
Stand-by current I
SD
(µA)
200
150
100
50
0
0
5
10
15 20 25 30 35
Input voltage V
IN
(V)
40
Reference voltage fluctuation
∆V
REF
(%)
1
0
–1
–2
–25
0
25
50
75
100 125
Junction temperature T
j
(˚C)
Fig. 8
1
Load regulation R
eg
L (%)
Load Regulation vs. Output Current
T
j
=25˚C
V
IN
=12V
Vo=5V
C
IN
=100µF
C
O
=470µF
L=210µH
Fig. 9
1
Line Regulation vs. Input Voltage
T
j
=25˚C, Io=0.2A
Vo=5V, C
IN
=100µF
C
O
=470µF, L=210µH
0.5
Line regulation R
eg
I (%)
0.5
0
0
–0.5
0
0.2
0.4
0.6
0.8
Output current I
O
(A)
1
–0.5
0
5
10 15 20 25 30
Input voltage V
IN
(V)
35
40
Chopper Regulators
Fig.10 Oscillation Frequency Fluctuation vs.
Junction Temperature
5
Oscillation frequency fluctuation (%)
PQ1CZ1
Fig.11 Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
Overcurrent detecting level fluctation (%)
15
10
5
0
–5
–10
–15
–25
4
3
2
1
0
–1
–2
–3
–4
–5
–25
V
IN
=12V
Vo=5V
0
25
50
75
100 125
Junction temperature T
j
(˚C)
0
25
50
75
100
Junction temperature T
j
(˚C)
125
Fig.12 Threshold Voltage vs. Junction
Temperature
Threshold voltage V
TH(ON),
V
THL,
V
THH
(V)
4.5
4
3.5
3
2.5
2
1.5
1
0.5
–50 –25 0
25 50 75 100 125
Junction temperature T
j
(˚C)
V
TH(ON)
V
THL
V
THH
V
IN
=12V
Fig.13 Operating Dissipation Current vs.
Input Voltage
10
Operating dissipation current I
Q
' (mA)
9
8
7
Io=0.2A
Io=1A
T
j
=25˚C
Vo=5V
No load
6
5
0
10
20
30
Input voltage V
IN
(V)
40
Fig.14 Power Dissipation vs. Ambient
Temperature (Typical Value)
3
Power dissipation P
D
(W)
Cu area 740mm
2
2
PWB
Cu area 180mm
1
2
2
PWB
Cu
Cu area 100mm
Cu area 70mm
2
Cu area 36mm
2
Material
: Glass-cloth epoxy resin
Size
: 50 X 50 X 1.6mm
Cu thickness : 35µm
0
–20
0
20
40
60
80 100
Ambient temperature T
a
(˚C)
Chopper Regulators
PQ1CZ1
s
Block Diagram
1
V
IN
2
V
OUT
Voltage
regulator
ON/OFF
circuit
5
+
PWM COMP
ON/OFF
Over current
detecting
circuit
Q
R
S
Oscillation
F/F
––
Soft start
–
–
+
4
O
ADJ
ERROR AMP.
Over current
detecting
circuit
3
V
ref
COM
s
Step Down Type Circuit Diagram (5V output)
4
1
2
L 210
µH
V
O
=5V
PQ1CZ1
5
R
S
C
IN
100µF
3
D
R
1
1kΩ
C
O
470µF
C
S
R
S
<=50kΩ
ON/OFF control signal
s
Polarity Inversion Type Circuit Diagram (–5V output)
I would like to ask all the experts, has anyone ever read and written the internal information of the second-generation ID card, or carried out secondary development? How to read and write, and is the...
http://www.96qd.com/driver/softdown.asp?softid=166173 Could any kindhearted person please help me download this driver, and send it to me after compressing it, thank you very much! My email: hkds2008@...
I recently wrote a program to operate the radio frequency card. I encountered some problems and would like to share them. Radio frequency card introduction: Radio frequency cards are mainly divided in...
1) Go to ST Chinese homepage: http://www.stmicroelectronics.com.cn/2) Click "Microcontroller" in the "Products" column3) Click "China ** Region" in the "Greater China Related Information" columnYou sh...
Magnetic resonance imaging (MRI) systems can take high-resolution cross-sectional perspective images of the human body, providing very useful information for medical diagnosis. The radio frequency pro...[Details]
Blood pressure is one of the important physiological parameters of the human body. Accurate measurement of it is conducive to early detection and identification of hypertension types, and to the pro...[Details]
0 Introduction to the direct method of feedback linearization based on dynamic equilibrium state theory
The basic idea of the direct method of feedback linearization based on dynamic equilib...[Details]
Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide...[Details]
In electronic measurement technology, frequency measurement is one of the most basic measurements. The commonly used frequency measurement method and period measurement method have great limitation...[Details]
Many MEMS devices, such as accelerometers and mechanical resonance devices, require a vacuum environment to realize their designed functions. However, verifying whether the package cavity has reach...[Details]
introduction
Taking care of babies is very tiring because they wake up and sleep frequently, and activities such as feeding and changing clothes will take up a lot of adults' time and energy. ...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]
Abstract:
This paper
introduces a data acquisition system based on USB and DSP, which takes advantage of the high-speed transmission characteristics of USB2.0. The overall structure of the ...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
Global IP Solutions (GIPS), a leading provider of high-quality IP multimedia processing solutions, announced that GIPS has enabled Voice over Internet Protocol (VoIP) capabilities for Apple's iPhon...[Details]
A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips.
Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
