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参数资料
| 型号： | CPC1590PTR |
| 厂商： | CLARE INC |
| 元件分类： | 光电耦合器 |
| 中文描述： | 1 CHANNEL FET OUTPUT OPTOCOUPLER |
| 封装： | ROHS COMPLIANT, FLATPACK-8 |
| 文件页数： | 1/10页 |
| 文件大小： | 372K |
| 代理商： | CPC1590PTR |
DS-CPC1590 - R00B
PRELIMINARY
1
RoHS
2002/95/EC
e3
Pb
Driver Characteristics
Features
Drives External Power MOSFET
Low LED Current (2.5mA)
Requires No External Power Supply
Load Voltages up to 200V
High Reliability
Small 8-pin Surface Mount Flatpack Package
Machine Insertable, Wave Solderable
Tape and Reel Version Available
3750V
rms Input-to-Output Isolation
Applications
Industrial Controls
Instrumentation
Medical Equipment Isolation
Electronic Switching
I/O Subsystems
Appliances
Description
The CPC1590 is a MOSFET Gate Driver that requires
no external power supply: it regulates the MOSFET
voltage, up to 200V, down to 12.2V for internal use. It
is specifically designed for low duty cycle switching
frequencies that drive 4nF of gate capacitance.
The CPC1590 accomplishes very fast MOSFET
turn-on by supplying stored charge, from an external
capacitor, to the MOSFET gate when input control
current is applied to the device’s LED. After the
MOSFET is turned on, photocurrent from the input
optocoupler keeps it on for as long as sufficient input
control current flows, so there is no low-frequency
operating limit. When the MOSFET is turned off, the
storage capacitor charges from the device’s regulated
internal voltage in preparation for the next turn-on.
Because it is provided in a small, 8-pin, Flatpack
package and requires no separate power supply, the
CPC1590 provides a flexible design solution that
consumes the least amount of PCB land area.
Approvals
UL Recognized Component File #: E76270
Ordering Information
Figure 1. CPC1590 Block Diagram
Parameter
Rating
Units
Input Current
2.5
mA
Switching Speed (IF=5mA, MOS Input Capacitance=4nF)
tON
12
tOFF1
125
μs
tOFF2
210
Part
Description
CPC1590P
8-Pin Flatpack (50/Tube)
CPC1590PTR
8-Pin Flatpack (1000/Reel)
2
3
1
4
NC
8
5
6
7
CPC1590
LED +
LED -
V
CAP
V
L1
V
G
V
L2
CPC1590
Optically Isolated Gate Drive Circuit
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