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參數(shù)資料
| 型號： | CS8312YN8 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | IGBT Ignition Predriver |
| 中文描述： | 0.005 A BUF OR INV BASED PRPHL DRVR, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 139K |
| 代理商： | CS8312YN8 |
3
Electrical Characteristics continued
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
C
Package Pin Description
PACKAGE PIN #
PIN SYMBOL
FUNCTION
8L PDIP & SO
1
FLAG
Indicates whether current through the IGBT has reached a pre-
set level.
2
SENSE+
Positive input to current comparator.
3
SENSED
Ground (SENSE-) for current sense resistor.
4
Gnd
Ground connection.
5
OUT
Output voltage to IGBT (MOSFET) gate.
6
CLI
Current limit input increase.
7
CTRL
Control input.
8
V
CC
Supply voltage.
The flag indicates when the voltage across the two sense
pins is approaching a current limit level that has been
determined by the value of the external sense resistor
(R
SENSE
) and the state of the CTRL and CLI pins. If the
voltage across the sense pins (SENSE+, SENSE-) is less
than the flag turn-on voltage, then the FLAG is off. When
the voltage between the sense pins equals the FLAG turn
on voltage, the FLAG will latch on until the CTRL pin
goes low. FLAG is disabled whenever CTRL is low.
Changing the CLI pin from low to high will increase
nominal FLAG turn on voltage by approximately 45%.
Table 1 FLAG Timing Sequence
The CS8312 output (OUT) saturates and supplies voltage
to the IGBT (or MOSFET) gate once the CTRL switches
from low to high. As current through the IGBT (MOSFET)
increases and the voltage across the sense resistor passes
the flag turn on voltage, the FLAG will turn on. If the cur-
rent through the sense resistor continues to rise and the
sense resistor voltage reaches the regulation sense volt-
age, then the gate voltage will fall to a level that regulates
the driver and maintains the regulation sense voltage at
the sense resistor.
Changing the CLI pin from a logic low to a logic high
increases the FLAG turn on voltage by approximately
45% and the regulation sense voltage by approximately
39% respectively.
Current Limit Function
Output Stage
State
0
1
2
3
0
CONTROL
Low
High
High
High
Low
SENSE+
X
Below Threshold
Above Threshold
X
X
FLAG
OFF
OFF
ON
ON
OFF
Flag Function (see Application Diagram)
Circuit Description
I
Flag Function: continued
Turn Off Delay
Turn On Delay
Disable Time
CTRL decreasing
10
10
450
us
us
us
100
I
Sense Function
Input Voltage Range
Sense Regulation Voltage
-0.3
270
380
2.5
320
440
5
20
V
mV
mV
μA
us
V
CTRL
=5.5V; V
CLI
=-0.3V
V
CTRL
=5.5V; V
CLI
=5.5V
V
CTRL
=5.5V
V
CTRL
=5.5V
295
410
Input Leakage Current
Propagation Delay
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| CS831A1 | 制造商:HVPSI 制造商全稱:High Voltage Power Solutions, Inc. 功能描述:MOV Modules |
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| CS831B2 | 制造商:HVPSI 制造商全稱:High Voltage Power Solutions, Inc. 功能描述:MOV Modules |
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