LTC1156 查看數據表（PDF） - Linear Technology
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LTC1156 Datasheet PDF : 8 Pages
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LTC1156
TYPICAL PERFOR A CE CHARACTERISTICS
Turn-ON Time
1000
900 CGATE = 1000pF
800
700
600
500
VGS = 5V
400
300
200
100 VGS = 2V
0
0
5
10
15
SUPPLY VOLTAGE (V)
20
1156 G07
Turn-OFF Time
50
45
CGATE = 1000pF
TIME FOR VGATE < 1V
40
35
30
25
20
15
10
5
0
0
5
10
15
SUPPLY VOLTAGE (V)
20
1156 G08
Short Circuit Turn-OFF Delay Time
50
45
CGATE = 1000pF
TIME FOR VGATE < 1V
40 VSEN = VS – 1V
35 NO EXTERNAL DELAY
30
25
20
15
10
5
0
0
5
10
15
20
SUPPLY VOLTAGE (V)
1156 G09
BLOCK DIAGRA
VS
ANALOG SECTION
LOW STANDBY
CURRENT
REGULATOR
100mV
REFERENCE
COMP
10µs
DELAY
IN
TTL-TO-CMOS
CONVERTER
ANALOG DIGITAL
VOLTAGE
REGULATORS
ONE
SHOT
R
INPUT
LATCH
S
GND
DRAIN
SENSE
GATE CHARGE
AND DISCHARGE
CONTROL LOGIC
GATE
OSCILLATOR
AND CHARGE
PUMP
FAST/SLOW
GATE CHARGE
LOGIC
1156 BD
OPERATIO
The LTC1156 contains four independent power MOSFET
gate drivers and protection circuits (refer to the Block
Diagram for detail). Each section of LTC1156 consists of
the following functional blocks:
TTL and CMOS Compatible Inputs
Each driver input has been designed to accommodate a
wide range of logic families. The input threshold is set at
1.3V with approximately 100mV of hysteresis.
4
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