LTC1177IN-5 查看數據表（PDF） - Linear Technology
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LTC1177IN-5 Datasheet PDF : 8 Pages
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LTC1177-5/LTC1177-12
ELECTRICAL CHARACTERISTICS VIN = 12V, TA = 25°C unless otherwise noted.
SYMBOL PARAMETER
VOUT
Output Voltage (Refer to GND2)
IIN
Input Current
ILIM
Current Limit
tON
Turn-On Time
tOFF
Turn-Off Time
VISO
Isolation Voltage
TCM
Common Mode Slew Rate
CONDITIONS
COUT = 1000pF, No Load (LTC1177C-12, N Pkg)
COUT = 1000pF, No Load (LTC1177C-12, SW Pkg)
COUT = 1000pF, VIN = 11.4V (LTC1177C-12, N Pkg)
COUT = 1000pF, VIN = 11.4V (LTC1177C-12, SW Pkg)
COUT = 1000pF, No Load (LTC1177I-12, N Pkg)
COUT = 1000pF, No Load (LTC1177I-12, SW Pkg)
COUT = 1000pF, VIN = 11.4V (LTC1177I-12, SW Pkg)
CIN = 1000pF (LTC1177C-12)
CIN = 1000pF (LTC1177I-12)
RSENSE = 1Ω (LTC1177C-12)
RSENSE = 1Ω (LTC1177I-12)
COUT = 1000pF, No Load (LTC1177C-12)
COUT = 1000pF, No Load (LTC1177I-12, N Pkg)
COUT = 1000pF, No Load (LTC1177I-12, SW Pkg)
COUT = 1000pF, No Load (LTC1177C-12)
COUT = 1000pF, No Load (LTC1177I-12, N Pkg)
COUT = 1000pF, No Load (LTC1177I-12, SW Pkg)
1 Minute (Note 1)
1 Second
VOUT < 1.5V, COUT= 1000pF
LTC1177-12
MIN TYP MAX
q 4.65
5.2
8
q 5.00
5.7
8
q 4.40
4.9
7
q 4.60
5.3
7
q 4.50
5.2
8
q 4.75
5.7
8
q 4.50
5.3
7
q
2.5
3.0
q
2.5
3.4
q 400
620
800
q 350
620
900
q
1.0
2.5
1.0
q
1.0
2.5
q
1.0
1.2
1.0
q
1.0
1.5
2500
3000
1000
The q denotes specifications which apply over the full operating
temperature range.
Note 1: Value derived from 1 second test.
UNITS
V
V
V
V
V
V
V
mA
mA
mA
mA
ms
ms
ms
ms
ms
ms
VRMS
VRMS
V/µs
TYPICAL PERFORMANCE CHARACTERISTICS
LTC1177-5
Turn-Off Time to VOUT = 1V
vs Temperature
1.8
VIN = 5V
1.6 COUT = 1000pF
1.4
1.2
1.0
0.8
N18, SW28
0.6
0.4
0.2
0
–55 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
1177-5 G01
LTC1177-5
Turn-On Time to VOUT = 4.5V
vs Temperature
1.8
VIN = 5V
1.6 COUT = 1000pF
1.4
1.2
1.0
N18
0.8
SW28
0.6
0.4
0.2
0
–55 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
1177-5 G02
LTC1177-5
Output Current vs Output Voltage
18
TA = 25°C
16 VIN = 5V
14
12
10
8
SW28
6
N18
4
2
0
012345678
OUTPUT VOLTAGE (V)
1177-5 G03
3
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