LT1180A Ver la hoja de datos (PDF) - Linear Technology
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LT1180A Datasheet PDF : 12 Pages
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LT1180A/LT1181A
TYPICAL PERFOR A CE CHARACTERISTICS
Driver Maximum Output Voltage
vs Load Capacitance
8.0
7.5
7.0
20kBAUD
6.5
60kBAUD
6.0
120kBAUD
5.5
5.0
01
2 345678
LOAD CAPACITANCE (nF)
9 10
LT1180A • TPC01
Driver Minimum Output Voltage
vs Load Capacitance
–4.0
–4.5
120kBAUD
–5.0
60kBAUD
–5.5
20kBAUD
–6.0
–6.5
–7.0
01
2 345678
LOAD CAPACITANCE (nF)
9 10
LT1180A • TPC02
Receiver Input Thresholds
3.00
2.75
2.50
2.25
2.00
INPUT HIGH
1.75
1.50
INPUT LOW
1.25
1.00
0.75
0.50
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1180A • TPC04
Supply Current vs Data Rate
50
2 DRIVERS ACTIVE
RL = 3k
40 CL = 2500pF
30
20
10
0
0 25 50 75 100 125 150
DATA RATE (kBAUD)
LT1180A • TPC05
Supply Current
25
20
2 DRIVERS LOADED RL = 3k
15
1 DRIVER LOADED RL = 3k
10
NO LOAD
5
0
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1180A • TPC07
Driver Leakage in Shutdown
100
10
VOUT = 30V
1
VOUT = –30V
0.1
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1180A • TPC08
4
Driver Output Voltage
10
8 RL = 3k
6
VCC = 5.5V
4
VCC = 5V
VCC = 4.5V
2
OUTPUT HIGH
0
OUTPUT LOW
–2
VCC = 4.5V
–4
VCC = 5V
VCC = 5.5V
–6
–8
–10
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1180A • TPC03
ON/OFF Thresholds
3.0
2.5
2.0
ON THRESHOLD
1.5
1.0
OFF THRESHOLD
0.5
0
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1180A • TPC06
Driver Short-Circuit Current
30
25
ISC+
20
15
ISC–
10
5
0
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1180A • TPC09
11801afb
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