LT1684 查看數據表（PDF） - Linear Technology
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LT1684 Datasheet PDF : 16 Pages
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LT1684
TYPICAL PERFOR A CE CHARACTERISTICS
DC Supply Current vs V+ – V–
740
TJ = 25°C
720
700
IN A – IN B ≥ 1.6V
680
660
IN A – IN B ≤ –1.6V
640
620
600
14
16
18
20
22
24
V+ – V– (V)
1684 G01
VGATE – VATREF Voltage
Magnitudes vs Temperature
14.5
14.4 IGATE = 1mA
14.3
14.2
14.1
14.0
13.9
13.8
13.7
13.6
13.5
– 50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1684 G04
PWM Buffer (Pin BGOUT) Current
Limit vs Temperature
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
– 50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1684 G07
DC Supply Current vs Temperature
710
690
IN A – IN B ≥ 1.6V
670
650
630
IN A – IN B ≤ –1.6V
610
590
570
550
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1684 G02
PWM Input Thresholds vs
Temperature
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
– 50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1684 G05
Output Amplifier Current Limit vs
Temperature (RLIM = 0Ω)
250
225
200
175
150
125
100
– 50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1684 G08
VGATE – VATREF Voltage
Magnitudes vs IGATE
14.3
TJ = 25°C
14.2
14.1
14.0
13.9
13.8
0.1
0.3
1.0
3.0
10.0
IGATE (mA)
1684 G03
VBGOUT Magnitude vs Temperature
1.253
1.252
1.251
1.250
1.249
1.248
1.247
1.246
1.245
– 50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1684 G06
Output Amplifier Current Limit vs
External Limiting Resistor Values
200
150
100
TYPICAL (TJ = 25°C)
50
MINIMUM (TJ = 125°C)
0
0 1 2 3 4 5 6 7 8 9 10
RLIM (Ω)
1684 G09
4
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