LX1555CDT データシートの表示（PDF） - Microsemi Corporation
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LX1555CDT Datasheet PDF : 18 Pages
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PRODUCT DATABOOK 1996/1997
LX1552/3/4/5
ULTRA-LOW START-UP CURRENT, CURRENT-MODE PWM
PRODUCTION DATA SHEET
CHARACTERISTIC CURVES
FIGURE 17. — START-UP THRESHOLD vs. TEMPERATURE
17.0
16.8
LX1552
LX1554
16.6
16.4
16.2
16.0
15.8
15.6
15.4
15.2
15.0
-75 -50 -25 0 25 50 75 100 125
(TA) Ambient Temperature - (°C)
FIGURE 18. — MINIMUM OPERATING VOLTAGE vs.
TEMPERATURE
11.0
10.8
LX1552
LX1554
10.6
10.4
10.2
10.0
9.8
9.6
9.4
9.2
9.0
-75 -50 -25 0 25 50 75 100 125
(TA) Ambient Temperature - (°C)
FIGURE 19. — MINIMUM OPERATING VOLTAGE vs.
TEMPERATURE
8.0
7.9
LX1553
LX1555
7.8
7.7
7.6
7.5
7.4
7.3
7.2
7.1
7.0
-75 -50 -25 0 25 50 75 100 125
(TA) Ambient Temperature - (°C)
FIGURE 20. — LOW LEVEL OUTPUT SATURATION VOLTAGE
DURING UNDER-VOLTAGE LOCKOUT
1.20
1.08
0.96
0.84
0.72
VCC = 5V
TA = -55°C
TA = 25°C
0.60
0.48
TA = 125°C
0.36
0.24
0.12
0.00
0.1
1
10
Output Sink Current - (mA)
10
Copyright © 1994
Rev. 1.0a 1/01
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