 |
 |
|
| SG1844 |
|
|||||||||||||||||
 MICROSEMI
|
| |||||||||||||||||
|
7 page 
C URRENT -M ODE PWM C ONTROLLER SG1844/SG1845 Series PRODUCT DA T ABOOK 1996/1997 7 Copyright © 2000 Rev. 1.6c P RODUCTION D ATA S HEET CHARACTERISTIC CUR V E S FIGURE 2. — OSCILLATOR TEMPERATURE STABILITY FIGURE 3. — CURRENT SENSE TO OUTPUT DELAY vs. TEMPERATURE FIGURE 4. — START-UP CURRENT vs. TEMPERATURE FIGURE 1. — DROPOUT VOLTAGE vs. TEMPERATURE Junction Temperature - (°C) -10 -75 -50 -25 0 255075 100 125 -8 -6 -4 -2 0 V IN = 15V Duty Cycle = 50% 2 Junction Temperature - (°C) 8.0 -75 -50 -25 0 255075 100 125 8.4 8.8 9.2 9.6 10.0 SG1844 SG1845 Junction Temperature - (°C) 120 -75 -50 -25 0 255075 100 125 140 160 180 200 220 V PIN3 = 1.1V Junction Temperature - (°C) 0.2 -75 -50 -25 0 255075 100 125 0.3 0.4 0.5 0.6 0.7 SG1844 SG1845 |
