Datasheet SG3525A (ON Semiconductor) - 5

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SG3525A ELECTRICAL CHARACTERISTICS
(continued)
Characteristics Symbol Min Typ Max Unit SOFT−START SECTION
Soft−Start Current (Vshutdown = 0 V) 25 50 80 mA Soft−Start Voltage (Vshutdown = 2.0 V) − 0.4 0.6 V Shutdown Input Current (Vshutdown = 2.5 V) − 0.4 1.0 mA
OUTPUT DRIVERS
(Each Output, VCC = +20 V) Output Low Level VOL V (Isink = 20 mA) − 0.2 0.4 (Isink = 100 mA) − 1.0 2.0 Output High Level VOH V (Isource = 20 mA) 18 19 − (Isource = 100 mA) 17 18 − Under Voltage Lockout (V8 and V9 = High) VUL 6.0 7.0 8.0 V Collector Leakage, VC = +35 V (Note 6) IC(leak) − − 200 mA Rise Time (CL = 1.0 nF, TJ = 25C) tr − 100 600 ns Fall Time (CL = 1.0 nF, TJ = 25C) tf − 50 300 ns Shutdown Delay (VDS = +3.0 V, CS = 0, TJ = +25C) tds − 0.2 0.5 ms Supply Current (VCC = +35 V) ICC − 14 20 mA 6. Applies to SG3525A only, due to polarity of output pulses. Vref 16 15 Reference Regulator VCC 0.1 0.1 Clock 4 Flip/ 13 VC Flop 3.0k 0.1 Sync 3 PWM O Out A ADJ. s 11 RT A 1.0k c 6 i l Deadtime l 1.5k 1.0k, 1.0W a 7 0.009 Ramp (2) t 100W 5 o r 14 0.1 0.001 B Out B Comp 10k 9 12 PWM GND 1 = VIO 0.01 2 = 1(+) 3 = 1(-) 50mA 8 Softstart 1 1 + 2 2 1 5.0mF - - 3 3 E/A 5.0k 2 10 + 5.0k Vref V/I Meter 1 1 2.0k + 2 2 3 3 DUT Shutdown
Figure 2. Lab Test Fixture www.onsemi.com Share Feedback 5
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