Unisonic Technologies UC3943
UC3943 is specifically designed for off-line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components. The UTC UC3943 has UVLO thresholds 8.4V (on) and 7.6V(off), ideally suited for off-line converters.| Part No. | UC3943 |
|---|---|
| Datasheet | UC3943 Download |
| Manufacturer |  Unisonic Technologies |
| Description | HIGH PERFORMANCE CURRENT MODE CONTROLLERS |
| Buy | Stock & Price |
DESCRIPTION
The UTC●
FEATURES
* With burstmode for lower standby power * With greenmode for higher light load efficiency * Oscillator frequency guaranteed at 250kHz * Automatic feed forward compensation * Latching PWM for cycle-by-cycle current limiting * Internally trimmed reference with undervoltage lockout * High current totem pole output * Undervoltage lockout with hysteresis * Low startup and operating current● ORDERING INFORMATION Ordering Number Lead Free Halogen Free UC3943L-S08-R UC3943G-S08-R Package SOP-8 SOP-8 Packing Tape Reel UC3943G-S08-R (1)Packing Type (2)Package Type (3)Green Package
● MARKING □ □ 87 6 5 UTC UC3943 1 2 34 Date Code L: Lead Free G: Halogen Free Lot Code (1) R: Tape Reel (2) S08: SOP-8 (3) G: Halogen Free and Lead Free, L: Lead Free Copyright © 2019 Unisonic Technologies Co., Ltd 1 of 10 QW-R103-170.A UC3943
● PIN CONFIGURATION LINEAR INTEGRATED CIRCUIT COMP 1 VFB 2 CS 3 CT 4 8 VREF 7 VCC 6 OUTPUT 5 GND
● PIN DESCRIPTIONS PIN NO. 1 2 3 4 5 6 7 8 PIN N...
