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L6668
SMART PRIMARY CONTROLLER
1
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General Features
Figure 1. Package
MULTIPOWER BCD TECHNOLOGY LOAD-DEPENDENT CURRENT-MODE CONTROL: FIXED-FREQUENCY (HEAVY LOAD), FREQUENCY FOLDBACK (LIGHT LOAD), BURST-MODE (NO-LOAD) ■ ON-BOARD HIGH-VOLTAGE START-UP www.DataSheet4U.com ■ IMPROVED STANDBY FUNCTION ■ LOW QUIESCENT CURRENT (< 2 mA) ■ SLOPE COMPENSATION ■ PULSE-BY-PULSE & HICCUP-MODE OCP ■ INTERFACE WITH PFC CONTROLLER ■ DISABLE FUNCTION (ON/OFF CONTROL) ■ LATCHED DISABLE FOR OVP/OTP FUNCTION ■ PROGRAMMABLE SOFT-START ■ 2% PRECISION REFERENCE VOLTAGE EXTERNALLY AVAILABLE ■ ±800 mA TOTEM POLE GATE DRIVER WITH INTERNAL CLAMP AND UVLO PULL-DOWN ■ BLUE ANGEL, ENERGY STAR, EU CODE OF CONDUCT COMPLIANT Figure 2. Block Diagram
S-COMP 15 1 HV
SO-16 (Narrow)
Table 1.
L6668 Datasheet
