L6562N
L6562N屬性
- DIP8
- ST
L6562N描述
型號:L6562N
品牌:ST
年份:13+
封裝:DIP8
包裝:50/管
類別:進(jìn)口原裝現(xiàn)貨
1
FEATURES
■REALISED IN BCD TECHNOLOGY
■
TRANSITION-MODE CONTROL OF PFC PRE-REGULATORS
■
PROPRIETARY MULTIPLIER DESIGN FOR MINIMUM THD OF AC INPUT CURRENT■
VERY PRECISE ADJUSTABLE OUTPUT OVERVOLTAGE PROTECTION
■ULTRA-LOW (≤70μA) START-UP CURRENT■LOW (≤4 mA) QUIESCENT CURRENT
■EXTENDED IC SUPPLY VOLTAGE RANGE■ON-CHIP FILTER ON CURRENT SENSE■DISABLE FUNCTION
■
1% (@ Tj = 25 °C) INTERNAL REFERENCE VOLTAGE
■
-600/+800mA TOTEM POLE GATE DRIVER WITH UVLO PULL-DOWN AND VOLTAGE CLAMP■
DIP-8/SO-8 PACKAGES
1.1APPLICATIONS
■
PFC PRE-REGULATORS FOR:
–IEC61000-3-2 COMPLIANT SMPS (TV,
DESKTOP PC, MONITOR) UP TO 300W –HI-END AC-DC ADAPTER/CHARGER–ENTRY LEVEL SERVER & WEB SERVER
2DESCRIPTION
The L6562 is a current-mode PFC controller oper-ating in Transition Mode (TM). Pin-to-pin compati-ble with the predecessor L6561, it offers improvedperformance.
TRANSITION-MODE PFC CONTROLLER
Figure 2. Block Diagram
+
-MULTIPLIER ANDTHD OPTIMIZER
VREF2