专门代理ST T6562DTR

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关 键 词：通信ic

行 业：家电 家电配件 家电通信IC 

发布时间：2015-10-22

 
1/16
 L6562
November 2005 
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 (
≤
70
µ
A) 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 ECOPACK
®
1.1
APPLICATIONS
■
PFC PRE-REGULATORS FOR:
–
IE
61000-3-2 
OMPLIANT SMPS (TV,
DESKTOP PC, MONITOR) UP TO 300W 
–
HI-END AC-DC ADAPTER/CHARGER
–
ENTRY LEVEL SERVER & WEB SERVER
2
Description
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 improved
performance.
TRANSITION-MODE PFC CONTROLLER
Figure 2. Block Diagram
 +
-
MULTIPLIER AND
THD OPTIMIZER
V
 REF2
OVERVOLTAGE 
DETECTION
VOLTAGE 
REGULATOR
UVLO
INTERNAL 
SUPPLY 7V
+
-
2.5V
R1
R2
R
S
Q
+
-
DRIVER
STARTER
+
-
ZERO CURRENT 
DETECTOR
DISABLE
2.1 V
1.6 V
V
CC
8
1
2
3
4
ZCD
V
CC
INV
  
封装 : SOP ;
型号 : T6562DTR ;
品牌 : ST ;
类型 : 通信IC ;