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L6562N Datasheet

  • L6562N

  • TRANSITION-MODE PFC CONTROLLER

  • 211.44KB

  • 16頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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L6562
TRANSITION-MODE PFC CONTROLLER
1
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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 (鈮?0碌A(chǔ)) START-UP CURRENT
LOW (鈮? mA) QUIESCENT CURRENT
EXTENDED IC SUPPLY VOLTAGE RANGE
ON-CHIP FILTER ON CURRENT SENSE
DISABLE FUNCTION
1% (@ Tj = 25 擄C) INTERNAL REFERENCE
VOLTAGE
-600/+800mA TOTEM POLE GATE DRIVER WITH
UVLO PULL-DOWN AND VOLTAGE CLAMP
DIP-8/SO-8 PACKAGES
PFC PRE-REGULATORS FOR:
鈥?IEC61000-3-2 COMPLIANT SMPS
Figure 1. Packages
鈻?/div>
DIP-8
SO-8
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Table 1. Order Codes
Part Number
L6562N
L6562D
L6562DTR
Package
DIP-8
SO-8
Tape & Reel
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DESKTOP PC, MONITOR) UP TO 300W
鈥?HI-END AC-DC ADAPTER/CHARGER
鈥?ENTRY LEVEL SERVER & WEB SERVER
鈻?/div>
2
DESCRIPTION
1.1 APPLICATIONS
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(TV,
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.
Figure 2. Block Diagram
COMP
2
1
INV
-
+
2.5V
5pF
V
CC
MULTIPLIER AND
THD OPTIMIZER
40K
MULT
3
4
CS
VOLTAGE
REGULATOR
OVERVOLTAGE
DETECTION
-
+
8
V
CC
25 V
R1
+
R2
V
REF2
-
ZERO CURRENT
DETECTOR
+
2.1 V
1.6 V
STARTER
-
INTERNAL
SUPPLY 7V
R
S
UVLO
Q
15 V
7
GD
DRIVER
Starter
stop
DISABLE
6
GND
5
ZCD
June 2004
REV. 6
1/16

L6562N 產(chǎn)品屬性

  • STMicroelectronics

  • 功率因數(shù)校正 IC

  • + 150 C

  • Through Hole

  • PDIP-8

  • Tube

  • - 40 C

  • 50

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