L6562D STMicroelectronics, L6562D Datasheet

IC PFC CTRLR TRANSITION 8SOIC

L6562D

Manufacturer Part Number
L6562D
Description
IC PFC CTRLR TRANSITION 8SOIC
Manufacturer
STMicroelectronics
Datasheet

Specifications of L6562D

Mode
Discontinuous (Transition)
Frequency - Switching
1MHz
Current - Startup
40µA
Voltage - Supply
10.3 V ~ 22 V
Operating Temperature
-25°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Maximum Operating Temperature
+ 150 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
For Use With
497-8406 - BOARD STF20NM50FD/STF7LITE39BF2497-8249 - BOARD EVAL FOR L6562AX497-8248 - BOARD EVAL FOR L6562AX
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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1
1.1 APPLICATIONS
Figure 2. Block Diagram
November 2005
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 ECOPACK
PFC PRE-REGULATORS FOR:
– IEC61000-3-2 COMPLIANT SMPS (TV,
Features
V
INV
CC
1
8
25 V
R2
6
GND
2.1 V
1.6 V
REGULATOR
VOLTAGE
R1
V
REF2
SUPPLY 7V
INTERNAL
TRANSITION-MODE PFC CONTROLLER
+
-
5
®
ZCD
2.5V
OVERVOLTAGE
UVLO
DETECTION
+
-
+
-
ZERO CURRENT
DETECTOR
COMP
2
DISABLE
MULTIPLIER AND
2
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 1. Packages
Table 1. Order Codes
THD OPTIMIZER
– HI-END AC-DC ADAPTER/CHARGER
– ENTRY LEVEL SERVER & WEB SERVER
3
MULT
-
DESKTOP PC, MONITOR) UP TO 300W
Description
R
S
Part Number
+
Q
L6562DTR
Starter
stop
L6562N
L6562D
STARTER
DIP-8
5pF
40K
4
DRIVER
CS
15 V
V
CC
7
Tape & Reel
GD
Package
SO-8
DIP-8
SO-8
L6562
Rev. 8
1/16

Related parts for L6562D

L6562D Summary of contents

Page 1

... MULTIPLIER AND THD OPTIMIZER + 2.5V VOLTAGE OVERVOLTAGE DETECTION INTERNAL SUPPLY UVLO - V REF2 ZERO CURRENT DETECTOR + - DISABLE 5 ZCD DIP-8 Part Number L6562N L6562D L6562DTR Tape & Reel DESKTOP PC, MONITOR 300W Description CS 4 40K 5pF - + DRIVER Starter stop STARTER L6562 SO-8 Package DIP-8 SO-8 GD Rev ...

Page 2

L6562 2 Description (continued) The highly linear multiplier includes a special circuit, able to reduce AC input current distortion, that allows wide-range-mains operation with an extremely low THD, even over a large load range. The output voltage is controlled by ...

Page 3

Table 4. Pin Description N° Pin 1 INV Inverting input of the error amplifier. The information on the output voltage of the PFC pre- regulator is fed into the pin through a resistor divider. 2 COMP Output of the error ...

Page 4

L6562 Table 5. Electrical Characteristics (continued -25 to 125° 12 Symbol Parameter G Voltage Gain v GB Gain-Bandwidth Product I Source Current COMP Sink Current V Upper Clamp Voltage COMP Lower Clamp Voltage ...

Page 5

Typical Electrical Characteristics Figure 4. Supply current vs. Supply voltage I CC (mA 0.5 0.1 0.05 0.01 0.005 cc(V) Figure 5. Start-up & UVLO vs. T 12.5 V CC-ON (V) 12 ...

Page 6

L6562 Figure 8. Feedback reference vs REF 2.6 (V) 2.55 2.5 2.45 2.4 - (°C) Figure 9. OVP current vs OVP 41 (µA) 40.5 40 39 (°C) ...

Page 7

Figure 14. Vcs clamp vs CSx 2 (V) 1.8 1.6 1.4 Vcc = Upper clamp COMP 1 (°C) Figure 15. Start-up timer vs. T Tstart 150 (µs) Vcc ...

Page 8

L6562 Figure 20. Gate-drive clamp vs. T Vpin7 clamp (°C) 4 Application Information 4.1 Overvoltage protection Under steady-state conditions, the voltage control loop keeps the output voltage Vo of ...

Page 9

When the load of a PFC pre-regulator is very low, the output voltage tends to stay steadily above the nom- inal value, which cannot be handled by the Dynamic OVP. If this occurs, however, the error amplifier out- put will ...

Page 10

L6562 the output of the multiplier in the proximity of the line voltage zero-crossings. This offset is reduced as the instantaneous line voltage increases, so that it becomes negligible as the line voltage moves toward the top of the sinusoid. ...

Page 11

Figure 25. EVAL6562-80W: PCB and component layout (Top view, real size 108 mm) Table 6. EVAL6562N: Evaluation results at full load Vin (V ) Pin ( 86.4 110 84.6 135 83.8 175 83.2 220 ...

Page 12

L6562 Table 8. EVAL6562N: No-load measurements Vin (V ) Pin ( 110 135 (*) 175 (*) 220 (*) 265 (*) Vcc = 12V supplied externally Figure 26. Line filter (not tested for EMI compliance) used for EVAL6562N evaluation ...

Page 13

Package Information In order to meet environmental requirements, ST offers these devices in ECOPACK packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner box label, in ...

Page 14

L6562 Figure 28. SO-8 Mechanical Data & Package Dimensions mm DIM. MIN. TYP. A 1.35 A1 0.10 A2 1.10 B 0.33 C 0.19 (1) 4. 3.80 e 1.27 H 5.80 h 0.25 L 0.40 k 0˚ (min.), 8˚ ...

Page 15

Revision History Table 9. Revision History Date Revision January 2004 June 2004 May 2005 November 2005 5 First Issue 6 Modified the Style-look in compliance with the “Corporate Technical Publications Design Guide”. Changed input of the power amplifier connected ...

Page 16

... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...

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