EVAL6562-375W STMicroelectronics, EVAL6562-375W Datasheet

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EVAL6562-375W

Manufacturer Part Number
EVAL6562-375W
Description
EVAL BOARD FOR L6562-375 SERIES
Manufacturer
STMicroelectronics
Datasheet

Specifications of EVAL6562-375W

Product
Power Management Modules
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Part Number:
EVAL6562-375W
Manufacturer:
ST
0
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 EVAL6562-375W

EVAL6562-375W Summary of contents

Page 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) ...

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

... STBR606 1 µF + FUSE 400V 5A/250V R2 1.5 MΩ - Vac (85V to 265V) C2 10nF R3 22 kΩ Boost Inductor Spec: EB0057-C (COILCRAFT) Figure 24. Demo board (EVAL6562-80W, Wide-range mains): Electrical schematic 180 kΩ R1 750 kΩ BRIDGE C1 DF06M 0.47 µF + FUSE 400V 4A/250V R2 750 k Ω - Vac (85V to 265V) ...

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 82.9 265 82.7 Note: measurements done with the line filter shown in figure 23 Table 7. EVAL6562N: Evaluation results at half load ...

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 to the AC source 12/ 0.4 396.77 0.3 396.82 0.3 396.83 0.4 396.90 0.4 396.95 0.5 396 ...

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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