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The L6562 is designed as one kind of two-phase current mode, PWM control IC together with companion gate drivers. This device can be used in low output voltage, high current DC/DC converters, Intel® tualatin processor voltage regulator and VRM8.5 modules.Features of the L6562 are:(1)two-phase power conversion;(2)precision channel current sharing;(3)precision CORE voltage regulation:±0.8% accuracy;(4)microprocessor voltage identification input:5-bit VID input, 1.050V to 1.825V in 25mV steps, programmable "droop" voltage;(5)fast transient recovery time;(6)over current protection;(7)high ripple frequency, (channel frequency times number of channels):100kHz to 2MHz.
The absolute maximum ratings of the L6562 can be summarized as:(1)supply voltage (Vcc):-0.3V to 15V;(2)CS+. CS-:-0.3V to Vcc+0.3V;(3)PWRGD:-0.3V to Vcc;(4)all other inputs and outputs:-0.3V to 5V;(5)ESD rating human body model (per MIL-STD-883 method 3015.7):TBD;(6)ESD rating machine model (per EIAJ ED-4701 method C-111):TBD;(7)maximum lead temperature (soldering 10s) (SOIC-lead tips only):300;(8)maximum storage temperature range:-65 to 150. If you want to know more information such as the electrical characteristics about the L6562, please download the datasheet in www.seekic.com or www.chinaicmart.com .
L6562D Parameters
Technical/Catalog Information
L6562D
Vendor
STMicroelectronics
Category
Integrated Circuits (ICs)
Packaging
Tube
Package / Case
8-SOIC (3.9mm Width)
Voltage - Supply
10.3 V ~ 22 V
Mode
Discontinuous (Transition)
Frequency - Switching
1MHz
Current - Startup
40A
Operating Temperature
-25°C ~ 125°C
Drawing Number
*
Lead Free Status
Lead Free
RoHS Status
RoHS Compliant
Other Names
L6562D L6562D
L6562D General Description
The L6562 is a current-mode PFC controller operating in Transition Mode (TM). Pin-to-pin compatible with the predecessor L6561, it offers improved performance.
L6562D Maximum Ratings
Symbol
Pin
Parameter
Value
Unit
VCC
8
IC Supply voltage (Icc = 20 mA)
self-limited
V
IGD
7
Output Totem Pole Peak Current
±0.8
A
---
1 to 4
Analog Inputs & Outputs
-0.3 to 8
V
IZCD
5
Zero Current Detector Max. Current
-50 (source) 10 (sink)
mA
Ptot
Power Dissipation @Tamb = 50°C (DIP-8) (SO-8)
1 0.65
W
Tj
Junction Temperature Operating range
-40 to 150
°C
Tstg
Storage Temperature
-55 to 150
°C
L6562D Features
` REALISED IN BCD TECHNOLOGY ` TRANSITION-MODE CONTROL OF PFC PREREGULATORS ` PROPRIETARY MULTIPLIER DESIGN FOR MINIMUM THD OF AC INPUT CURRENT ` VERY PRECISE ADJUSTABLE OUTPUT OVERVOLTAGE PROTECTION ` ULTRA-LOW (70A) 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
L6562D Typical Application
` 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
The L6562 is a current-mode PFC controller operating in Transition Mode (TM). Pin-to-pin compatible with the predecessor L6561, it offers improved performance.The L6562DTR belongs to L6562 series.
Features of the L6562DTR are:(1)realised in BCD technology;(2)transition-mode control of PFC preregulators;(3)proprietary multiplier design for minimum thd of AC input current;(4)very precise adjustable output overvol tage protection;(5)ultra-low (70A) start-up current;(6)low (4mA) quiescent current;(7)extended IC supply voltage range;(8)on-chip filter on current sense;(9)desable function;(10)1% (@ Tj=25) internal reference voltage;(11)-600/+800mA totempole gate driver with uvlo pull-down and voltage clamp;(12)DIP-8/SO-8 packages.
The absolute maximum ratings of the L6562DTR can be summarized as:(1):the symbol is Vcc,the parameter is IC supply voltage (Icc = 20 mA),the value is self-limited,the unit is V;(2):the symbol is IGD,the parameter is output totem pole peak current,the value is ±0.8,the unit is A;(3):the parameter is analog inputs & outputs,the value is -0.3 to 8,the unit is V;(4):the symbol is IZCD,the parameter is zero current detector Max. current,the value is -50(source),10(sink),the unit is mA; (5):the symbol is Ptot,the parameter is power dissipation @Tamb = 50(DIP-8),the value is 1,the unit is W;(6):the symbol is Ptot,the parameter is power dissipation @Tamb = 50(SO-8),the value is 0.65,the unit is W;(7):the symbol is Tj,the parameter is junction temperature operating range,the value is -40 to 150,the unit is ;(8):the symbol is Tstg,the parameter is storage temperature ,the value is -55 to 150,the unit is .