CM1084
5.0 AMP POSITIVE VOLTAGE REGULATOR
GENERAL DESCRIPTION
The CM1084 series of high performance positive voltage dropout performance at full rated current. Additionally, the in line, load and temperature.
Outstanding features include low dropout performance at rated current, fast transient response, internal current limiting and thermal shutdown protection of the output device. The CM1084 series are three terminal regulators with adjustable voltage options available in popular packages.
FEATURES
! Low dropout performance
! Full current rating over line and temperature
! ±2% total output regulation over line, load and temperature ! Adjust pin current max 90µA over temperature ! Adjustable output voltage ! Line regulation typically 0.015% ! Load regulation typically 0.1%
! TO-220, TO-252 and TO-263 packages
regulators are designed for use in applications requiring low ! 1.3V max. for CM1084 CM1084 series provides excellent regulation over variations ! Fast transient response
APPLICATIONS
! Power Supplies ! Computer Add-On Cards
! Other Applications Requiring Low Dropout Voltage Over
Rated Current
PIN CONFIGURATION
TO-220 Top View
TO-252 Top View
GND/ADJTO-263 Top View
VINVOUT
321
GND/ADJVOUTVOUTVINGND/ADJ
VIN TO-263L Top View
1
2
3
VINVOUTGND/ADJ
321
123
2003/05/14 Preliminary Rev. 0.2 Champion Microelectronic Corporation
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CM1084
5.0 AMP POSITIVE VOLTAGE REGULATOR
BLOCK DIAGRAM CURRENT LimitLIMITING AMPLIFIER SENSE THERMAL OVERLOAD VOLTAGE REGULATIONAMPLIFIER ORDERING INFORMATION Package Type INPUTS.O.AOUTPUTVREFADJ/COMOperating Temperature TO-220 TO-252 TO-263 TO-263L Range (TA) CM1084KCN220 CM1084KCN252 CM1084KCN263 CM1084KCN263L CM1084SCN220 CM1084SCN252 CM1084SCN263 CM1084SCN263L CM1084CN220 CM1084CN252 CM1084CN263 CM1084CN263L Output Voltage 0℃ ~ +70℃ 2.5V 0℃ ~ +70℃ 3.3V 0℃ ~ +70℃ ADJ. ABSOLUTE MAXIMUM RATINGS Input Supply Voltage Power Dissipation Thermal Resistance Junction to Case TO-220 TO-263 TO-252 Thermal Resistance Junction to Ambient TO-220 TO-263/TO-263L TO-252 Operating Junction Temperature Range Storage Temperature Range Lead Temperature（Soldering）10 Sec TJ θJA VIN 7 V PD Internally W Limited. θJC 2.5 2.5 2.5 45 45 80 0 to 125 ℃ TSTG -65 to 150 ℃ TLEAD 260 ℃ ℃/W ℃/W Parameter Symbol Maximum Units 2003/05/14 Preliminary Rev. 0.2 Champion Microelectronic Corporation
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CM1084
5.0 AMP POSITIVE VOLTAGE REGULATOR
ELECTRICAL CHARACTERISTICS Unless otherwise specified, Adj VIN = 2.75V to 7.0V and Adj I0 =10mA to 5.0A Output VoltageFixed Voltage Reference VoltageLine Regulation（1） （1） Test Conditions Parameter Symbol VIN VO VREF l0 Test Limits V V Tj Min Typ Max Units 5V 0mA 25℃ 0.99l V0I V0 1.01IV0I 5A 125℃ 0.98l V0I V0 1.02IV0I 5V 10mA 25℃ 1.238 1.250 1.262 5A 125℃ 1.225 1.250 1.275 Adj Voltage Version （1） REG（LINE） 10mA 25℃ 0.015 0.2 % REG（LOAD） 5V 25℃ 0.1 0.3 % VD 25℃ 1.3 V ICL 125℃ 5.0 7.5 A Load RegulationDropout VoltageCM1084 Current Limit （1）（2）Quiescent Current Temperature Coefficient Adjust Pin Current Adjust Pin Current Change Temperature Stability Minimum Load Current Adj Voltage Version RMS Output Noise NOTES： （3）IO 5V TC 0.005 %/℃ IADJ 25℃ 55 120 μA ΔIADJ 0.2 5 μA 0.5 % 5 10 mA TS 5V 0.5A IO 5V （4）VN 25℃ 0.003 %VO RA 5V 5.0A 60 72 dB Ripple Rejection Ratio（1） Low duty cycle pulse testing with Kelvin connections required. （2） ΔVOUT , ΔVREF =1% （3） Bandwidth of 10 Hz to 10 kHz. （4） 120 Hz input ripple（CADJ for ADJ=25μF） 2003/05/14 Preliminary Rev. 0.2 Champion Microelectronic Corporation
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CM1084
5.0 AMP POSITIVE VOLTAGE REGULATOR
APPLICATION CIRCUIT
Fixed Output Voltage Regulator
Adjustable Regulator
2003/05/14 Preliminary Rev. 0.2 Champion Microelectronic Corporation
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CM1084
5.0 AMP POSITIVE VOLTAGE REGULATOR
PACKAGE DIMENSION TO-220 (N220) BFQTCSABACUDFGHJKHZLNQRSTUVZGLVNDRJ TO-252 (N252) YBRCEXL2L1KSDGJHAL 2003/05/14 Preliminary Rev. 0.2 Champion Microelectronic Corporation
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CM1084
5.0 AMP POSITIVE VOLTAGE REGULATOR
PACKAGE DIMENSION TO-263 (N263) BCEVSKGJDH TO-263 (N263) BCEVSKGFront ViewJDHSide ViewAA 2003/05/14 Preliminary Rev. 0.2 Champion Microelectronic Corporation
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CM1084
5.0 AMP POSITIVE VOLTAGE REGULATOR
IMPORTANT NOTICE Champion Microelectronic Corporation (CMC) reserves the right to make changes to its products or to discontinue any integrated circuit product or service without notice, and advises its customers to obtain the latest version of relevant information to verify, before placing orders, that the information being relied on is current. A few applications using integrated circuit products may involve potential risks of death, personal injury, or severe property or environmental damage. CMC integrated circuit products are not designed, intended, authorized, or warranted to be suitable for use in life-support applications, devices or systems or other critical applications. Use of CMC products in such applications is understood to be fully at the risk of the customer. In order to minimize risks associated with the customer’s applications, the customer should provide adequate design and operating safeguards. HsinChu Headquarter 5F, No. 11, Park Avenue II, Science-Based Industrial Park, HsinChu City, Taiwan TEL: +886-3-567 9979 FAX: +886-3-567 9909 Sales & Marketing 11F, No. 306-3, SEC. 1, Ta Tung Road, Hsichih, Taipei Hsien 221, Taiwan TEL: +886-2-8692 1591 FAX: +886-2-8692 1596 2003/05/14 Preliminary Rev. 0.2 Champion Microelectronic Corporation
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