LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter LDO03C SERIES Single Output 3 A current rating Input voltage range 3-13.8 V Adjustable output voltage 0.59-5.1 V • Optional 3-pin model factory set • Optional 5-pin model factory set with power good option Excellent transient response Power enable (5-pin model) Minimum airflow Small package Termination voltage capacity RoHS Compliant The LDO03C is a new high density, open frame, non-isolated converter for space sensitive applications. This model has a wide input range of 3-13.8 V and offers a 0.59-5.1 V adjustable output with 3 A capability. Typical efficiency for this model is 90% (5 Vin, 2.5 Vout, 3 A load). The 5-pin version of this voltage device offers the additional features of enable, and with a default wide adjustable ouput voltage range or option of power good. [ 2 YEAR WARRANTY ] TÜV File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter Stresses in excess of the maximum ratings can cause permanent damage to the device. Operation of the device is not implied at these or any other conditions in excess of those given in the specification. Exposure to absolute maximum ratings can adversely affect device reliability. Absolute Maximum Ratings Characteristic Symbol Min Input voltage - continuous Vin (cont) 3.0 Enable Voltage VEn (max) Pgood Voltage VPgood (max) Operating temperature Top Storage temperature Tstorage Iout (max) Output current Typ Max Units Notes and Conditions 13.8 Vdc Vin(+) - Vin(-) 3.3 5.0 V V When Vin < 5 V When Vin > 5 V 3.3 5.0 V V When Vin < 5 V When Vin > 5 V 0 70 ˚C Measured at thermal reference points, See Note 1. See Derating curves -40 125 ˚C 3 A All specifications are typical at nominal input Vin = 5 V and 12 V, full load under any resistive load combination at 25 ˚C, unless otherwise stated. Input Characteristics Characteristic Symbol Min Input voltage - operating Vin Iin 3.0 Input current - no load Input current - quiescent Input voltage variation Iin(off) dv/dt Typ Max Units 13.8 Vdc Notes and Conditions 50 mA Vin (min) - Vin (max), enabled Converter disabled 15 mA 1.0 V/ms Product was tested at 1.2 V/ms. Much higher dv/dt is possible (>10 V/ms) Units Notes and Conditions Vdc See App Note 186 to adjust this point Turn On/Off Characteristic Symbol Input voltage - turn on Vin (on) 3.0 Input voltage - turn off Vin (off) Tdelay (power) 2.7 Turn on delay - enabled, then power applied 2 3 ms Turn on delay - power applied, then Remote ON/OFF asserted Tdelay (Remote ON/OFF) 2 3 ms Rise time Trise 1.5 2 ms 2 Min Typ Max Vdc With the Remote ON/OFF signal asserted, this is the time from when the input voltage reaches the minimum specified operating voltage until Vout is in regulation Vin = Vin(on), then Remote ON/OFF asserted. This is the time taken until Vout is in regulation From 10% to 90%; full resistive load, 0 µF capacitance File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter Signal Electrical Interface Characteristic - Signal Name Symbol Min Typ Max Units Remote ON/OFF Notes and Conditions See Application Note 186 Control pin open circuit voltage Vih 3.3 V 5V 12 V Iih High level input voltage Vih Low level input voltage Vil 3.3 V 5V 12 V Iih = 0 µA; open circuit voltage See Notes 2 and 3 µA Current flowing into control pin when pin is pulled high (max. at Vih = 5 V Vdc Converter guaranteed on when control pin is greater than Vih (min) Vdc µA Converter guaranteed off when control pin is less than Vil (max) Vil = 0 Vdc Units Notes and Conditions Hours Telcordia SR-332 Issue 2, ground benign, ambient 40 ºC, Vin = Vin (nom)-Iout = Iout (max) 0.61 0.92 2.20 High level input current Low level input current Vdc 1 0.502 0.200 Iil (max) 110 166 398 Reliability and Service Life Characteristic Mean time between failure 3 www.artesyn.com Symbol Min MTBF 10,000,000 Typ Max File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter Other Specifications Characteristic Symbol Switching frequency Fsw Min Typ Weight Max Units 1.5 MHz 1.7 g Notes and Conditions Environmental Specifications Characteristic Symbol Thermal performance Min Typ Max Units Notes and Conditions 0 70 ˚C (See Note 1 and individual derating curves) Reference Test Level Type Parameter Air temperature operating Air temperature non-operating 0 ˚C to 70 ˚C -40 ˚C to 125 ˚C Notes and Conditions Max. rate of change is 30 degrees per hour while operating and 20 degrees per hour while nonoperating Relative humidity - operating Relative humidity - non-operating 80% 100% With non-condensing Excluding rain during parts shipment Vibration - operating Sinusoidal vibration, 0.5 G (0 to peak) acceleration. Vibration - non-operating Sinusoidal vibration, 1.0 G (0 to peak) Shock Acceleration Non-operating square wave 40 G, square wave at 200 in/s (508 cm/s); on all six sides Non-operating half sine Half sine pulse for 70 in/s (178 cm/s) for 2 ms; on all sides except top Operating half sine Half sine pulse for 40 in/s (102 cm/s) for 2 ms; on all sides except top 4 File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter Safety Agency Approvals Characteristic UL/cUL TÜV Product Service Material Ratings Characteristic Signal Name Notes and Conditions Flammability rating UV94V-0 Material type FR4 PCB Model Numbers Model Number LDO03C-005W05-SJ LDO03C-005W05-HJ LDO03C-005W05-VJ Input Voltage Output Voltage Output Current (Max.) Efficiency at Full Load Max. Load Regulation 3.0-13.8 V 3.0-13.8 V 3.0-13.8 V 0.59-5.1 V 0.59-5.1 V 0.59-5.1 V 3A 3A 3A 92% 92% 92% ±0.5% ±0.5% ±0.5% RoHS Compliance Ordering Information The ‘J’ at the end of the part number indicates that the part is Pb-free (RoHS 6/6 compliant). TSE RoHS 5/6 (non PB-free) compliant versions may be available on special request, please contact your local sales representative for details. 4 5 www.artesyn.com File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 3.3 V, 5 V, 12 V Model 0.9 V Setpoint Input Characteristics Characteristic Symbol Min Typ Max Units Notes and Conditions Vin = Vin (nom); Iout = Iout (max) Input current - operating (Source) (3.3 V) (Sink) (3.3 V) (Source) (5 V) (Sink) (5 V) (Source) (12 V) (Sink) (12 V) Iin Iin Iin Iin Iin Iin 1.07 -0.57 0.70 -0.38 0.32 -0.13 Adc Adc Adc Adc Adc Adc Input capacitance - internal filter Cinput 10 µF Input capacitance - external filter Cbypass 1 µF Recommended customer added capacitance 3.3 V, 5 V, 12 V Model 0.9 V Setpoint Electrical Characteristics - O/P Characteristic Symbol Min Typ Max Units Notes and Conditions Nominal set-point voltage Vo (nom) 0.891 0.9 0.909 Vdc Line regulation ±0.3 % Load regulation ±0.5 % Vin = Vin (nom); Iout = Iout (nom) Iout = Iout (nom); Vin (min) to Vin (max) Vin = Vin (nom); Iout (min) to Iout (max) 3.0 Adc Output current - continuous Output current - short circuit Iout Isc 0 6.0 Adc Continuous, unit auto recovers See Application Note 186 for more information Output voltage - noise (3.3 V) mVp-p (5.0 V) mVp-p (12 V) mVp-p 40 40 40 mV pk-pk mV pk-pk mV pk-pk Measurement band width 20 MHz See Application Note 186 for details Max Units Notes and Conditions 3.3 V, 5 V, 12 V Model 0.9 V Setpoint Electrical Charateristics - O/P Characteristic Symbol Load transient response peak deviation Vdynamic 150 mV Peak deviation for 50% to 100% step load, di/dt = 10 A/µs Load transient response recovery Trecovery 15 µs Settling time to within 1% of output set-point voltage for 50% to 75% step load External load capacitance Cext 0 µF See Application Note 186 for output capacitance vs. stability 6 Min Typ 2000 File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 3.3 V, 5 V, 12 V Model 0.9 V Setpoint Protection and Control Features Characteristic Symbol Overcurrent limit inception Ioc Min Typ Max 6.0 Units Notes and Conditions Adc Vo = 90% of Vo (nom) Units Notes and Conditions Iout = 100% (max) Vin - Vin (nom) 3.3 V, 5 V, 12 V Model 0.9 V Setpoint Efficiency Characteristic Symbol Min Typ Efficiency 3.3 V (source mode) 3.3 V (sink mode) η 74.8 76.3 69.9 % Efficiency 5.0 V (source mode) 5.0 V (sink mode) η 74.9 76.4 70.6 % Efficiency 12 V (source mode) 12 V (sink mode) η 67.6 69.0 58.3 % Efficiency 3.3 V (source mode) 3.3 V (sink mode) η 80.75 82.4 79.4 % Efficiency 5.0 V (source mode) 5.0 V (sink mode) η 78.6 80.2 76.6 % Efficiency 12 V (source mode) 12 V (sink mode) η 64.9 66.2 49.4 % 7 www.artesyn.com Max Iout = 50% (max) Vin - Vin (nom) File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 3.3 V, 5 V, 12 V Model 2.5 V Setpoint Input Characteristics Characteristic Symbol Min Typ Max Units Notes and Conditions Input current - operating (Source) (3.3 V) (Sink) (3.3 V) (Source) (5 V) (Sink) (5 V) (Source) (12 V) (Sink) (12 V) Iin Iin Iin Iin Iin Iin 2.5 -2.0 1.7 -1.3 0.7 -0.5 Adc Adc Adc Adc Adc Adc Vin = Vin (nom); Iout = Iout (max); Vo = V0 (nom) Input capacitance - internal filter Cinput 10 µF Internal to converter Input capacitance - external filter Cbypass 1 µF Recommended customer added capacitance 3.3 V, 5 V, 12 V Model 2.5 V Setpoint Electrical Charateristics - O/P Characteristic Symbol Min Typ Max Units Notes and Conditions Nominal set-point voltage Vo (nom) 2.475 2.500 2.525 Vdc Line regulation ±0.2 % Load regulation ±0.5 % Vin = Vin (nom); Iout = Iout (nom) Iout = Iout (nom); Vin (min) to Vin (max) Vin = Vin (nom); Iout (min) to Iout (max) 3.0 Adc Output current - continuous Iout Output current - short circuit Isc 0 6.0 Output voltage - noise Vrms (3.3 V) mVp-p (5.0 V) mVp-p (12 V) mVp-p Apk Continuous, unit auto recovers from short 20 25 35 mV pk-pk mV pk-pk mV pk-pk Measurement band width 20 MHz See Application Note 186 for details Max 3.3 V, 5 V, 12 V Model 2.5 V Setpoint Electrical Charateristics - O/P Characteristic Symbol Units Notes and Conditions Load transient response park deviation Vdynamic 175 mV Peak deviation for 50% to 100% step load, di/dt = 10 A/s Load transient response - recover Trecovery 20 µs Settling time to within 1% of output set point voltage for 50% to 75% step load External load capacitance Cext 0 µF See Application Notes 186 for output capitance values vs. stability 8 Min Typ 1000 File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 3.3 V, 5 V, 12 V Model 2.5 V Setpoint Protection and Control Features Characteristic Symbol Overcurrent limit inception Ioc Min Typ Max 6.0 Units Notes and Conditions Adc Vo = 90% of Vo (nom) Units Notes and Conditions Iout = 100% (max) Vin - Vin (nom) 3.3 V, 5 V, 12 V Model 2.5 V Setpoint Efficiency Characteristic Symbol Min Typ Efficiency 3.3 V (source mode) 3.3 V (sink mode) η 87.7 89.5 88.7 % Efficiency 5.0 V (source mode) 5.0 V (sink mode) η 87.7 89.5 88.8 % Efficiency 12 V (source mode) 12 V (sink mode) η 83.2 84.9 83.3 % Efficiency 3.3 V (source mode) 3.3 V (sink mode) η 90.55 92.4 92.3 % Efficiency 5.0 V (source mode) 5.0 V (sink mode) η 89.3 91.1 90.7 % Efficiency 12 V (source mode) 12 V (sink mode) η 80.9 82.5 79.3 % 9 www.artesyn.com Max Iout = 50% (max) Vin - Vin (nom) File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 12 V Model 5 V Setpoint Input Characteristics Characteristic Symbol Min Input current - operating Typ Max Units Notes and Conditions 1.4 Adc Vin = Vin (nom); Iout = Iout (max); Vo = V0 (nom) Internal to converter Input capacitance - internal filter Cinput 10 µF Input capacitance - external filter Cbypass 1 µF Recommended customer added capacitance 12 V Model 5 V Setpoint Electrical Characteristics - O/P Characteristic Symbol Min Typ Max Units Notes and Conditions Nominal set-point voltage Vo (nom) 4.95 5.00 5.05 Vdc Line regulation ±0.2 % Load regulation ±0.5 % Vin = Vin (nom); Iout = Iout (nom) Iout = Iout (nom); Vin (min) to Vin (max) Vin = Vin (nom); Iout (min) to Iout (max) 3.0 Adc Output current - continuous Iout Output current - short circuit Isc Output voltage - noise Vrms mVp-p 0 6.00 Apk Continuous, unit auto recovers from short 50 mV pk-pk Measurement band width 20 MHz See Application Note 186 for details Max Units Notes and Conditions 12 V Model 5 V Setpoint Electrical Characteristics - O/P Characteristic Symbol Load transient response park deviation Vdynamic 235 mV Peak deviation for 50% to 100% step load, di/dt = 10 A/s Load transient response - recover Trecovery 15 µs Settling time to within 1% of output set point voltage for 50% to 75% step load External load capacitance Cext 0 µF See Application Notes 186 for output capacitance values vs. stability 10 Min Typ 500 File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 12 V Model 5 V Setpoint Protection and Control Features Characteristic Symbol Overcurrent limit inception Ioc Min Typ Max 6.0 Units Notes and Conditions Adc Vo = 90% of Vo (nom) Units Notes and Conditions 12 V Model 5 V Setpoint Efficiency Characteristic Symbol Min Typ Efficiency η 89.4 91.2 % Iout = 100% Iout (max), Vin = Vin (nom) Efficiency η 87.6 89.4 % Iout = 50% Iout (max), Vin = Vin (nom) 11 www.artesyn.com Max File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 3 2 2 m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) 1 0 30 40 50 60 AMBIENT TEMPERATURE (ºC) OUTPUT CURRENT (A) OUTPUT CURRENT (A) 3.3 V, 5 V and 12 V Model 0.9 V Setpoint 3 2 2 m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) 1 0 30 70 1 3 2 2 m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) 1 0 .8 .6 3V 5V 8V 10 V 12 V .4 .2 0 30 70 50 40 60 AMBIENT TEMPERATURE (ºC) Figure 3: Thermal Derating Curve 12 Vin Figure 5: Remote On/Off (Channel 1: Output Voltage, Channel 3: Enable) 12 70 Figure 2: Thermal Derating Curve 5 Vin EFFICIENCY (%) OUTPUT CURRENT (A) Figure 1: Thermal Derating Curve 3.3 Vin 60 40 50 AMBIENT TEMPERATURE (ºC) 0 1 2 3 OUTPUT CURRENT (A) Figure 4: Efficiency vs. Load Figure 6: Typical Output Ripple File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 3.3 V, 5 V and 12 V Model 0.9 V Setpoint Figure 7: Transient Response 100% - 50% (Channel 1: Output Voltage Deviation, Channel 2: Current Step at 1 A/div) Figure 8: Transient Response 50% - 100% (Channel 1: Output Voltage Deviation, Channel 2: Current Step at 1 A/div) Figure 9: Short Circuit Characteristic (Channel 1: Output Voltage, Channel 2: Current Step at 5 A/div) 13 www.artesyn.com File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 3 3 2 2 m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) 1 0 30 50 40 60 OUTPUT CURRENT (A) OUTPUT CURRENT (A) 3.3 V, 5 V and 12 V Model 2.5 V Setpoint 2 2 m/s (400 LFM) 1 m/s (200 LFM) 1.5 m/s (300 LFM) 0.5 m/s (100 LFM) 1 0 30 70 AMBIENT TEMPERATURE (ºC) 1 3 2 2 m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) 1 .8 .6 3V 5V 8V 10 V 12 V .4 .2 0 0 30 40 50 60 70 AMBIENT TEMPERATURE (ºC) Figure 12: Thermal Derating Curve 12 Vin Figure 14: Remote On/Off (Channel 1: Output Voltage, Channel 3: Enable) 14 70 Figure 11: Thermal Derating Curve 5 Vin EFFICIENCY (%) OUTPUT CURRENT (A) Figure 10: Thermal Derating Curve 3.3 Vin 50 40 60 AMBIENT TEMPERATURE (ºC) 0 1 2 OUTPUT CURRENT (A) 3 Figure 13: Efficiency vs. Load Figure 15: Typical Output Ripple File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 3.3 V, 5 V and 12 V Model 2.5 V Setpoint Figure 16: Transient Response 100% - 50% (Channel 1: Output Voltage Deviation, Channel 2: Current Step at 1 A/div) Figure 17: Transient Response 50% - 100% (Channel 1: Output Voltage Deviation, Channel 2: Current Step at 1 A/div) Figure 18: Short Circuit Characteristic (Channel 1: Output Voltage, Channel 2: Current Step at 5 A/div) 15 www.artesyn.com File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 1 3 2 2 m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) 1 0 30 50 60 40 AMBIENT TEMPERATURE (ºC) 70 Figure 19: Thermal Derating Curve 12 Vin Figure 21: Remote On/Off (Channel 1: Output Voltage, Channel 3: Enable) Figure 23: Transient Response 100% - 50% (Channel 1: Output Voltage Deviation, Channel 2: Current Step at 1 A/div) 16 EFFICIENCY (%) OUTPUT CURRENT (A) 3.3 V, 5 V and 12 V Model 5 V Setpoint .8 .6 6V 8V 10 V 12 V .4 .2 0 0 1 2 3 OUTPUT CURRENT (A) Figure 20: Efficiency vs. Load Figure 22: Typical Output Ripple Figure 24: Transient Response 50% - 100% (Channel 1: Output Voltage Deviation, Channel 2: Current Step at 1 A/div) File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 3.3 V, 5 V and 12 V Model 5 V Setpoint Figure 25: Short Circuit Characteristic (Channel 1: Output Voltage, Channel 2: Current Step at 5 A/div) 17 www.artesyn.com File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter Pin Connections Pin No. 1 Remote on/off 2 Vin 3 Common / RTN 4 Vout 5 PG / Trim 6 Mech Pin (Horz/SMT only) 0.212 (5.37) 0.370 (9.40) Function LDO03C005W05-VJ 0.610 (15.49) PIN 1 0.16 (3.94) 0.025 (0.64) SQ. PIN 0.051 (1.30) Dimensions in Inches (mm) Tolerances (unless otherwise specified) 2 Places ±0.030 (±0.76) 3 Places ±0.010 (±0.25) 0.050 (1.27) 0.067 (1.70) TYP Figure 26: Mechanical Drawing - Vertical 0.370 (9.40) 0.292 (7.41) 0.131 (3.33) 0.610 (15.49) LDO03C005W05-HJ 0.540 (13.72) PIN 1 0.051 (1.30) 0.067 (1.70) TYP Dimensions in Inches (mm) Tolerances (unless otherwise specified) 2 Places ±0.030 (±0.76) 3 Places ±0.010 (±0.25) 0.025 (0.64) SQ. PIN 0.125 (3.18) 0.120 (3.05) Figure 27: Mechanical Drawing - Horizontal 18 File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter 0.370 (9.40) Pin Connections Pin No. Function 1 Remote on/off 2 Vin 3 Common / RTN 4 Vout 5 PG / Trim 6 Mech Pin (Horz/SMT only) 0.131 (3.33) 0.292 (7.41) 0.610 (15.49) LDO03C005W05-SJ 0.025 (0.64) TYP 0.540 (13.72) PIN 1 0.067 (1.70) TYP 0.051 (1.30) Dimensions in Inches (mm) Tolerances (unless otherwise specified) 2 Places ±0.030 (±0.76) 3 Places ±0.010 (±0.25) 0.040 (1.02) TYP Figure 28: Mechanical Drawing - Horizontal Surface Mount 19 www.artesyn.com File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter Note 1 Thermal reference point is defined as the highest temperature measured at any one of the specified thermal reference points. See Application Note 186. Note 2 The control pin is referenced to Ground. Note 3 The LDO03C is supplied as standard with positive logic. Control Input pulled low: Unit Disabled Control Input left open: Unit Enabled 20 www.artesyn.com File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006 LDO03C Series | 3 A DC-DC C Class Non-Isolated DC/DC Converter NORTH AMERICA email: [email protected] ' 800 769 7274 '+508 628 5600 EUROPEAN LOCATIONS email: [email protected] IRELAND '+353 24 93130 AUSTRIA '+43 1 80150 FAR EAST LOCATIONS email: [email protected] HONG KONG '+852 2699 2868 Longform Datasheet © Artesyn Technologies® 2006 The information and specifications contained in this datasheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. Specifications are subject to change without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein. 21 www.artesyn.com File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006