LDO03C

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 Typ Max Units Notes and Conditions Input voltage - continuous Enable Voltage Pgood Voltage Operating temperature Vin (cont) VEn (max) VPgood (max) Top 3.0 13.8 3.3 5.0 3.3 5.0 Vdc V V V V ˚C Vin(+) - Vin(-) When Vin < 5 V When Vin > 5 V When Vin < 5 V When Vin > 5 V Measured at thermal reference points, See Note 1. See Derating curves 0 70 Storage temperature Output current Tstorage Iout (max) -40 125 3 ˚C 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 Typ Max Units Notes and Conditions Input voltage - operating Input current - no load Input current - quiescent Input voltage variation Vin Iin Iin(off) dv/dt 3.0 50 15 1.0 13.8 Vdc mA mA V/ms Vin (min) - Vin (max), enabled Converter disabled Product was tested at 1.2 V/ms. Much higher dv/dt is possible (>10 V/ms) Turn On/Off Characteristic Symbol Min Typ Max Units Notes and Conditions Input voltage - turn on Input voltage - turn off Turn on delay - enabled, then power applied Vin (on) Vin (off) Tdelay (power) 3.0 2.7 2 3 Vdc Vdc ms See App Note 186 to adjust this point 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 Turn on delay - power applied, then Remote ON/OFF asserted Rise time Tdelay (Remote ON/OFF) Trise 2 3 ms 1.5 2 ms 2 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 Notes and Conditions Remote ON/OFF Control pin open circuit voltage 3.3 V 5V 12 V High level input current Iih Vih 0.61 0.92 2.20 1 µA Vdc See Application Note 186 Iih = 0 µA; open circuit voltage See Notes 2 and 3 Current flowing into control pin when pin is pulled high (max. at Vih = 5 V Converter guaranteed on when control pin is greater than Vih (min) Converter guaranteed off when control pin is less than Vil (max) Vil = 0 Vdc High level input voltage Vih 0.502 Vdc Low level input voltage Vil 0.200 Vdc Low level input current 3.3 V 5V 12 V Iil (max) µA 110 166 398 Reliability and Service Life Characteristic Symbol Min Typ Max Units Notes and Conditions Mean time between failure MTBF 10,000,000 Hours Telcordia SR-332 Issue 2, ground benign, ambient 40 ºC, Vin = Vin (nom)-Iout = Iout (max) 3 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 Other Specifications Characteristic Symbol Min Typ Max Units Notes and Conditions Switching frequency Weight Fsw 1.5 1.7 MHz g Environmental Specifications Characteristic Symbol Min Typ Max Units Notes and Conditions Thermal performance Type Parameter 0 Reference 70 Test Level ˚C (See Note 1 and individual derating curves) Notes and Conditions Air temperature operating Air temperature non-operating 0 ˚C to 70 ˚C -40 ˚C to 125 ˚C Max. rate of change is 30 degrees per hour while operating and 20 degrees per hour while nonoperating With non-condensing Excluding rain during parts shipment Sinusoidal vibration, 0.5 G (0 to peak) acceleration. Sinusoidal vibration, 1.0 G (0 to peak) Relative humidity - operating Relative humidity - non-operating Vibration - operating Vibration - non-operating Shock Non-operating square wave Non-operating half sine 80% 100% Acceleration 40 G, square wave at 200 in/s (508 cm/s); on all six sides Half sine pulse for 70 in/s (178 cm/s) for 2 ms; on all sides except top Half sine pulse for 40 in/s (102 cm/s) for 2 ms; on all sides except top Operating half sine 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 Material type UV94V-0 FR4 PCB Model Numbers Model Number Input Voltage Output Voltage Output Current (Max.) Efficiency at Full Load Max. Load Regulation LDO03C-005W05-SJ LDO03C-005W05-HJ LDO03C-005W05-VJ 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 Input current - operating (Source) (3.3 V) (Sink) (3.3 V) (Source) (5 V) (Sink) (5 V) (Source) (12 V) (Sink) (12 V) Input capacitance - internal filter Input capacitance - external filter Iin Iin Iin Iin Iin Iin Cinput Cbypass 1.07 -0.57 0.70 -0.38 0.32 -0.13 Adc Adc Adc Adc Adc Adc µF µF Recommended customer added capacitance Vin = Vin (nom); Iout = Iout (max) 10 1 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 Line regulation Load regulation Vo (nom) 0.891 0.9 0.909 ±0.3 ±0.5 Vdc % % Vin = Vin (nom); Iout = Iout (nom) Iout = Iout (nom); Vin (min) to Vin (max) Vin = Vin (nom); Iout (min) to Iout (max) Output current - continuous Output current - short circuit Iout Isc 0 6.0 3.0 Adc 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 3.3 V, 5 V, 12 V Model 0.9 V Setpoint Electrical Charateristics - O/P Characteristic Symbol Min Typ Max Units Notes and Conditions Load transient response peak deviation Load transient response recovery External load capacitance Vdynamic 150 mV Peak deviation for 50% to 100% step load, di/dt = 10 A/µs Settling time to within 1% of output set-point voltage for 50% to 75% step load See Application Note 186 for output capacitance vs. stability Trecovery 15 µs Cext 0 2000 µF 6 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 Min Typ Max Units Notes and Conditions Overcurrent limit inception Ioc 6.0 Adc Vo = 90% of Vo (nom) 3.3 V, 5 V, 12 V Model 0.9 V Setpoint Efficiency Characteristic Symbol Min Typ Max Units Notes and Conditions Efficiency 3.3 V (source mode) 3.3 V (sink mode) Efficiency 5.0 V (source mode) 5.0 V (sink mode) Efficiency 12 V (source mode) 12 V (sink mode) Efficiency 3.3 V (source mode) 3.3 V (sink mode) Efficiency 5.0 V (source mode) 5.0 V (sink mode) Efficiency 12 V (source mode) 12 V (sink mode) η 74.8 76.3 69.9 % Iout = 100% (max) Vin - Vin (nom) η 74.9 76.4 70.6 % η 67.6 69.0 58.3 % η 80.75 82.4 79.4 % Iout = 50% (max) Vin - Vin (nom) η 78.6 80.2 76.6 % η 64.9 66.2 49.4 % 7 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 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) Input capacitance - internal filter Input capacitance - external filter Iin Iin Iin Iin Iin Iin Cinput Cbypass 2.5 -2.0 1.7 -1.3 0.7 -0.5 10 1 Adc Adc Adc Adc Adc Adc µF µF Vin = Vin (nom); Iout = Iout (max); Vo = V0 (nom) Internal to converter 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 Line regulation Load regulation Vo (nom) 2.475 2.500 2.525 ±0.2 ±0.5 Vdc % % Vin = Vin (nom); Iout = Iout (nom) Iout = Iout (nom); Vin (min) to Vin (max) Vin = Vin (nom); Iout (min) to Iout (max) Output current - continuous Output current - short circuit Iout Isc 0 6.0 3.0 Adc Apk Continuous, unit auto recovers from short Output voltage - noise Vrms (3.3 V) mVp-p (5.0 V) mVp-p (12 V) mVp-p 20 25 35 mV pk-pk mV pk-pk mV pk-pk Measurement band width 20 MHz See Application Note 186 for details 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 Load transient response park deviation Load transient response - recover External load capacitance Vdynamic 175 mV Peak deviation for 50% to 100% step load, di/dt = 10 A/s Settling time to within 1% of output set point voltage for 50% to 75% step load See Application Notes 186 for output capitance values vs. stability Trecovery 20 µs Cext 0 1000 µF 8 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 Min Typ Max Units Notes and Conditions Overcurrent limit inception Ioc 6.0 Adc Vo = 90% of Vo (nom) 3.3 V, 5 V, 12 V Model 2.5 V Setpoint Efficiency Characteristic Symbol Min Typ Max Units Notes and Conditions Efficiency 3.3 V (source mode) 3.3 V (sink mode) Efficiency 5.0 V (source mode) 5.0 V (sink mode) Efficiency 12 V (source mode) 12 V (sink mode) Efficiency 3.3 V (source mode) 3.3 V (sink mode) Efficiency 5.0 V (source mode) 5.0 V (sink mode) Efficiency 12 V (source mode) 12 V (sink mode) η 87.7 89.5 88.7 % Iout = 100% (max) Vin - Vin (nom) η 87.7 89.5 88.8 % η 83.2 84.9 83.3 % η 90.55 92.4 92.3 91.1 90.7 % Iout = 50% (max) Vin - Vin (nom) η 89.3 % η 80.9 82.5 79.3 % 9 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 12 V Model 5 V Setpoint Input Characteristics Characteristic Symbol Min Typ Max Units Notes and Conditions Input current - operating 1.4 Adc Vin = Vin (nom); Iout = Iout (max); Vo = V0 (nom) Internal to converter Input capacitance - internal filter Input capacitance - external filter Cinput Cbypass 10 1 µF 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 Line regulation Load regulation Vo (nom) 4.95 5.00 5.05 ±0.2 ±0.5 Vdc % % Vin = Vin (nom); Iout = Iout (nom) Iout = Iout (nom); Vin (min) to Vin (max) Vin = Vin (nom); Iout (min) to Iout (max) Output current - continuous Output current - short circuit Iout Isc 0 6.00 3.0 Adc Apk Continuous, unit auto recovers from short Measurement band width 20 MHz See Application Note 186 for details Output voltage - noise Vrms mVp-p 50 mV pk-pk 12 V Model 5 V Setpoint Electrical Characteristics - O/P Characteristic Symbol Min Typ Max Units Notes and Conditions Load transient response park deviation Load transient response - recover External load capacitance Vdynamic 235 mV Peak deviation for 50% to 100% step load, di/dt = 10 A/s Settling time to within 1% of output set point voltage for 50% to 75% step load See Application Notes 186 for output capacitance values vs. stability Trecovery 15 µs Cext 0 500 µF 10 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 Min Typ Max Units Notes and Conditions Overcurrent limit inception Ioc 6.0 Adc Vo = 90% of Vo (nom) 12 V Model 5 V Setpoint Efficiency Characteristic Symbol Min Typ Max Units Notes and Conditions Efficiency Efficiency η η 89.4 87.6 91.2 89.4 % % Iout = 100% Iout (max), Vin = Vin (nom) Iout = 50% Iout (max), Vin = Vin (nom) 11 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 and 12 V Model 0.9 V Setpoint OUTPUT CURRENT (A) OUTPUT CURRENT (A) 3 3 2 1 2 m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) 2 1 2 m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) 0 30 40 50 60 AMBIENT TEMPERATURE (ºC) 70 0 30 60 40 50 AMBIENT TEMPERATURE (ºC) 70 Figure 1: Thermal Derating Curve 3.3 Vin Figure 2: Thermal Derating Curve 5 Vin OUTPUT CURRENT (A) 3 EFFICIENCY (%) 1 .8 .6 .4 .2 0 30 70 50 40 60 AMBIENT TEMPERATURE (ºC) 3V 5V 8V 10 V 12 V 2 1 2 m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) 0 0 1 2 3 OUTPUT CURRENT (A) Figure 4: Efficiency vs. Load Figure 3: Thermal Derating Curve 12 Vin Figure 5: Remote On/Off (Channel 1: Output Voltage, Channel 3: Enable) Figure 6: Typical Output Ripple 12 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 V, 5 V and 12 V Model 2.5 V Setpoint OUTPUT CURRENT (A) 3 OUTPUT CURRENT (A) 3 2 1 2 m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) 2 1 2 m/s (400 LFM) 1 m/s (200 LFM) 1.5 m/s (300 LFM) 0.5 m/s (100 LFM) 0 30 40 50 60 70 AMBIENT TEMPERATURE (ºC) Figure 10: Thermal Derating Curve 3.3 Vin 0 30 50 40 60 AMBIENT TEMPERATURE (ºC) 70 Figure 11: Thermal Derating Curve 5 Vin OUTPUT CURRENT (A) 3 EFFICIENCY (%) 1 .8 .6 .4 .2 0 0 1 2 OUTPUT CURRENT (A) 3 3V 5V 8V 10 V 12 V 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 70 AMBIENT TEMPERATURE (ºC) Figure 12: Thermal Derating Curve 12 Vin Figure 13: Efficiency vs. Load Figure 14: Remote On/Off (Channel 1: Output Voltage, Channel 3: Enable) Figure 15: Typical Output Ripple 14 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 3.3 V, 5 V and 12 V Model 5 V Setpoint OUTPUT CURRENT (A) 3 EFFICIENCY (%) 1 .8 .6 .4 .2 0 0 1 2 3 OUTPUT CURRENT (A) Figure 20: Efficiency vs. Load 6V 8V 10 V 12 V 2 1 2 m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) 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 22: Typical Output Ripple Figure 23: Transient Response 100% - 50% (Channel 1: Output Voltage Deviation, Channel 2: Current Step at 1 A/div) Figure 24: Transient Response 50% - 100% (Channel 1: Output Voltage Deviation, Channel 2: Current Step at 1 A/div) 16 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 2 3 4 5 6 Function Remote on/off Vin Common / RTN Vout PG / Trim Mech Pin (Horz/SMT only) PIN 1 0.610 (15.49) LDO03C005W05-VJ 0.370 (9.40) 0.212 (5.37) 0.16 (3.94) 0.025 (0.64) SQ. PIN 0.067 (1.70) TYP 0.050 (1.27) 0.051 (1.30) Dimensions in Inches (mm) Tolerances (unless otherwise specified) 2 Places ±0.030 (±0.76) 3 Places ±0.010 (±0.25) Figure 26: Mechanical Drawing - Vertical 0.370 (9.40) 0.131 (3.33) 0.292 (7.41) 0.610 (15.49) LDO03C005W05-HJ 0.540 (13.72) 0.051 (1.30) PIN 1 0.067 (1.70) TYP 0.125 (3.18) 0.025 (0.64) SQ. PIN Dimensions in Inches (mm) Tolerances (unless otherwise specified) 2 Places ±0.030 (±0.76) 3 Places ±0.010 (±0.25) 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 Pin Connections Pin No. 1 2 3 4 5 6 Function Remote on/off Vin Common / RTN Vout PG / Trim Mech Pin (Horz/SMT only) 0.370 (9.40) 0.131 (3.33) 0.292 (7.41) 0.025 (0.64) TYP 0.610 (15.49) LDO03C005W05-SJ 0.540 (13.72) 0.051 (1.30) Dimensions in Inches (mm) Tolerances (unless otherwise specified) 2 Places ±0.030 (±0.76) 3 Places ±0.010 (±0.25) PIN 1 0.067 (1.70) TYP 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: sales.us@artesyn.com ' 800 769 7274 '+508 628 5600 EUROPEAN LOCATIONS email: sales.europe@artesyn.com IRELAND AUSTRIA '+353 24 93130 '+43 1 80150 FAR EAST LOCATIONS email: sales.asia@artesyn.com 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