CP1032 Chopper Regulators ■ Features Maximum switching current: 3.5A ● Built-in ON/OFF control function ● Built-in soft start function to suppress overshoot of output voltage in power on sequence or ON/OFF control sequence ● ● Built-in oscillation circuit (Oscillation frequency: TYP. 150kHz) ● Built-in overheat protection function, overcurrent shut-down function ● Sleeve-packaged product ● Variable output voltage (Output variable range: Vref to 35V/–Vref to –30V) [Possible to select step-down output/inversing output according to external connection circuit] ■ Applications LCD monitors Car navigation systems ● Switching power supplies ● ● ■ Absolute Maximum Ratings (Ta=25°C) Parameter ❇1 Input voltage Error input voltage Input-output voltage ❇2 Output − COM voltage ❇3 Vsoft terminal voltage Switching current ❇4 Power dissipation ❇5 Junction temperature Operating temperature Storage temperature Soldering temperature Symbol Rating VIN 40 VADJ 7 VI-O 41 VOUT −1 Vsoft −0.3 to +40 3.5 ISW 35 PD Tj 150 Topr −20 to +85 Tstg −40 to +150 Tsol 260 (10s) ❇1 Voltage between VIN terminal and COM terminal ❇2 Voltage between VOUT terminal and COM terminal ❇3 Voltage between VSOFT terminal and COM terminal ❇4 PD:With infinite heat sink ❇5 Overheat protection may operate at Tj=125˚C to 150˚C Unit V V V V V A W ˚C ˚C ˚C ˚C •Please refer to the chapter " Handling Precautions ". * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 1 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052 CP1032 Chopper Regulators ■ Electrical Characteristics (CP1032-ADJ) (Unless otherwise specified, condition shall be VIN=12V, IO=0.5A, VO=5V, Vsoft terminal=0.1µF, Ta=25˚C) MIN. TYP. MAX. Unit Symbol Conditions Parameter Output saturation voltage Reference voltage Reference voltage temperature fluctuation Load regulation Line regulation Efficiency Oscillation frequency Oscillation frequency temperature fluctuation Overcurrent detecting level Charge current Input threshold voltage ON threshold voltage Overcurrent shutdown threshold voltage Stand-by current Output OFF-state dissipation current (CP1032-5.0V) Parameter VSAT Vref ∆Vref |RegL| |RegI| η fO ∆fO IL ICHG VTHL VTHH VTH(ON) VTHIL ISD IQS ISW=3A − Tj=0 to 125˚C IO=0.5 to 3A VIN=8 to 35V IO=3A − Tj=0 to 125˚C − 2 , 4 terminals is open, 5 terminal Duty ratio=0%, 4 terminal=0V, 5 terminal Duty ratio=100%, 4 terminals is open, 5 terminal 4 terminal=0V, 5 terminal 5 terminal VIN=40V, 5 terminal=0V VIN=40V, 5 terminal=0.9V Efficiency Oscillator Frequency 1.4 1.26 1.8 1.285 − − − − 135 − 3.6 − − − 0.7 3.8 − − ±0.5 0.2 1 80 150 ±2 4.2 −10 1.3 2.3 0.8 4.6 140 8 − 1.5 2.5 − 165 − 5.8 − − − 0.9 5.5 400 16 V V % % % % kHz % A µA V V V V µA mA (Unless otherwise specified, condition shall be VIN=12V, IO=0.5A, VO=5V, Vsoft terminal=0.1⎧F, Ta=25°C) Symbol Conditions Test circuit of Figure2 Output Voltage − 1.235 VOUT η fosc MIM. TYP. MAX. Unit. 4.9 5.0 5.1 V 0.5≦ILOAD≦3A Test circuit of Figure2 0.5≦ILOAD≦3A 8V≦VIN≦40V 4.8 5.0 5.2 V -40℃≦TJ≦125℃ Test circuit of Figure2 8V≦VIN≦40V 4.75 5.0 5.25 V ILOAD=3A 80 135 150 % 165 kHz * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 2 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052 CP1032 Chopper Regulators Order Information Package TO-263-5 TO-220-5 Part Number Packing Type Marking CP1032 ADJ Tape/Tube CP1032 ADJ CP1032 5.0 Tape/Tube CP1032 5.0 CP1032 ADJ N Tape/Tube CP1032 ADJ CP1032 5.0 N Tape/Tube CP1032 5.0 CP1032 XXX X X Blank: Tube A: Taping Reel Blank: TO-263-5 N: TO-220-5 ADJ 5.0V * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 3 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052 CP1032 Chopper Regulators Connection Diagrams (1) Vin (2) Vout (3) COM (Common to heat sink) (4) Oadj (5) Vsoft (TO-263-5) (1) Vin (2) Vout (3) COM (Common to heat sink) (4) Oadj (5) Vsoft (TO-220-5) * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 4 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052 CP1032 Chopper Regulators Fig.1 Test Circuit 4 1 CP1032-ADJ I SD I QS L 45 H 2 Io 5 R2 A 3 A D V IN 1000 F 220 F 5 terminal LOW HIGH OPEN LOAD Co C IN I CHG R1 1K Vo output OFF ON ON Fig.2 Test Circuit 4 1 CP1032-5.0 I SD I QS A L 45 H 2 Io 5 3 A V IN C IN 5 terminal LOW HIGH OPEN Vo output OFF ON ON 220 F D Co LOAD 1000 F I CHG * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 5 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052 CP1032 Chopper Regulators Fig.3 Power Dissipation vs. Ambient Temperature Fig.4 Overcurrent Protection Characteristics (Typical Value) 6 40 PD : With infinite heat sink 5 30 Output voltage VO (V) Power dissipation PD (W) 35 25 20 15 4 Shutdown operating 3 2 10 Ta=25°C VIN=12V VO=5V 1 5 0 −20 0 0 25 50 75 85 0 0.5 1 1.5 Ambient temperature Ta (°C) Note) Oblique line portion:Overheat protection may operate in this area. Fig.5 Efficiency vs. Input Voltage 100 Tj=25°C 2.5 3 3.5 4 4.5 5 Fig.6 Switching Current vs. Output Saturation Voltage 4 VO=12V, IO=1A VO=12V, IO=3A 2 Output current IO (A) Tj=25°C 3.5 Switching current ISW (A) Efficiency η (%) 90 80 VO=5V, IO=1A VO=5V, IO=3A 70 3 2.5 2 1.5 1 60 0.5 50 0 0 5 10 15 20 25 30 35 40 0 Input voltage VIN (V) 0.5 0.75 1 1.25 1.5 Reference voltage fluctuation (%) Tj=25°C VO=5V IO=3A 10 IO=1A 5 0 0 5 10 15 20 25 Input voltage VIN (V) 1.75 2 Fig.8 Reference Voltage Fluctuation vs. Junction Temperature 15 No load 1.5 Output saturation voltage VSAT (V) Fig.7 Operating Dissipation Current vs. Input Voltage Operating disspation current IQ' (mA) 0.25 30 35 40 VIN=12V VO=5V 1 0.5 0 −0.5 −1 −1.5 −25 0 25 50 75 100 125 Junction temperature Tj (°C) * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 6 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052 CP1032 Chopper Regulators Fig.9 Load Regulation vs. Output Current Fig.10 Line Regulation vs. Input Voltage 1.5 1.5 1 Line regulation RegI (%) Load regulation RegL (%) Tj=25˚C VIN=12V VO=5V 0.5 0 1 0.5 0 Tj=25°C VO=5V IO=0.5A −0.5 −0.5 0 0.5 1 1.5 2 2.5 0 3 5 10 15 20 25 30 35 40 Output current IO (A) Input voltage VIN (V) Fig.11 Oscillation Frequency Fluctuation vs. Junction Temperature Fig.12 Overcurrent Detecting Level Fluctuation vs. Junction Temperature 8 VIN=12V VO=5V Overcurrent detecting level fluctuation (%) Oscillation frequency fluctuation (%) 6 4 2 0 −2 −4 −6 −25 0 25 50 75 100 6 4 2 0 −2 −4 −6 −8 −25 125 0 Fig.13 On Threshold Voltage vs. Junction Temperature VIN=12V VTHH 2 VTHL 1.5 1 VTH (ON) 0.5 0 −25 0 25 50 75 Junction temperature Tj (°C) 50 75 100 125 100 Fig.14 Overcurrent Shutdown Threshold Voltage vs. Junction Temperature Overcurrent shutdown threshold voltage VTHIL (V) Threshold voltage VTH (ON), VTHL, VTHH (V) 3 2.5 25 Junction temperature Tj (°C) Junction temperature Tj (°C) 125 6 VIN=12V 5.5 5 4.5 4 3.5 3 −25 0 25 50 75 100 125 Junction temperature Tj (°C) * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 7 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052 CP1032 Chopper Regulators Fig.15 Power Dissipation vs. Ambient Temperature (Typical Value) 3 Power dissipation PD (W) Cu area 3 600mm2 2 Cu area 900mm2 Cu area 400mm2 1 Cu area 115mm2 PWB PWB Cu 0 −20 0 25 50 75 Material : Glass-cloth epoxy resin Size : 60×60×1.6mm Cu thickness : 65µm 85 Ambient temperature Ta (°C) Fig.16 Block Diagram VIN 1 Voltage regulator F/F Q 5 Vsoft 4 OADJ Soft start circuit ERROR AMP. _ + R S Ocsillation circuit Overheat detection circuit Vout ON/OFF circuit _ PWM COMP. + Overcurrent detection circuit 2 _ + Vref VS' 3 COM * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 8 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052 CP1032 Chopper Regulators Fig.17 Step Down Type Circuit Diagram 4 1 L 45 H 2 CP1032-ADJ Vo 5V 5 R2 3K Rs 3 D V IN 8 to 35V Cs LOAD Co C IN 1000 F 220 F R1 1K Rs 50K ON/OFF control signal Fig.18 Polarity Inversion Type Circuit Diagram 4 1 L 65 H 2 CP1032-ADJ 5 R2 3K Rs 3 D V IN 5 to 30V Cs 220 F LOAD Co C IN 2200 F R1 1K ON/OFF control signal Vo -5V * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 9 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052 CP1032 Chopper Regulators Fig.19 Step Down Type Circuit Diagram 4 1 L 45 H 2 CP1032-5.0 Vo 5V 5 Rs 3 D V IN 8 to 35V Cs LOAD Co C IN 1000 F 220 F Rs 50K ON/OFF control signal Fig.20 Polarity Inversion Type Circuit Diagram 4 1 L 65 H 2 CP1032-5.0 5 Rs 3 D V IN 5 to 30V Cs LOAD Co C IN 1000 F 220 F ON/OFF control signal Vo -5V * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 10 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052 CP1032 Chopper Regulators Physical Dimensions inch(millimeters) (TO-263-5) * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 11 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052 CP1032 Chopper Regulators (TO-220-5) * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected] Tel:886-3-3214525 Http: www.ceramate.com.tw Page 12 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052