CP34063 CERAMATE | Alldatasheet
Document overview
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- PDF pages: 10
Technical content
- All specs and applications shown above subject to change without prior notice.
- Operation from 3.0 V to 40 V Input
- Low Standby Current
- Current Limiting
- Output Switch Current to 1.5 A
- Output Voltage Adjustable
- Frequency Operation to 100 kHz
- Precision 2% Reference
Figure 1. Representative Schematic Diagram This device contains 51 active transistors.
1.5A,Step-Up/Down/Inve rting Switching Regulators * All specs and applications shown above subject to change without prior notice. MAXIMUM RATINGS Rating Symbol Value Unit Power Supply Voltage VCC 40 Vdc Comparator Input Voltage Range VIR –0.3 to +40 Vdc Switch Collector Voltage VC(switch) 40 Vdc Switch Emitter Voltage (VPin 1 = 40 V) VE(switch) 40 Vdc Switch Collector to Emitter Voltage VCE(switch) 40 Vdc Driver Collector Voltage VC(driver) 40 Vdc Driver Collector Current (Note 1) IC(driver) 100 mA Switch Current ISW 1.5 A Powe r Dissipation and Thermal Characteristics Plastic Package, PDIP-8 TA = 25°C PD 1.25 W Thermal Resistance R θJA 100 °C/W TA = 25°C PD 625 mW Thermal Resistance R θJA 160 °C/W Operating Junction Temperature TJ +150 °C Operating Ambient Temperature Range TA °C 0 to +70 Storage Temperature Range Tstg –65 to +150 °C 1. Maximum package power dissipation limits must be observed. 2. ESD data available upon request. 3. NCV prefix is for automotive and other applications requiring site and change control.
ORDERING INFORMATION
A : Taping (SOP -8) N : Tube (DIP -8) Tel:886-3-3214525 Http: www.ceramate.com.tw Fax:886-3-3521052 Page 2 of 10 Rev 1.1 Jul.18,2003
1.5A,Step-Up/Down/Inve rting Switching Regulators * All specs and applications shown above subject to change without prior notice. ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, TA = Tlow to Thigh [Note 4], unless otherwise specified.) Characteristics Symbol Min Typ Max Unit OSCILLATOR Frequency (VPin 5 = 0 V, CT = 1.0 nF, TA = 25°C) fosc 24 33 42 kHz Charge Current (VCC = 5.0 V to 40 V, TA = 25°C) Ichg 24 33 42 µA Discharge Current (VCC = 5.0 V to 40 V, TA = 25°C) Idischg 140 220 260 µA Discharge to Charge Current Ratio (Pin 7 to VCC , TA = 25°C) Idischg/Ichg 5.2 6.5 7.5 – Current Limit Sense Voltage (Ichg = Idischg, TA = 25°C) Vipk(sense) 250 300 350 mV OUTPUT SWITCH (Note 5) Saturation Voltage, Darlington Connection (ISW = 1.0 A, Pins 1, 8 connected) VCE(sat) – 1.0 1.3 V Saturation Voltage (Note 6) (ISW = 1.0 A, RPin 8 = 82 Ω to VCC , Forced β 20) VCE(sat) – 0.45 0.7 V DC Current Gain (ISW = 1.0 A, VCE = 5.0 V, TA = 25°C) hFE 50 120 – – Collector Off–State Current (VCE = 40 V) IC(off) – 0.01 100 µA COMPARATOR Threshold Voltage TA = 25°C TA = Tlow to Thigh Vth 1.225 1.21 1.25 1.27 1.29 V Threshold Voltage Line Regulation (VCC = 3.0 V to 40 V) Reg line – 1.4 5.0 mV Input Bias Current (Vin = 0 V) IIB – –40 –400 nA TOTAL DEVICE Supply Current (VCC = 5.0 V to 40 V, CT = 1.0 nF, Pin 7 = VCC , VPin 5 > Vth, Pin 2 = Gnd, remaining pins open) ICC – 2.5 4.0 mA 5. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible. 6. If the output switch is driven into hard saturation (non–Darlington configuration) at low switch currents (≤ 300 mA) and high driver currents (≥ 30 mA), it may take up to 2.0 µs for it to come out of saturation. This condition will shorten the off time at frequencies ≥ 30 kHz, and is magnified at high temperatures. This condition does not occur with a Darlington configuration, since the output switch cannot saturate. If a non–Darlington configuration is used, the following output drive condition is recommended: Forced of output switch : IC output IC driver – 7.0 mA * 10 * The 100 Ω resistor in the emitter of the driver device requires about 7.0 mA before the output switch conducts. 4. Tlow = 0°C for CP34063 Tel:886-3-3214525 Http: www.ceramate.com.tw Fax:886-3-3521052 Page 3 of 10 Rev 1.1 Jul.18,2003
- All specs and applications shown above subject to change without prior notice.
330 C O
28 V/175 mA Vout
Figure 8. Step–Up Converter
- All specs and applications shown above subject to change without prior notice.
- If the output switch is driven into hard saturation (non–Darlington configuration) at low switch currents (≤ 300 mA) and high driver currents
non–Darlington configuration is used, the following output drive condition is recommended. Figure 9. External Current Boost Connections for IC Peak Greater than 1.5 A
- All specs and applications shown above subject to change without prior notice.
5.0 V/500 mA
Figure 10. Step–Down Converter Figure 11. External Current Boost Connections for IC Peak Greater than 1.5 A
1.5A,Step-Up/Down/Inve rting Switching Regulators * All specs and applications shown above subject to change without prior notice. Package Outlines : DIP-8 INCHES MILLIMETERSSYMBOL MIN MAX MIN MAX NOTES A - 0.200 - 5.08 - b1 0.014 0.023 0.36 0.58 - b2 0.045 0.065 1.14 1.65 - c1 0.008 0.015 0.20 0.38 - D 0.355 0.400 9.02 10.16 - E 0.220 0.310 5.59 7.87 - e 0.100 BSC 2.54 BSC - eA 0.300 BSC 7.62 BSC L 0.125 0.200 3.18 5.08 - Q 0.015 0.060 0.38 1.52 - α 900 1050 900 1050 - Tel:886-3-3214525 Http: www.ceramate.com.tw Fax:886-3-3521052 Page 9 of 10 Rev 1.1 Jul.18,2003
1.5A,Step-Up/Down/Inve rting Switching Regulators * All specs and applications shown above subject to change without prior notice. Tel:886-3-3214525 Http: www.ceramate.com.tw Fax:886-3-3521052 Page 10 of 10 Rev 1.1 Jul.18,2003 Small Outline SOP-8 INCHES MILLIMETERSSYMBOL MIN MAX MIN MAX NOTES A 0.188 0.197 4.80 5.00 - B 0.149 0.158 3.80 4.00 - C 0.228 0.244 5.80 6.20 - D 0.050 BSC 1.27 BSC - E 0.013 0.020 0.33 0.51 - F 0.004 0.010 0.10 0.25 - H 0.053 0.069 1.35 1.75 - J 0.011 0.019 0.28 0.48 K 0.007 0.010 0.19 0.25 - M 0.016 0.050 0.40 1.27 L 0.150 REF 3.81 REF - e1 45 0 450 - α 00 80 00 80 -