CP34063A CERAMATE [Ceramate Technical], CP34063A Datasheet

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CP34063A

Manufacturer Part Number
CP34063A
Description
1.5A,Step-Up/Down/Inverting Switching Regulators
Manufacturer
CERAMATE [Ceramate Technical]
Datasheet

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* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
primary functions required for DC–to–DC converters. These devices
consist of an internal temperature compensated reference, comparator,
controlled duty cycle oscillator with an active current limit circuit,
driver and high current output switch. This series was specifically
designed to be incorporated in Step–Down and Step–Up and
Voltage–Inverting applications with a minimum number of external
components.
The CP34063 Series is a monolithic control circuit containing the
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
1.5A,Step-Up/Down/Inverting Switching Regulators
This device contains 51 active transistors.
Page 1 of 10
Email: server@ceramate.com.tw
Http: www.ceramate.com.tw
1
2
3
4
8
1 - Switch Collector
2 - Switch Emitter
3 - Timing Capacitor
4 - Gnd
8
5 - Comparator Inverting Input
6 - Vcc
7 - Ipk Sense
8 - Driver Collector
PIN CONNECTIONS
1
1
CP34063
Rev 1.1 Jul.18,2003
PDIP–8
SOP–8
8
7
6
5

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CP34063A Summary of contents

Page 1

Switching Regulators The CP34063 Series is a monolithic control circuit containing the primary functions required for DC–to–DC converters. These devices consist of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver ...

Page 2

Switching Regulators MAXIMUM RATINGS Rating Power Supply Voltage Comparator Input Voltage Range Switch Collector Voltage Switch Emitter Voltage ( Pin 1 Switch Collector to Emitter Voltage Driver Collector Voltage Driver Collector Current (Note 1) Switch Current ...

Page 3

Switching Regulators ELECTRICAL CHARACTERISTICS Characteristics OSCILLATOR Frequency ( 1.0 nF, T Pin 5 T Charge Current ( Discharge Current ( ...

Page 4

Switching Regulators Figure 2. Output Switch On–Off Time versus Oscillator Timing Capacitor Figure 4. Emitter Follower Configuration Output Saturation Voltage versus Emitter Current Figure 6. Current Limit Sense Voltage versus Temperature * All specs and applications shown above subject ...

Page 5

Switching Regulators Test Line Regulation Load Regulation Output Ripple Efficiency Output Ripple With Optional Filter * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Tel:886-3-3214525 ...

Page 6

Switching Regulators Figure 9. External Current Boost Connections for I 9a. External NPN Switch 8. If the output switch is driven into hard saturation (non–Darlington configuration) at low switch currents ( 300 mA) and high driver currents ( 30 ...

Page 7

Switching Regulators Test Line Regulation Load Regulation Output Ripple Short Circuit Current Efficiency Output Ripple With Optional Filter Figure 11. External Current Boost Connections for I 11a. External NPN Switch * All specs and applications shown above subject to ...

Page 8

Switching Regulators Test Line Regulation Load Regulation Output Ripple Short Circuit Current Efficiency Output Ripple With Optional Filter Figure 13. External Current Boost Connections for I 13a. External NPN Switch * All specs and applications shown above subject to ...

Page 9

Switching Regulators Package Outlines : DIP-8 SYMBOL α * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU ...

Page 10

Switching Regulators Small Outline SOP-8 SYMBOL α * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU ...

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