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Package Cooled:252 D/C:04+
Part Number: TLE4307
Package Cooled: 252
D/C: 04+
Description: The TLE 4307 is a monolithic integrated power charge pump with a Low Drop Voltage Regulator. The power...
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TLE4307
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DataSheet
General Description
TLE4307 General Description
The TLE 4307 is a monolithic integrated power charge pump with a Low Drop Voltage Regulator. The power charge pump loads an energy storage capacitor at pin C. The voltage regulator supplies 3.3 V or 3.8 V out of this storage capacitor with up to 800 mA output current. The TLE 4307 is intended for use with DC supplies for consumer or industrial applications.
The TLE 4307 consists of 2 stages, the charge pump and the very low drop voltage regulator.
TLE4307 Maximum Ratings
| Parameter | Symbol | Limit Values | Unit | Notes | |
| min. | max. | ||||
| Input | |||||
| Input voltage | VI | 0.3 | VICL | V | VICL = zener clamp voltage |
| Input current (during pump cycle) |
II | 5 | mA | internally limited | |
| Input current (during active zener operation) |
II | 5 | 1000 | mA | tp < 1 ms; duty cycle 10% |
| Charge-Pump Output | |||||
| Voltage | VC | 0.3 | 20 | V | |
| Current | IC | mA | internally limited | ||
| Slewrate Input | |||||
| Voltage | VSL | 0.3 | 4.0 | V | |
| Current | ISL | 0.5 | 0.5 | mA | |
| Regulator Output | |||||
| Voltage | VQ | 0.3 | 25 | V | |
| Current | IQ | mA | internally limited | ||
| Temperature | |||||
| Junction temperature | Tj | 40 | 150 | °C | |
| Storage temperature | TStg | 50 | 150 | °C | |
| Thermal Data | |||||
| Junction-ambient | Rthj-a | 70 | K/W | ||
| Rthj-c | 4 | K/W | |||
| ESD | |||||
| All pins to GND | VESD | 2 | 2 | kV | HBM Model |
| Operating Range | |||||
| Input voltage | VI | 0 | VICL | V | |
| Output current | II | 0 | 600 | mA | |
| Junction temperature | Tj | 40 | 150 | °C | |
TLE4307 Features
• High Current Capability
• Short Circuit Protection
• Overtemperature Protection
• Active Zener Circuit
• 3.3 V or 3.8 V output voltage
• Low Output Voltage Tolerance
• High Current Capability 800 mA
• Short Circuit Protection
• Overtemperature Protection
• Optimized SMD Package
• Short Circuit Protection
• Overtemperature Protection
• Active Zener Circuit
• 3.3 V or 3.8 V output voltage
• Low Output Voltage Tolerance
• High Current Capability 800 mA
• Short Circuit Protection
• Overtemperature Protection
• Optimized SMD Package
TLE4307 Typical Application
The IC is meant to be used with a DC power supply. The power charge pump limits the energy that is needed to drive the load at the output Q of the IC. The energy is stored to a capacity CC, connected to pin C. When pin C reaches VC,off, the power charge pump is
switched off. Since the power supply consists of the inductance and a parasitic series resistance, the remaining available energy is dissipated in the external power supply and therefore does not stress the IC with this dispensable energy. The very low drop regulator is provided with the energy, stored in CC. The regulator requires an output capacitor CQ for the stability of the regulating circuit. Stability is guaranteed at values above 22 µF and an ESR 1 Ω within the operating temperature range.
switched off. Since the power supply consists of the inductance and a parasitic series resistance, the remaining available energy is dissipated in the external power supply and therefore does not stress the IC with this dispensable energy. The very low drop regulator is provided with the energy, stored in CC. The regulator requires an output capacitor CQ for the stability of the regulating circuit. Stability is guaranteed at values above 22 µF and an ESR 1 Ω within the operating temperature range.
TLE4307 Connection Diagram
TLE 4307 DV33
PDF/DataSheet Download
- Datasheet: TLE 4307 DV33
- File Size: 90789 KB
- Manufacturer:
- Click here to Download
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