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Hello, Please ask a question about TC962 Datasheet
# Example questions:
➢ How does changing the input voltage affect the output resistance, and what might be a practical implication of this relationship in a circuit design?
➢ What type of capacitor is recommended for use with the tc962, and why is its capacitance value important?
➢ Explain how this relationship is illustrated in the provided 'oscillator frequency vs. c' graph.
| Part No. | TC962 |
| Manufacturer | TELCOM |
| Size | 74 Kbytes |
| Pages | 5 pages |
| Description | HIGH CURRENT CHARGE PUMP DC-TO-DC CONVERTER |
# TC962 High Current Charge Pump DC-TO-DC Converter
## Features
️· Pin Compatible With TC7662/ICL7662/SI7661
️· High Output Current: 80mA
️· No External Diodes Required
️· Wide Operating Range: 3V to 18V
️· Low Output Impedance: 28Ω Typ.
️· No Low Voltage Terminal Required
️· Application Zener On Chip
️· OSC Frequency Doubling Pin Option
## Ordering Information
️· TC962COE: 16-Pin SOIC Wide, 0°C to +70°C
️· TC962CPA: 8-Pin Plastic DIP, 0°C to +70°C
️· TC962EPA: 8-Pin Plastic DIP, -40°C to +85°C
️· TC962IJA: 8-Pin CerDIP, -25°C to +85°C
️· TC962MJA: 8-Pin CerDIP, -55°C to +125°C
️· TC7660EV: Evaluation Kit
## General Description
️· Advanced version of TC7662
️· Capable of sourcing 8mA
️· Can output voltages from 3V to 18V
️· Low output impedance (28Ω)
️· High voltage conversion (99.9%) and power conversion (97%) efficiencies
️· Eliminated low voltage terminal
️· Grounding pin 6 doubles oscillator frequency (12kHz to 24kHz)
️· Requires only two external capacitors for inverter applications.
## Electrical Characteristics
️· Supply Voltage (VDD): 3-18V
️· Supply Current (IS): 510-700 µA (15V, 25°C)
️· Output Source Resistance (RO): 32-40Ω (20mA, 15V)
️· Oscillator Frequency (COSC): 12kHz (Pin 6 Open), 24kHz (Pin 6 GND)
️· Power Efficiency (PEFF): 93-97%
️· Voltage Efficiency (VDEF): 99.9%
️· Zener Voltage (VZ): 6.0-6.4V (5mA)
## Absolute Maximum Ratings
️· Supply Voltage: +18V
️· Input Voltage: VDD + 0.3V to VSS - 0.3V
️· Current into Any Pin: 10mA
️· Storage Temperature: -65°C to +150°C
️· Operating Temperature: 0°C to +70°C (CPA, COE), -25°C to +85°C (IJA), -40°C to +85°C (EPA), -55°C to +125°C (MJA)
## Application Information
️· Capacitive pump (switched capacitor circuit) with 4 MOSFET switches
️· High efficiency due to low ESR capacitors.
️· Latch-up protection required.
️· Zener diode for external regulator reference.
# TC962 High Current Charge Pump DC-TO-DC Converter
## Features
️· Pin Compatible With TC7662/ICL7662/SI7661
️· High Output Current: 80mA
️· No External Diodes Required
️· Wide Operating Range: 3V to 18V
️· Low Output Impedance: 28Ω Typ.
️· No Low Voltage Terminal Required
️· Application Zener On Chip
️· OSC Frequency Doubling Pin Option
## Ordering Information
️· TC962COE: 16-Pin SOIC Wide, 0°C to +70°C
️· TC962CPA: 8-Pin Plastic DIP, 0°C to +70°C
️· TC962EPA: 8-Pin Plastic DIP, -40°C to +85°C
️· TC962IJA: 8-Pin CerDIP, -25°C to +85°C
️· TC962MJA: 8-Pin CerDIP, -55°C to +125°C
️· TC7660EV: Evaluation Kit
## General Description
️· Advanced version of TC7662
️· Capable of sourcing 8mA
️· Can output voltages from 3V to 18V
️· Low output impedance (28Ω)
️· High voltage conversion (99.9%) and power conversion (97%) efficiencies
️· Eliminated low voltage terminal
️· Grounding pin 6 doubles oscillator frequency (12kHz to 24kHz)
️· Requires only two external capacitors for inverter applications.
## Electrical Characteristics
️· Supply Voltage (VDD): 3-18V
️· Supply Current (IS): 510-700 µA (15V, 25°C)
️· Output Source Resistance (RO): 32-40Ω (20mA, 15V)
️· Oscillator Frequency (COSC): 12kHz (Pin 6 Open), 24kHz (Pin 6 GND)
️· Power Efficiency (PEFF): 93-97%
️· Voltage Efficiency (VDEF): 99.9%
️· Zener Voltage (VZ): 6.0-6.4V (5mA)
## Absolute Maximum Ratings
️· Supply Voltage: +18V
️· Input Voltage: VDD + 0.3V to VSS - 0.3V
️· Current into Any Pin: 10mA
️· Storage Temperature: -65°C to +150°C
️· Operating Temperature: 0°C to +70°C (CPA, COE), -25°C to +85°C (IJA), -40°C to +85°C (EPA), -55°C to +125°C (MJA)
## Application Information
️· Capacitive pump (switched capacitor circuit) with 4 MOSFET switches
️· High efficiency due to low ESR capacitors.
️· Latch-up protection required.
️· Zener diode for external regulator reference.
| Part No. | TC962 |
| Manufacturer | TELCOM |
| Size | 74 Kbytes |
| Pages | 5 pages |
| Description | HIGH CURRENT CHARGE PUMP DC-TO-DC CONVERTER |
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