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PDF NTE1720 Data sheet ( Hoja de datos )
| Número de pieza | NTE1720 | |
| Descripción | Integrated Circuit Pulse Width Modulator (PWM) Regulator | |
| Fabricantes | NTE | |
| Logotipo |  |
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NTE1720
Integrated Circuit
Pulse Width Modulator (PWM) Regulator
Description:
The NTE1720 PWM switching regulator control circuit contains all the essential circuitry to implement
single–ended or push–pull switching regulators. Included on the circuit are oscillator, voltage refer-
ence, a pulse width modulator, error amplifier, overload protection circuitry and output drivers.
A substance zener reference has been used to provide excellent stability with time and the reference
has been used to provide excellent stability with time and the reference is trimmed at the wafer level
to provide an initial accuracy of 2%. Additionally, the oscillator is trimmed to provide a medium toler-
ance of 6%.
Features:
D Reference Tolerance: ±2%
D Oscillator Tolerance: ±6%
D Long Term Stability: 10mV/1000 Hrs
D Operates Above 100kHz
Applications:
D Switching Power Supplies
D Motor Speed Control
D Off–Line Power Converters
Absolute Maximum Ratings:
Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Reference Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA
Output Current (Each Output) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA
Oscillator Charging Current (Pin6 or Pin7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA
Internal Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55°C to +125°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (During soldering, 10 sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300°C
Note 1. For operating at elevated temperatures, the NTE1720 is derated at 150°C/W to a maximum
junction temperature of 115°C.
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet NTE1720.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| NTE1720 | Integrated Circuit Pulse Width Modulator (PWM) Regulator | NTE |
| NTE1721 | Integrated Circuit Pulse Width Modulator (PWM) Regulator | NTE |
| NTE1722 | Integrated Circuit Pulse Width Modulator (PWM) Control Circuit | NTE |
| NTE1723 | Integrated Circuit Pulse Width Modulator (PWM) Regulator | NTE |
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