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PDF NCT3720S Data sheet ( Hoja de datos )
| Número de pieza | NCT3720S | |
| Descripción | Ultra Low Dropout Regulator | |
| Fabricantes | novoTon | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NCT3720S (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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NCT3720S/ S-L
Nuvoton
Maximum 2A, Ultra Low
Dropout Regulator
NCT3720S/ NCT3720S-L
Publication Release Date: Jan, 2011
I Version: A3
1 page  
NCT3720S/ S-L
6. BLOCK DIAGRAM
GND
EN
CNTL VIN
OTP
POR
Softstart &
Control Logic
OCP
FB Driver
0.8V
VOUT
0.72V
PG
7. FUNCTIONAL DESCRIPTION
The NCT3720S/S-L is intended for applications where high current capability and very low
dropout voltage are required. It provides a very simple, low cost solution that uses very little pcb
real estate. Additional features include an enable pin to allow for a very low power consumption at
disable, and a fully adjustable output.
Output Voltage Selection
The output voltage of NCT3720S/S-L is adjustable from 0.8V to (VIN-VDROP) by external voltage
divider resisters as shown in Typical Application Circuit. The value of resisters R1 and R2 should
be more than 10kΩ to reduce the power loss. The VCNTL must be greater than (VOUT + 1.5V).
Input capacitor
-3-
Publication Release Date: Jan, 2011
Version: A3
5 Page 
NCT3720S/ S-L
9. TYPICAL OPERATING WAVEFORMS
(VIN = VOUT + 0.5V, VCNTL = VEN = 5V, CIN = COUT=10uF, CVCNTL = 1uF, TA = 25℃ )
Power On
Power Off
Enable
Disable
Transient Response
UVLO
-9-
Publication Release Date: Jan, 2011
Version: A3
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet NCT3720S.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| NCT3720S | Ultra Low Dropout Regulator | novoTon |
| NCT3720S-L | Ultra Low Dropout Regulator | novoTon |
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