Description
BUY ISL88739HRZ https://www.utsource.net/itm/p/12608819.html
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Conditions |
Input Voltage |
VIN |
4.5 |
- |
14 |
V |
|
Output Voltage |
VOUT |
- |
3.3 |
- |
V |
Fixed |
Output Current |
IOUT |
- |
3 |
3.5 |
A |
|
Efficiency |
η |
- |
90 |
- |
% |
At full load |
Switching Frequency |
fSW |
- |
700 |
- |
kHz |
|
Quiescent Current |
IQ |
- |
2.5 |
- |
mA |
No load |
Dropout Voltage |
VDROPOUT |
- |
300 |
- |
mV |
IOUT = 3A |
Operating Temperature |
TOPR |
-40 |
- |
85 |
°C |
|
Storage Temperature |
TSTG |
-65 |
- |
150 |
°C |
|
Instructions for ISL88739HRZ:
- Input Voltage Range: Ensure the input voltage is within the specified range of 4.5V to 14V.
- Output Configuration: The output voltage is fixed at 3.3V and does not require external components for setting the output voltage.
- Heat Dissipation: Given the high efficiency, minimal heatsinking may be required under most operating conditions; however, ensure adequate ventilation or heat dissipation if operating near maximum current and temperature limits.
- Capacitor Selection: Use recommended input and output capacitors to stabilize the power supply and minimize ripple. Refer to the datasheet for specific capacitor types and values.
- PCB Layout: Pay attention to PCB layout guidelines provided in the datasheet to ensure optimal performance and thermal management.
- Protection Features: The device includes internal protections such as overcurrent, overtemperature, and short-circuit protection. Ensure these features are understood and utilized correctly in the application design.
- Storage and Handling: Store in a dry environment and handle with care to avoid damage from electrostatic discharge (ESD). Follow the storage temperature guidelines.
For detailed specifications and additional information, refer to the official datasheet of the ISL88739HRZ.
(For reference only)
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