Description
BUY ISL62771HRTZ-T https://www.utsource.net/itm/p/6342941.html
IC REG CTRLR MULTIPH 2OUT 40TQFN
| Parameter |
Symbol |
Conditions |
Min |
Typ |
Max |
Unit |
| Input Voltage |
V_IN |
Continuous |
4.5 |
|
14 |
V |
| Output Voltage |
V_OUT |
|
|
0.6 |
5.5 |
V |
| Switching Frequency |
f_SW |
Default Setting |
|
300 |
1000 |
kHz |
| Efficiency |
η |
@ 5V IN, 3.3V OUT |
|
92 |
|
% |
| Quiescent Current |
I_Q |
|
|
60 |
|
μA |
| Load Current |
I_OUT |
Continuous |
|
1 |
6 |
A |
| Operating Temperature |
T_OP |
|
-40 |
|
85 |
°C |
| Storage Temperature |
T_STG |
|
-65 |
|
150 |
°C |
| Package Type |
|
|
|
|
|
TSSOP |
Instructions for ISL62771HRTZ-T:
Power Supply Connection:
- Connect the input voltage (V_IN) to the appropriate power supply within the specified range of 4.5V to 14V.
- Ensure proper bypass capacitors are placed close to the input and output pins to stabilize the power supply.
Output Configuration:
- Set the desired output voltage using external resistors or by selecting a fixed output version if available.
- Verify the output voltage is within the 0.6V to 5.5V range.
Switching Frequency Adjustment:
- The default switching frequency can be adjusted via an external resistor or through pin configuration.
- Confirm the switching frequency is set between 300kHz and 1MHz as required by your application.
Thermal Considerations:
- Ensure adequate heat dissipation, especially when operating at higher load currents.
- Keep the operating temperature within the -40°C to 85°C range to avoid thermal shutdown or damage.
PCB Layout Guidelines:
- Follow recommended PCB layout guidelines provided in the datasheet to minimize noise and improve efficiency.
- Place decoupling capacitors as close as possible to the device to reduce parasitic inductance.
Storage and Handling:
- Store the device in a dry environment within the storage temperature range of -65°C to 150°C.
- Handle with care to prevent electrostatic discharge (ESD) damage.
(For reference only)
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