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Products Specifications
All
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators | |
| Manufacturer | ST | |
| Packaging | Multiwatt-15 | |
| Operating Temperature | -40℃~+150℃ | |
| Frequency - Switching | 180kHz~500kHz | |
| Function | Step-down type | |
| Number of Outputs | 1 | |
| Features | Cycle-by-cycle current limiting;Adjustable soft-start;Frequency synchronization;Overcurrent Protection;Operating status indication | |
| Output Type | Adjustable | |
| Topology | Buck | |
| Operating Voltage | 15V~50V | |
| Switch tube (built-in/external) | Built-in | |
| Output Voltage | 5.1V~40V | |
| Output Current | 7A | |
| Quiescent Current | 13mA |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators | |
| Manufacturer | ST | |
| Packaging | Multiwatt-15 | |
| Operating Temperature | -40℃~+150℃ | |
| Frequency - Switching | 180kHz~500kHz | |
| Function | Step-down type | |
| Number of Outputs | 1 | |
| Features | Cycle-by-cycle current limiting;Adjustable soft-start;Frequency synchronization;Overcurrent Protection;Operating status indication |
| Type | Description | |
|---|---|---|
| Output Type | Adjustable | |
| Topology | Buck | |
| Operating Voltage | 15V~50V | |
| Switch tube (built-in/external) | Built-in | |
| Output Voltage | 5.1V~40V | |
| Output Current | 7A | |
| Quiescent Current | 13mA |
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Introduction
AI Translation
The L4977A is a stepdown monolithic power switching regulator delivering 7A at a voltage variable from 5.1 to 40V.
Features
AI Translation
- 7A OUTPUT CURRENT
- 5.1V TO 40V OUTPUT VOLTAGE RANGE
- 0 TO 90% DUTY CYCLE RANGE
- INTERNAL FEED - FORWARD LINE REGULATION
- INTERNAL CURRENT LIMITING
- PRECISE 5.1V ± 2% ON CHIP REFERENCE
- RESET AND POWER FAIL FUNCTIONS
- SOFT START
- INPUT/OUTPUT SYNC PIN
- UNDER VOLTAGE LOCK OUT WITH HYSTERETIC TURN - ON
- PWM LATCH FOR SINGLE PULSE PER PERIOD
- VERY HIGH EFFICIENCY
- SWITCHING FREQUENCY UP TO 500KHz
- THERMAL SHUTDOWN
- CONTINUOUS MODE OPERATION
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| Qty | Unit Price(Reference Only) | Total Amount |
|---|---|---|
| 1+ | $ 6.602 | $ 6.60 |
| 10+ | $ 6.4551 | $ 64.55 |
| 25+ | $ 5.5812 | $ 139.53 |
| 100+ | $ 5.4833 | $ 548.33 |
Standard Packaging25/Full Tube | ||
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Products Specifications
All
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators | |
| Manufacturer | ST | |
| Packaging | Multiwatt-15 | |
| Operating Temperature | -40℃~+150℃ | |
| Frequency - Switching | 180kHz~500kHz | |
| Function | Step-down type | |
| Number of Outputs | 1 | |
| Features | Cycle-by-cycle current limiting;Adjustable soft-start;Frequency synchronization;Overcurrent Protection;Operating status indication | |
| Output Type | Adjustable | |
| Topology | Buck | |
| Operating Voltage | 15V~50V | |
| Switch tube (built-in/external) | Built-in | |
| Output Voltage | 5.1V~40V | |
| Output Current | 7A | |
| Quiescent Current | 13mA |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators | |
| Manufacturer | ST | |
| Packaging | Multiwatt-15 | |
| Operating Temperature | -40℃~+150℃ | |
| Frequency - Switching | 180kHz~500kHz | |
| Function | Step-down type | |
| Number of Outputs | 1 | |
| Features | Cycle-by-cycle current limiting;Adjustable soft-start;Frequency synchronization;Overcurrent Protection;Operating status indication |
| Type | Description | |
|---|---|---|
| Output Type | Adjustable | |
| Topology | Buck | |
| Operating Voltage | 15V~50V | |
| Switch tube (built-in/external) | Built-in | |
| Output Voltage | 5.1V~40V | |
| Output Current | 7A | |
| Quiescent Current | 13mA |
Report an ErrorShow similar products (0) >
Introduction
AI Translation
The L4977A is a stepdown monolithic power switching regulator delivering 7A at a voltage variable from 5.1 to 40V.
Features
AI Translation
- 7A OUTPUT CURRENT
- 5.1V TO 40V OUTPUT VOLTAGE RANGE
- 0 TO 90% DUTY CYCLE RANGE
- INTERNAL FEED - FORWARD LINE REGULATION
- INTERNAL CURRENT LIMITING
- PRECISE 5.1V ± 2% ON CHIP REFERENCE
- RESET AND POWER FAIL FUNCTIONS
- SOFT START
- INPUT/OUTPUT SYNC PIN
- UNDER VOLTAGE LOCK OUT WITH HYSTERETIC TURN - ON
- PWM LATCH FOR SINGLE PULSE PER PERIOD
- VERY HIGH EFFICIENCY
- SWITCHING FREQUENCY UP TO 500KHz
- THERMAL SHUTDOWN
- CONTINUOUS MODE OPERATION
C262896 EasyEDA Library
Compliance & Export Codes
| Type | Details |
|---|---|
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
| Type | Details |
|---|---|
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Alternative Parts
| MPN | Manufacturer | Packaging | Availability | Unit Price | ||
|---|---|---|---|---|---|---|
| L4970A | ST | Multiwatt-15 | 0 | $ 26.9435 |