画像は参考用です
LT1513CR
+BOMBattery Management LT1513 - SEPIC Constant- or Programmable-Current/Constant-Voltage Battery Charger
-
メーカーアナログデバイス
-
メーカー品番 #LT1513CR
-
データシート LT1513CR DataSheet
-
在庫状況24277
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
概要
Description
Equivalent
1. LM2675 from Texas Instruments
2. MC34063 from ON Semiconductor
3. MP1584 from Monolithic Power Systems
4. L4973 from STMicroelectronics
These alternatives offer similar step-down (buck) capabilities but may differ in specifications such as input voltage range, output current, and efficiency. Always check the datasheet to ensure compatibility with specific design requirements.
Features
1. Input Voltage Range: It operates over a wide input voltage range, typically from 4V to 28V.
2. Output Voltage: The device can provide adjustable output voltages as low as 1.25V.
3. Output Current: It is capable of delivering up to 3A of continuous output current.
4. Switching Frequency: The regulator features a fixed switching frequency of 500kHz, which helps minimize external component size and improve transient response.
5. Efficiency: It offers high efficiency across a wide load range, often exceeding 90%.
6. Protection Features: The LT1513CR includes features such as current limiting and thermal shutdown for protection under fault conditions.
7. Low Shutdown Current: It has a low shutdown current, reducing power consumption when the device is not in active operation.
8. Package: This component comes in a space-efficient package that facilitates heat dissipation and compact design integration.
These features make the LT1513CR suitable for various applications, including power management in portable devices and distributed power systems.
Pinout
Here's a brief overview of its pin functions:
1. VIN - Input voltage pin; supplies power to the device.
2. SW - Switch pin; connects to the inductor.
3. GND - Ground pin; reference point for all voltages.
4. VCC - Internal regulator output; provides bias for internal circuits.
5. SENSE - Current sense pin; used for current limit and regulation.
6. VFB - Feedback voltage pin; connected to the output voltage divider.
7. SHDN - Shutdown pin; used to enable or disable the device.
8. BAT - Battery pin; connects to the battery being charged.
9. PROG - Program pin; sets the charge current.
10. TIMER - Timer pin; sets the charge termination time.
11. CHRG - Charge status pin; indicates charging status.
12. VC - Compensation pin; for stability adjustment.
13. RIN - Reference input pin; for external reference.
14. RREF - Reference output pin; provides reference voltage.
15. TEMP - Temperature sense pin; monitors battery temperature.
16. SPARE - Spare pin; not used in standard configurations.
For exact specifications and detailed operation, refer to the official datasheet.