AM4TW-RVZ_13
AI

The **AM4TW-RVZ** series (specifically the **AM4TW-2405SRVZ** or similar variants) refers to a family of high-performance, isolated **DC/DC converters** manufactured by AIMTEC. These components are designed for industrial and telecommunications applications where compact size and high efficiency are critical.
---
### 1. General Specifications
These modules are known for their ultra-wide input ranges and regulated outputs.
| Feature | Typical Value |
| :--- | :--- |
| **Power Rating** | 4 Watts |
| **Input Voltage Range** | 4:1 Ultra-wide (e.g., 9-36VDC, 18-75VDC) |
| **Isolation Voltage** | 1500 VDC to 3000 VDC (model dependent) |
| **Package Style** | SIP8 (Single In-line Package) |
| **Efficiency** | Up to 85% |
| **Operating Temperature** | -40°C to +85°C |
---
### 2. Key Electronic Characteristics
#### A. Input Section
* **4:1 Wide Input:** This means the device can handle a broad swing of battery or power supply voltages (e.g., a 24V nominal system that fluctuates between 9V and 36V).
* **Input Filter:** Usually contains an internal capacitor filter to reduce reflected ripple current.
#### B. Output Section
* **Regulated Output:** Unlike unregulated converters, the "RVZ" series maintains a stable output voltage regardless of load changes or input fluctuations.
* **Protection:** Includes continuous Short Circuit Protection (SCP) with auto-recovery.
* **Low Ripple/Noise:** Generally rated around 50-75mV p-p, ensuring clean power for sensitive sensors or MCUs.
#### C. Isolation and Safety
* **Galvanic Isolation:** Physically separates the input and output circuits, preventing ground loops and protecting downstream components from high-voltage surges.
---
### 3. Pinout Configuration (Standard SIP8)
*Most AM4TW-RVZ models follow this standard layout:*
| Pin Number | Function | Description |
| :--- | :--- | :--- |
| 1 | -Vin | Negative Input Voltage |
| 2 | +Vin | Positive Input Voltage |
| 3 | Remote On/Off | Control pin to enable/disable the converter |
| 5 | NC | No Connection |
| 6 | +Vout | Positive Output Voltage |
| 7 | -Vout | Negative Output Voltage |
| 8 | CS | Case Connection (if applicable) |
---
### 4. Typical Applications
1. **Industrial Controls:** Powering PLCs or sensors from a noisy 24V factory rail.
2. **Telecommunications:** Converting 48V bus voltages down to 5V or 3.3V for logic circuits.
3. **Battery Powered Systems:** Maintaining steady voltage as a battery discharges over its full range.
---
- ⤷
What is the difference between the 2:1 and 4:1 input versions of this converter?
- ⤷ How do I implement the Remote On/Off function in a circuit?
- ⤷ What external capacitors are recommended for reducing output ripple further?