MIC4469ZWM

Product Overview

• Category: Integrated Circuit
• Use: Power MOSFET Driver
• Characteristics: High-Speed, Low-Side, Non-Inverting
• Package: SOIC-8
• Essence: Efficiently drives power MOSFETs in various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 4.5V to 18V
• Output Current: 1.2A (peak)
• Input Threshold Voltage: 1.3V (typical)
• Propagation Delay: 35ns (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4469ZWM has a standard SOIC-8 pin configuration:

```

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| | | 1 2 | | | | 3 4 | | | | 5 6 | | | | 7 8 | |___________| ```

1. VDD: Supply Voltage
2. IN: Input Control Signal
3. LO: Low-Side Output
4. LO: Low-Side Output
5. GND: Ground
6. GND: Ground
7. HO: High-Side Output
8. HO: High-Side Output

Functional Features

• High-speed switching capability
• Non-inverting driver
• Low-side driver with internal bootstrap diode
• TTL/CMOS compatible input
• Under-voltage lockout protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• Fast switching speed improves overall system efficiency
• Non-inverting driver simplifies circuit design
• Internal bootstrap diode reduces external component count
• Compatible with a wide range of input signal levels
• Protection features enhance reliability

Disadvantages

• Limited output current compared to some other drivers
• Requires an external bootstrap capacitor for proper operation

Working Principles

The MIC4469ZWM is designed to efficiently drive power MOSFETs in various applications. It operates by receiving an input control signal (IN) and generating complementary output signals (LO and HO) to drive the low-side and high-side of the MOSFET, respectively. The non-inverting nature of the driver simplifies the circuit design.

The internal bootstrap diode allows the low-side driver to operate at a voltage higher than the supply voltage, enabling efficient switching of the MOSFET. Under-voltage lockout and thermal shutdown protection features ensure safe operation under abnormal conditions.

Application Field Plans

The MIC4469ZWM is suitable for a wide range of applications, including:

1. Motor control systems
2. Switching power supplies
3. DC-DC converters
4. LED lighting systems
5. Automotive electronics
6. Industrial automation

Alternative Models

Here are some alternative models that can be considered as replacements for the MIC4469ZWM:

1. IR2104S: High and Low Side Driver IC
2. TC4420CPA: Dual MOSFET Driver
3. MAX4420ESA+: High-Speed MOSFET Driver
4. FAN7388MX: Half-Bridge Gate Driver
5. HIP4081AIBZT: H-Bridge FET Driver

These alternative models offer similar functionality and can be used as drop-in replacements depending on specific requirements.

In conclusion, the MIC4469ZWM is a high-speed, low-side, non-inverting power MOSFET driver. Its efficient operation, protection features, and compatibility with various applications make it a versatile choice for driving power MOSFETs.