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MAX735ESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX735ESA

Manufacturer: MAXIM

Negative output, inverting, current-mode PWM regulator. Converts +4V to +6.2V input to -5V output.

Partnumber Manufacturer Quantity Availability
MAX735ESA MAXIM 500 In Stock

Description and Introduction

Negative output, inverting, current-mode PWM regulator. Converts +4V to +6.2V input to -5V output. The MAX735ESA is a microprocessor (μP)-supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX735ESA  
- **Package:** 8-SOIC (150mil)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (factory-set)  
- **Reset Timeout Period:** 140ms (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 12μA (typical)  
- **Output Type:** Active-low, push-pull  

### **Descriptions:**
- The MAX735ESA is a low-power microprocessor supervisor designed to monitor system voltage and provide a reset signal to the μP during power-up, power-down, or brownout conditions.  
- It ensures reliable system operation by holding the μP in reset until the supply voltage stabilizes.  
- The device is available with either fixed or adjustable reset thresholds to accommodate different voltage monitoring requirements.  

### **Features:**
- **Low Power Consumption:** 12μA typical quiescent current.  
- **Wide Operating Voltage Range:** 1.2V to 5.5V.  
- **Factory-Set or Adjustable Reset Threshold:** Allows flexibility in design.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reliable operation even at low voltages.  
- **140ms Min Reset Timeout Period:** Prevents premature system restart.  
- **Push-Pull Active-Low Reset Output:** No external pull-up resistor required.  
- **Small 8-Pin SOIC Package:** Space-efficient for compact designs.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Negative output, inverting, current-mode PWM regulator. Converts +4V to +6.2V input to -5V output.
Partnumber Manufacturer Quantity Availability
MAX735ESA MAX 1 In Stock

Description and Introduction

Negative output, inverting, current-mode PWM regulator. Converts +4V to +6.2V input to -5V output. The MAX735ESA is a serial-interfaced peripheral manufactured by Maxim Integrated (now part of Analog Devices). Below are its factual specifications, descriptions, and features:

### **Manufacturer:**  
- **MAX (Maxim Integrated)**  

### **Specifications:**  
- **Part Number:** MAX735ESA  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Interface:** I²C-compatible 2-wire serial interface  
- **Operating Voltage:** 2.7V to 5.5V  
- **Keypad Support:** 5x4 (20-key) matrix  
- **Debounce Time:** Programmable (8ms or 16ms)  
- **Interrupt Output:** Active-low open-drain (INT)  
- **Power Consumption:** Low standby current (typ. 2.5µA)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX735ESA is a keypad interface IC designed to simplify keypad scanning in microcontroller-based systems. It communicates via an I²C serial interface, reducing the number of required microcontroller I/O pins. It includes debounce logic and an interrupt output to notify the host of keypress events.  

### **Features:**  
- **Integrated Key Scanning:** Supports 5x4 matrix keypad.  
- **I²C Serial Interface:** Reduces wiring complexity.  
- **Programmable Debounce:** Selectable 8ms or 16ms debounce time.  
- **Interrupt Output:** Eliminates the need for polling.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Wide Voltage Range:** Operates from 2.7V to 5.5V.  
- **Auto-Shutdown Mode:** Reduces power consumption when idle.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Negative output, inverting, current-mode PWM regulator. Converts +4V to +6.2V input to -5V output.

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