---
title: "Voltage Regulator IC"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:VOLTAGE_REGULATOR_IC"
  data_integrity_hash: "091fdd3a80ca51804608b254a7b69b53"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:VOLTAGE_REGULATOR_IC"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/voltage-regulator-ic.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/voltage-regulator-ic"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "1.8-40 V input, 0.8-37 V output, -40 to 125 °C junction temperature"
    unit: "V"
engineering_limits:
  max_safe_operating_point:
    value: 45
    unit: "V"
    consequence: "Thermal runaway due to semiconductor junction breakdown at 150 °C, dielectric breakdown in pass transistors at 45 V"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Input voltage transient exceeding 45 V absolute maximum rating"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated transient voltage suppression diode with 5 ns response time and 600 W peak pulse power rating"
  - node_2:
      trigger: "Load current exceeding 1.5 A continuous rating for 100 ms duration"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Foldback current limiting circuit with 1.2 A threshold and 100 mA foldback current"
bom_nodes:
  error-amplifier:
    type: "component"
    urn: "URN:CNFX:ME:ERROR_AMPLIFIER"
    interface_type: "physical-logic-coupled"
  pass-element:
    type: "part"
    urn: "URN:CNFX:ME:PASS_ELEMENT"
    interface_type: "physical-logic-coupled"
  voltage-reference:
    type: "component"
    urn: "URN:CNFX:ME:VOLTAGE_REFERENCE"
    interface_type: "physical-logic-coupled"
  feedback-network:
    type: "component"
    urn: "URN:CNFX:ME:FEEDBACK_NETWORK"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 (QUALITY MANAGEMENT SYSTEMS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/voltage-regulator-ic.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "9cefb1e6c62e22e5f417c7cb106be2042af0100c4e3b4406cdff66bb13b92428"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Voltage Regulator IC

## 1. Technical Definition
An integrated circuit designed to maintain a constant output voltage level regardless of variations in input voltage or load conditions.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **1.8-40 V input, 0.8-37 V output, -40 to 125 °C junction temperature**. Failure boundary: **Absolute maximum rating: 45 V input voltage, 150 °C junction temperature, 1.5 A continuous current**, Mechanism: **Thermal runaway due to semiconductor junction breakdown at 150 °C, dielectric breakdown in pass transistors at 45 V**.

### 2.1 Analytical Physics Model
Governed by the **Joule Heating & Thermal Resistance**:

> **Primary Equation**: $P = I^2 R = \frac{V^2}{R}$  
> **Engineering Impact**: Governs heating element sizing for shrink tunnels/sealers.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| I | Current | Engineering Constant |
| R | Resistance | Engineering Constant |
| V | Voltage | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Input voltage transient exceeding 45 V absolute maximum rating | 8 | Gate oxide breakdown in MOSFET pass element causing permanent short circuit | Integrated transient voltage suppression diode with 5 ns response time and 600 W peak pulse power rating |
| Load current exceeding 1.5 A continuous rating for 100 ms duration | 8 | Thermal shutdown activation at 165 °C followed by latch-up condition | Foldback current limiting circuit with 1.2 A threshold and 100 mA foldback current |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | V | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Pass Element](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/pass-element.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Wafer Fabrication Equipment**, **Wire Bonding Machine**, **Test Handler**  
**Downstream Applications**: Motherboards, Power Supply Units, Automotive Control Modules  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What is the primary function of a voltage regulator IC in electronic devices?
**A**: A voltage regulator IC maintains a constant, stable output voltage regardless of input voltage variations or changes in load conditions, ensuring reliable operation of sensitive electronic components.

### Q: How does the feedback network in a voltage regulator IC work?
**A**: The feedback network continuously monitors the output voltage and compares it to a precise voltage reference. Any deviation triggers the error amplifier to adjust the pass element, correcting the output to maintain the desired voltage level.

### Q: Why are voltage regulator ICs essential in computer and optical product manufacturing?
**A**: These ICs provide clean, stable power to processors, memory chips, sensors, and optical components, preventing malfunctions, data corruption, and performance degradation caused by voltage fluctuations in computing and optical systems.

## 6. Manufacturing Compliance
- ISO 9001:2015 (QUALITY MANAGEMENT SYSTEMS)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Voltage Regulator IC](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/voltage-regulator-ic)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: VOLTAGE_REGULATOR_IC | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: e6da3eda
