ST1PS01FJR ST 电源管理IC | 8-覆晶（1.11x1.41） | 3MHz, 400mA

Product Overview

The ST1PS01FJR is a high-efficiency step-down converter from STMicroelectronics, designed for space-constrained and battery-powered applications. Housed in a compact 8-覆晶 (Flip Chip) package measuring 1.11x1.41mm, it integrates a 3MHz fixed-frequency PWM controller with a 400mA output current capability. The device offers excellent transient response and low output ripple, making it ideal for powering sensitive loads in portable electronics, IoT devices, and industrial sensors.

Detailed Technical Specifications

Key Features

• High efficiency up to 95% across load range
• 3MHz fixed-frequency operation for small external components
• Low quiescent current of 25µA for extended battery life
• Internal soft-start and overcurrent protection
• Ultra-small 8-覆晶 package (1.11x1.41mm)
• Stable with low-ESR ceramic capacitors

Target Applications

• 5G base station remote radio units (RRU) – powering small signal processing ICs
• Automotive dashboard displays – supplying core voltage for infotainment processors
• Portable medical devices – glucose meters, pulse oximeters
• IoT wireless sensors – LoRa, Zigbee, BLE modules
• Wearable electronics – smartwatches, fitness trackers

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for ST1PS01FJR. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

ST1PS01FJR 是意法半导体推出的一款高效降压转换器，专为空间受限和电池供电应用设计。采用紧凑的 8-覆晶封装（1.11x1.41mm），集成了 3MHz 固定频率 PWM 控制器，输出电流能力为 400mA。该器件具有出色的瞬态响应和低输出纹波，非常适合为便携式电子设备、物联网设备和工业传感器中的敏感负载供电。

詳細技術參數

核心特性

• 全负载范围内效率高达 95%
• 3MHz 固定频率工作，支持小型外部元件
• 25µA 低静态电流，延长电池寿命
• 内部软启动和过流保护
• 超小型 8-覆晶封装（1.11x1.41mm）
• 与低 ESR 陶瓷电容稳定工作

典型應用場景

• 5G 基站远程射频单元（RRU）——为小型信号处理 IC 供电
• 汽车仪表盘显示器——为信息娱乐处理器提供核心电压
• 便携式医疗设备——血糖仪、脉搏血氧仪
• 物联网无线传感器——LoRa、Zigbee、BLE 模块
• 可穿戴电子设备——智能手表、健身追踪器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 ST1PS01FJR 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]