ST1PS01CJR ST DC-DC Converter | 8-覆晶（1.11x1.41） | 1.8V-5.5V Input, 400mA Output

Product Overview

The ST1PS01CJR is a high-efficiency step-down DC-DC converter from STMicroelectronics, designed for space-constrained and battery-powered applications. Housed in a compact 8-覆晶 (Flip Chip) package measuring 1.11x1.41 mm, it delivers up to 400 mA output current with an input voltage range of 1.8V to 5.5V. The device integrates synchronous rectification for high efficiency, typically above 90% across a wide load range, and features a low quiescent current of 15 µA, making it ideal for portable and IoT devices.

Detailed Technical Specifications

Key Features

• High efficiency: up to 95%
• Low quiescent current: 15 µA
• Small package: 8-覆晶 1.11x1.41 mm
• Adjustable output voltage from 0.8V to VIN
• 2.25 MHz fixed switching frequency
• Internal soft-start
• Overcurrent and thermal protection
• Enable pin for power sequencing

Target Applications

• 5G base station power management
• Automotive dashboard displays
• Portable medical devices (e.g., glucose meters)
• IoT sensors and wearables
• Battery-powered equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for ST1PS01CJR. 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

ST1PS01CJR 是意法半导体推出的一款高效降压DC-DC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，尺寸仅为1.11x1.41 mm，可提供高达400 mA的输出电流，输入电压范围为1.8V至5.5V。该器件集成了同步整流技术，在宽负载范围内效率通常超过90%，静态电流低至15 µA，非常适合便携式和物联网设备。

詳細技術參數

核心特性

• 高效率：高达95%
• 低静态电流：15 µA
• 小封装：8-覆晶 1.11x1.41 mm
• 可调输出电压：0.8V 至 VIN
• 固定开关频率：2.25 MHz
• 内部软启动
• 过流和热保护
• 使能引脚用于电源时序控制

典型應用場景

• 5G基站电源管理
• 汽车仪表盘显示屏
• 便携式医疗设备（如血糖仪）
• 物联网传感器和可穿戴设备
• 电池供电设备

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 ST1PS01CJR 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]