XC6206P302PR-G - 200mA 3V CMOS LDO Regulator | Torex | SOT-89
料号： XC6206P302PR-G ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0.42 | $0.42 |
| 10 | $0.36 | $3.60 |
| 100 | $0.28 | $28.00 |
| 500 | $0.22 | $110.00 |
| 1,000 | $0.18 | $180.00 |
| 3,000 | $0.15 | $450.00 |
XC6206P302PR-G 概述
An LDO (Low-Dropout) linear regulator is a type of voltage regulator that maintains a stable output voltage even when the input voltage is very close to the output voltage. The LDO belongs to the broader category of linear regulators (which contrasts with switching regulators/DC-DC converters), itself a sub-category of voltage regulators and a key building block in power management ICs. LDOs are favored where low noise, small solution size, and simplicity outweigh the efficiency penalty of burning VIN-VOUT differential as heat. The XC6206 family is positioned at the low-power end of that hierarchy, optimized for cell-powered designs where quiescent current and minimum external parts count dominate the trade-off.
Key features include ±2% output voltage accuracy, CMOS process technology, internal short-circuit current limiting, and compatibility with low-ESR ceramic output capacitors - eliminating the bulky tantalum or electrolytic capacitors required by older linear regulators. The SOT-89-3 footprint supports up to ~700 mW dissipation with proper PCB copper area, and the laser-trimmed reference ensures tight output tolerance over the full -40 °C to +85 °C operating range.
The XC6206 architecture uses a CMOS pass element and on-chip bandgap-style reference with laser trimming, yielding high ripple rejection and stable operation with only 1 µF ceramic output capacitance. This architecture prioritizes low IQ over very high PSRR, distinguishing it from higher-current LDOs that draw milliamp quiescent current.
Typical applications include portable electronics, microcontroller power rails, battery-powered IoT nodes, RFID tags, and wearable sensors. Any single-cell Li-ion or 2x AA system that requires a clean 3 V rail for a MCU or sensor is the sweet spot for this part.
When designing, calculate worst-case power dissipation as (VIN - VOUT) × IOUT. With VIN = 4.2 V (full Li-ion), VOUT = 3.0 V, and 200 mA load, dissipation is 240 mW - well within SOT-89 ratings with a small copper pour.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： XC6206P302PR-G ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
XC6206P302PR
✅ 直接替换📋 参考替代料（不在目录中）
XC6206P332PR-G
✅ 直接替换📋 参考替代料（不在目录中）
XC6206P282PR-G
✅ 直接替换📋 参考替代料（不在目录中）
XC6206P122PR-G
✅ 直接替换📋 参考替代料（不在目录中）
XC6206P302MR-G
✅ 直接替换📋 参考替代料（不在目录中）
XC6206P302PR
✅ 直接替换📋 参考替代料（不在目录中）
XC6206P302PR-G 最大额定值与电气特性
| 输出类型 | Fixed |
| 输出电压 | 3.0 V |
| Output Voltage Accuracy | ±2% |
| 最大输出电流 | 200 mA |
| 输入电压范围 | 1.8 V to 6.0 V |
| 压差电压 | 250 mV (typical at 200 mA) |
| 静态电流 | 1 µA (typical) |
| Output Capacitor | 1 µF ceramic, low-ESR compatible |
| 工作温度 | -40 °C to +85 °C |
| 封装 | SOT-89-3 |
| 安装类型 | Surface Mount |
| 引脚数 | 3 |
| 拓扑 | CMOS LDO |
| Protection Features | Internal short-circuit current limit |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
XC6206P302PR-G 引脚配置
| 引脚 1 | VIN — Input voltage supply (1.8 V to 6.0 V) |
| 引脚 2 | GND — Ground (metal tab internally connected to this pin) |
| 引脚 3 | VOUT — Regulated 3.0 V output |
典型应用
XC6206P302PR-G 适用于 7 应用s: Battery-Powered IoT Sensor Nodes, Wearable Health Monitor Power Rails, Microcontroller Power Supply Decoupling, RFID and NFC Tag Power Conditioning, Consumer Electronics Replacement Battery Boards, Industrial Sensor Signal Conditioning, Handheld Test and Measurement Devices.
Battery-Powered IoT Sensor Nodes
The XC6206P302PR-G fits IoT sensor nodes powered by 2x AA alkaline or single-cell Li-ion batteries because its 1 µA quiescent current minimizes standby drain when the MCU is in deep sleep, while the 200 mA output can supply active-mode MCU plus radio bursts. The 1.8 V minimum input handles end-of-life battery voltage, and the fixed 3.0 V output matches common MCU and sensor supply rails without external feedback components. Place the regulator between the battery and the MCU's VDD pin with a 1 µF ceramic bypass capacitor on the output.
推荐
Wearable Health Monitor Power Rails
Wearable health monitors such as heart-rate straps and fitness bands benefit from the XC6206P302PR-G's tiny SOT-89-3 footprint and 1 µA quiescent current, which extend coin-cell battery life by months. The 3.0 V output drives low-voltage MCUs and BLE radios directly from a single CR2032 cell (which ranges 3.2 V fresh down to 2.0 V exhausted), and the 250 mV dropout keeps regulation valid across most of the battery's discharge curve. Use a 1 µF X5R ceramic capacitor for stable operation across temperature swings.
推荐
Microcontroller Power Supply Decoupling
The XC6206P302PR-G serves as the primary 3.0 V rail for general-purpose microcontrollers (8-bit to 32-bit) on industrial control and consumer boards. Its 200 mA output current and ±2% voltage tolerance provide clean power for digital logic, and its low-ESR ceramic compatibility reduces BOM cost versus tantalum-based LDOs. Place the regulator near the MCU's VDD pin with short traces to minimize parasitic inductance, and use a 1 µF input capacitor plus 1 µF output capacitor for stable transient response under digital load steps.
推荐
RFID and NFC Tag Power Conditioning
The XC6206P302PR-G conditions harvested RF energy into a stable 3.0 V rail for RFID/NFC tag ICs and memory circuits. The 1 µA quiescent current is critical here because the tag spends most of its life in field-off standby, and any quiescent draw reduces the effective read range of the contactless interface. The SOT-89-3 small footprint fits inside the antenna loop area of credit-card-sized tags. Use the regulator between the rectenna output and the tag IC's VCC pin with 1 µF ceramic capacitors on both input and output.
推荐
Consumer Electronics Replacement Battery Boards
The XC6206P302PR-G is well-suited for replacement battery boards and power accessories in consumer electronics (remote controls, wireless mice, keyboards, small toys) where a 3.0 V rail is needed from 2x AA or AAA cells. Its low 1 µA quiescent current extends shelf life, and its small SOT-89-3 footprint fits inside cramped battery compartments. The 250 mV dropout keeps the rail in regulation down to ~3.25 V input, which is well above the end-of-life voltage of most alkaline batteries.
推荐
Industrial Sensor Signal Conditioning
Industrial 4-20 mA loop-powered sensors and field instruments use the XC6206P302PR-G to derive a clean 3.0 V rail for sensor signal conditioning and ADC reference circuits. The regulator's ±2% output accuracy and stable ceramic-cap operation maintain measurement precision across industrial temperature ranges (-40 °C to +85 °C). The wide 1.8 V to 6.0 V input range accommodates loop supplies from 12 V down-regulated or 5 V USB-powered bench setups. Use a 1 µF X7R output capacitor for best temperature stability.
推荐
Handheld Test and Measurement Devices
Handheld multimeters, portable oscilloscope probes, and battery-powered signal generators benefit from the XC6206P302PR-G's combination of low quiescent current and adequate 200 mA output. The 3.0 V rail powers MCU, display, and analog front-end from 2x AA or 9 V batteries via a small pre-regulator. The low-ESR ceramic compatibility reduces board space, and the SOT-89-3 footprint supports compact handheld form factors. Include reverse-polarity protection on the input for field-deployed equipment.
推荐
推荐产品汇总
工程参考数据： XC6206P302PR-G ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | XC6206P302PR | XC6206P332PR-G | XC6206P282PR-G | XC6206P302MR-G | XC6206P302PR (UMW) |
|---|---|---|---|---|---|---|
| Brand | Torex Semiconductor | Torex Semiconductor | Torex Semiconductor | Torex Semiconductor | Torex Semiconductor | UMW |
| Package | SOT-89-3 | SOT-89-3 (same) | SOT-89-3 (same) | SOT-89-3 (same) | SOT-89-3 (same) | SOT-89-3 (same) |
| Output Voltage | 3.0 V | 3.0 V | 3.3 V | 2.8 V | 3.0 V | 3.0 V |
| Maximum Output Current | 200 mA | 200 mA | 200 mA | 200 mA | 200 mA | 100 mA |
| Input Voltage Range | 1.8 V to 6.0 V | 1.8 V to 6.0 V | 1.8 V to 6.0 V | 1.8 V to 6.0 V | 1.8 V to 6.0 V | 1.8 V to 6.0 V |
| Quiescent Current | 1 µA | 1 µA | 1 µA | 1 µA | 1 µA | 1 µA |
| RoHS Compliance | Yes (-G suffix) | No (tin-lead) | Yes | Yes | Yes | Yes (ROHS3) |
关键差异点
- Ultra-low 1 µA quiescent current （对比 AMS1117)
- Low-ESR ceramic capacitor compatible （对比 AMS1117)
- Compact SOT-89-3 with integrated thermal tab （对比 AMS1117 (SOT-223))
- Wide XC6206 family voltage options （对比 XC6206P331MR-G (SOT-23-5))
设计说明
Estimated: At VIN = 4.2 V (full Li-ion), VOUT = 3.0 V, and IOUT = 200 mA, the XC6206P302PR-G dissipates (4.2 - 3.0) × 0.2 = 240 mW in the SOT-89-3 package. The SOT-89-3 with proper PCB copper pad (≥100 mm²) typically achieves theta_JA around 100-150 °C/W, keeping junction rise below 36 °C above ambient at 240 mW - well within the 125 °C absolute maximum. For higher VIN-VOUT differentials (e.g., VIN = 6.0 V), dissipation reaches 600 mW and thermal design becomes critical.
Place the 1 µF ceramic input capacitor as close as possible to the VIN pin, and the 1 µF ceramic output capacitor as close as possible to the VOUT pin with short, wide traces to minimize parasitic inductance. The metal tab on the SOT-89-3 package is internally tied to GND (Pin 2) and must be soldered to a copper pad on the PCB to achieve rated thermal performance. Use X5R or X7R dielectric ceramic capacitors to maintain capacitance across temperature.
Do not exceed the absolute maximum input voltage of 6.0 V (some XC6206 variants allow 6.5 V - check the specific datasheet). Avoid placing the regulator far from the load - long traces add parasitic inductance that destabilizes the regulation loop. The enable pin is internally pulled up; if reverse-battery protection is needed, add a series Schottky diode or P-MOSFET at the input. Do not use electrolytic or tantalum output capacitors unless ESR is within the stable operating range specified in the datasheet.
Route the input and output traces on opposite sides of the regulator body to minimize feedback loop area. For SOT-89-3, allocate at least 100 mm² of copper pad on Pin 2 (GND/tab) layer, including thermal vias to inner planes if available. Keep noisy digital ground currents away from the regulator's GND pin by using a star-ground topology, especially in mixed-signal designs where analog and digital grounds meet only at the regulator ground.
合规信息
RoHS compliant per Torex part suffix '-G'. The non-G variant (XC6206P302PR) uses tin-lead finish and is not RoHS compliant. Not AEC-Q100 qualified - not recommended for automotive safety applications without further qualification.
