XL6009 - 400kHz 60V 4A Boost/Buck-Boost/Inverting DC/DC Converter | XLSEMI
料号： XL6009 ✓ 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 |
XL6009 概述
What is a boost DC/DC converter? A boost (step-up) DC/DC converter is a switching power supply topology that raises a lower input voltage to a higher, regulated output voltage using an inductor, a power switch, a diode, and output capacitance. It sits within the SMPS (switched-mode power supply) family, alongside buck (step-down) and buck-boost (step-up/step-down) topologies, and belongs to the broader class of PMIC (power management IC) devices used whenever a system rail must be generated locally from a non-regulated source.
Key features include a 400kHz fixed switching frequency that allows the use of small external inductors and capacitors, 4A internal switch current capability, an internal 60V N-MOSFET, current-mode control for simple loop compensation, and thermal-shutdown protection. The XL6009's wide input range makes it popular for battery-powered, automotive, solar, and industrial applications where upstream rails vary substantially.
The XL6009's current-mode control provides cycle-by-cycle current limiting, inherent input-voltage feed-forward, and a simplified single-loop compensation strategy versus older voltage-mode designs. The high-side drive and 60V switch rating let the IC tolerate harsh load-dump transients seen in automotive systems without external protection components.
Typical applications include boost converters from 3-32V to 5-35V (the ubiquitous XL6009 module), buck-boost adapters for solar/battery systems, negative-voltage bias supplies for op-amps and LCDs, SEPIC converters for LED driver front-ends, and high-current point-of-load rails in industrial controls and hobby electronics.
When designing with this device, choose an inductor rated for at least 4A saturation current and COUT/RC filter sized for the actual switching frequency (400kHz). The feedback resistor divider must use 1% parts to maintain set-point accuracy, and the IC's exposed pad should be soldered to a copper pour for thermal dissipation at full load.
This page synthesizes distributor pricing, drop-in alternatives from the same TO263-5L family, and practical design notes not found on stock datasheet portals.
直接替换替代料： XL6009 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： XL6009 （相同外形与封装尺寸） ——差异在于 Input Voltage Range, Package, RoHS Status, Switching Frequency, Topology.
快速对比工具——选择替代料号进行并排对比：
XL6019
✅ 直接替换📋 参考替代料（不在目录中）
XL6009E1
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
XL4005
✅ 直接替换📋 参考替代料（不在目录中）
XL4015E1
✅ 直接替换✓ 有现货
$0.2 / 个
查看数据手册 →XL1509
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
XL6009 最大额定值与电气特性
| 拓扑 | Boost / Buck-Boost / Flyback / SEPIC / Inverting |
| 开关频率 | 400 kHz (fixed) |
| 输入电压范围 | 3 V to 32 V |
| Maximum Switch Voltage | 60 V |
| Internal Switch Current | 4 A |
| Internal MOSFET | N-channel built-in power MOSFET |
| Control Architecture | Current-mode fixed frequency |
| 输出电压 | Adjustable (up to 60 V) |
| Feedback Reference | 1.25 V (typical, per datasheet) |
| 工作温度 | -40C to +85C (industrial) |
| 效率 | Up to <94% (module-level) |
| 封装 | TO263-5L (DPAK-style, 5 leads + tab) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant (per module datasheets) |
XL6009 引脚配置
| 引脚 1 | EN/SHDN — Enable pin / shutdown control (per datasheet) |
| 引脚 2 | VIN — Input supply voltage (3V-32V) |
| 引脚 3 | GND — Ground reference |
| 引脚 4 | FB — Feedback (1.25V reference) |
| 引脚 5 | SW — Switch node - connects to inductor/diode |
典型应用
XL6009 适用于 6 应用s: Boost DC-DC Converter Modules (3-32V to 5-35V), Solar Battery Charging & Off-Grid Regulation, Industrial 24V to 48V / 24V to 60V Bus Converters, Negative-Voltage Supplies (Op-Amps, LCD Bias, CCD Cameras), Automotive 12V to Higher-Voltage Rails, Hobbyist / Maker Programmable Power Supplies.
Boost DC-DC Converter Modules (3-32V to 5-35V)
The XL6009 is the workhorse IC of the most popular hobby-grade boost converter module, accepting 3-32V input and producing an adjustable 5-35V output at up to 4A peak switch current. Its 400kHz frequency allows compact inductor and capacitor selection, and the TO263-5L package plus exposed thermal pad keep the IC cool under continuous loads. Designers benefit from the wide input range: a single board converts 1S/2S lithium battery packs, 12V automotive rails, and 24V industrial buses into the higher voltage required downstream. Modules sell for $1-3 fully assembled with the trim pot and feedback divider populated.
推荐
Solar Battery Charging & Off-Grid Regulation
The XL6009's 3V to 32V input range directly handles solar panel output across most light conditions, and its current-mode architecture tolerates the wide input swing of a PV array without losing regulation. In a SEPIC configuration, the IC maintains output regulation even when V_IN falls below V_OUT, a critical need for solar/battery hybrid systems operating through sunrise and sunset. The 4A peak switch current supports up to several hundred watts of solar input when MPPT is implemented upstream. Compared to alternates like MT3608, the XL6009 handles higher panel voltages without additional protection.
推荐
Industrial 24V to 48V / 24V to 60V Bus Converters
Industry often runs on 24V bus rails, but downstream subsystems need 36V, 48V, or 60V supplies for motors, displays, or amplifiers. The XL6009's 60V internal switch rating and 400kHz frequency make it a compact choice for these intermediate boost voltages. Designers size output capacitance for the higher voltage (typically 100V rated ceramics or electrolytics) and choose an inductor with at least 4A saturation. The exposed thermal pad of the TO263-5L package handles the continuous 4A load when soldered to a 1-square-inch copper pour.
推荐
Negative-Voltage Supplies (Op-Amps, LCD Bias, CCD Cameras)
Reconfigure the XL6009 as an inverting converter (per datasheet application circuit) to generate a negative output rail from a positive input. This is widely used to power op-amps requiring symmetric +/-12V rails, LCD negative bias voltages, and CCD or analog sensor negative rails. The same IC handles positive-boost or inverting topologies by relocating the inductor and sense-divider; the 60V switch withstands -V_OUT + V_IN stress seen in inverting configurations. The TO263-5L form factor keeps the inverting supply compact for board-level integration in instrumentation and audio products.
推荐
Automotive 12V to Higher-Voltage Rails
Although not AEC-Q100 qualified, the XL6009 is widely used in non-safety automotive applications: powering USB chargers from 12V vehicle rails, driving LED headlights requiring 24-36V boost, and stepping up accessory 12V for higher-voltage displays. Its 60V internal MOSFET tolerates load-dump transients (which can exceed 40V briefly), and the wide input range covers cold-crank drops down to 6V on a 12V battery. Designers typically add input TVS protection for harsh environments. The TO263-5L exposed pad provides robust thermal dissipation in cramped engine-bay enclosures.
推荐
Hobbyist / Maker Programmable Power Supplies
The XL6009 module's on-board multi-turn potentiometer makes it the de facto adjustable bench-supply component for hobbyists: dial any output from 5V to 35V from any 3-32V source, with up to 4A available at lower voltage settings. Combined with the on-board inductor and capacitors, the module is a complete CC/CV-capable supply when paired with an external op-amp controller. The TO263-5L IC itself ships cheaply enough for OEM integration into consumer pre-amplifiers, audio amplifiers, and bench tools where higher voltages are needed from a single low-voltage rail.
推荐
推荐产品汇总
工程参考数据： XL6009 ——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 | XL6019 | XL4005 | XL4015 |
|---|---|---|---|---|
| Package | TO263-5L | TO263-5L (same) | TO263-5L (same) | TO263-5L (same) |
| Brand | XLSEMI | XLSEMI | XLSEMI | XLSEMI |
| Switching Frequency | 400 kHz | 220 kHz | 150 kHz | 180 kHz |
| Input Voltage Range | 3 V to 32 V | 3 V to 32 V (same) | 3.6 V to 32 V | 8 V to 36 V |
| Max Switch Voltage | 60 V | 60 V (same) | 40 V | 40 V |
| Peak Switch Current | 4 A | 5 A | 5 A | 5 A continuous |
| Topology Support | Boost/Buck-Boost/Flyback/SEPIC/Inverting | Boost/Buck-Boost/Flyback/SEPIC/Inverting (same) | Boost/Buck/Inverting | Buck |
| Feedback Reference | 1.25 V | 1.25 V (same) | 1.25 V (same) | 1.25 V (same) |
关键差异点
- 60V switch rating vs 40V typical （对比 XL4005)
- Wide input range 3-32V vs MT3608 2-24V （对比 MT3608)
- Higher 400kHz frequency vs 220kHz XL6019 （对比 XL6019)
设计说明
Estimated: At VIN=12V, VOUT=24V, IOUT=1.5A (worst-case boost duty at high boost ratio), the XL6009 dissipates approximately 18W in the switch (12W input minus output, minus diode/conduction losses). The TO263-5L exposed pad has theta_JA of approximately 40-50 C/W on a 1-square-inch copper pour, leading to 700-900C junction temperature rise above ambient - clearly exceeding the 150C junction limit. Designers must reduce load, increase copper area, add forced-air cooling, or boost at lower duty cycles (closer VIN/VOUT ratios).
Place input ceramic capacitors (low-ESR 4.7uF X7R or higher) directly at the VIN pin with the shortest possible trace. Position the SW node inductor and freewheeling diode to keep the high-di/dt loop area to a minimum, since 4A peak at 400kHz creates fast edge rates that radiate EMI. Output capacitance should be sized for the actual ripple current - typically 100uF aluminum polymer or 22uF X7R ceramic for low-noise applications. Connect the exposed thermal pad to a continuous ground plane.
Do not exceed the 32V continuous input voltage on VIN during operation (60V is the absolute-max switch rating, not the input rating). Use 1% or better tolerance resistors in the FB divider, otherwise output voltage accuracy drops dramatically as the divider ratio shifts. Avoid inrush by soft-starting VIN via a controlled slew-rate supply - the TO263-5L exposed pad can crack if thermal-cycled too rapidly at full 4A load. When using the IC for inverting outputs, double-check diode reverse voltage rating against V_IN + |V_OUT|.
合规信息
RoHS compliance stated on module-level documentation; bare IC datasheet does not list separate AEC-Q100 status. Contact XLSEMI directly for CMRT/REACH filings.
