特性
- High performance LDO with 150mA continuous output
- Excellent transient response to large current steps
- Excellent load regulation: <0.1% voltage change across full range of load current
- High PSRR: 65dB @ 1kHz
- Wide input voltage capability: 2.3V to 6.5V
- Very low quiescent current: 46µA
- Low dropout voltage: typically 200mV @ 150mA
- Low output noise: typically 45µVRMS @ 100µA (1.5V)
- Stable with 1µF to 4.7µF ceramic capacitors
- Shutdown pin turns off LDO with 1µA (max) standby current
- Soft-start limits input current surge during enable
- Current limit and overheat protection
- ±1.8% accuracy over all operating conditions
- 5 Ld SC-70 package or 6 Ld µTDFN package
- -40°C to +85°C operating temperature range
- Pb-free (RoHS compliant)
ISL9008A Functional Diagram
描述
ISL9008A is a high performance single low noise, high PSRR LDO that delivers a continuous 150mA of load current. It has a low standby current and is stable with 1µF of MLCC output capacitance with an ESR of up to 200mΩ. The ISL9008A has a high PSRR of 65dB and output noise less than 45µVRMS. When coupled with a no load quiescent current of 46µA (typical), and 0. 5µA shutdown current, the ISL9008A is an ideal choice for portable wireless equipment. The ISL9008A comes in several fixed voltage options with ±1. 8% output voltage accuracy over-temperature, line and load. Other output voltage options may be available upon request.
产品参数
| 属性 | 值 |
|---|---|
| Input Voltage (Min) (V) | 2.3 |
| Input Voltage (Max) (V) | 6.5 |
| Output Voltage (Min) (V) | 1.5 |
| Output Voltage (Max) (V) | 3.3 |
| Output Current 1 (Max) (A) | 0.15 |
| Drop Out Voltage (Typical) | 200 @150mA |
| Fixed Output Voltage Option | Yes |
| PSRR (db) | 65 |
| Quiescent Current | 45 µA |
| Noise (10Hz to 100kHz) (μVrms) | 45 |
| Qualification Level | Standard |
封装选项
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| SC70 | 2.0 x 1.2 x 1.90 | 5 | 0.7 |
应用方框图
 | Arm Cortex-M85 MCU Feather 系统级模块 小型但强大的瑞萨 Cortex-M85 系统级模块，用于高效、适应性强的物联网和自动化解决方案。 |
 | 远程预测性维护系统 远程预测性维护系统通过 AI 驱动的洞察力和多种连接选项减少停机时间和成本。 |
 | 支持指纹识别的电子锁 |
 | 电力线语音通信 瑞萨电子的 PLC 调制解调器技术可通过低压电力线实现高效的语音传输。 |
 | 物联网远程传感系统 云连接设计具备强大的连接性，可简化物联网设备的安全链接和数据管理 |
其他应用
- PDAs, cell phones and smart phones
- Portable instruments, MP3 players
- Handheld devices including medical handhelds
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