特長
- 4.5V to 24V input supply range
- Up to 3A output current
- Integrated high-side (85mΩ) and low-side (45mΩ) MOSFETs
- 1.4MHz switching frequency
- 400μA quiescent current
- Minimum on-time of 66ns
- Minimum off-time of 250ns
- 0.6V reference voltage with 2% accuracy
- PFM mode under light-load condition
- Current mode Constant On-Time (COT) control with internal compensation
- Internal 1.2ms soft-start time
- Protection: Low-Side Overcurrent (LSOC) limit, input Undervoltage Lockout (UVLO), Over-Temperature Protection (OTP), Output Undervoltage Protection (OUVP) with Hiccup Mode
- Accurate EN threshold
- 6 LD TSOT23 package
説明
The RAA211233 is an integrated 24V, 3A, 1.4MHz synchronous buck regulator with current mode constant on-time (COT) control.
The RAA211233 features comprehensive protection including input undervoltage lockout (UVLO), overcurrent protection (OCP), output undervoltage protection (OUVP), and over-temperature protection (OTP). The device is available in a 6 Ld TSOT23 package.
The device is available in a 6 Ld TSOT23 package.
パラメータ
| 属性 | 値 |
|---|---|
| Topology [Rail 1] | Buck |
| Outputs (#) | 1 |
| Input Voltage (Min) [Rail 1] (V) | 4.5 |
| Input Voltage (Max) [Rail 1] | 24 |
| Output Voltage (Min) [Rail 1] (V) | 0.6 |
| Output Voltage (Max) [Rail 1] (V) | 11 |
| Output Current (Max) [Rail 1] (A) | 3 |
| Switching Frequency Range (Typical) (kHz) | 1380 - 1380 |
| Control Type | COT |
| Peak Efficiency (%) | 96 |
| IQ [Rail 1] (µA) | 400 |
| SYNCH Capability | No |
| Qualification Level | Standard |
| Temp. Range (°C) | -55 to +125°C |
パッケージオプション
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| TSOT | 2.9 x 1.6 x 0.87 | 6 | 1 |
製品比較
 | | |
| RAA211233 | RAA211230 | |
| Input Voltage (Min) (V) | 4.5 | 4.5 |
| Output Voltage (Max) (V) | 11 | 14 |
アプリケーション・ブロック図
 | Scalable Oven Platform Scalable oven platform enabling flexible HMI, connectivity, advanced cooking functions, and predictive maintenance across value to premium designs. |
 | ターンテーブルシステム このターンテーブルシステムは、正確なモータとオーディオ制御のための低消費電力MCUとRIAAプリアンプを備えています。 |
 | 小型BLDCモータサーボ BLDCモータサーボは、正確で効率的な統合制御により、最大75Wのモータを駆動します。 |
 | スマートソーラートラッキングおよびクリーニングシステム ソーラーパネルトラッカは、最適化された露出、自動クリーニング、クラウド接続により効率を向上させます。 |
その他アプリケーション
- General purpose
- Industrial power supplies
- Embedded systems and I/O supplies
- Sensor, imaging, and radar
- Instrumentation, medical, audio, and RF power supplies