نظرة عامة على المنتج
The RT6254AHGJ6F from Richtek Technology is a 4A, 4.5V to 18V, 500kHz ACOT synchronous step-down converter in a TSOT-23-6 (FC) package. It features Advanced Constant On-Time (ACOT) control for ultrafast transient response, integrated 48mOhm/25mOhm MOSFETs, and 115uA quiescent current.
المواصفات الرئيسية
| نطاق جهد الإدخال | 4.5V to 18V |
| Output Voltage Range | 0.6V to 5V (adjustable) |
| تيار الإخراج | 4A maximum |
| تردد التحويل | 500kHz |
| High-Side RDS(on) | 48mOhm typical |
| Low-Side RDS(on) | 25mOhm typical |
| تيار التهدئة | 115uA typical |
| الحد الحالي | 6.2A typical |
| بدء التشغيل الناعم | 1.5ms internal |
| درجة حرارة التشغيل | -40 to 85 C |
| الحزمة | TSOT-23-6 (FC) |
الميزات
- ACOT control architecture for ultrafast transient
- 4.5V to 18V wide input range
- 4A output current
- Integrated 48mOhm/25mOhm MOSFETs
- 500kHz nearly constant switching frequency
- 115uA quiescent current
- Power-save mode at light load
- Power good indicator
- Internal soft-start (1.5ms)
- Cycle-by-cycle current limit
- UVP, UVLO, and OTP protection
التطبيقات
- Set-top boxes
- Portable TV
- Access point routers
- DSL modems
- LCD TV power supplies