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TPS92201A

TPS92201 1.5-A High Efficiency Synchronous Buck LED Driver

1Features ?2.5-Vto5.5-Vinputvoltagerange ?1.5-Aconstantoutputcurrent ?Upto95efficiency ?0.1-μAshutdowncurrent ?220-mΩ(HS)/170-mΩ(LS)MOSFETs ?Upto100switchingdutycycle ?1.5-MHzswitchingfrequency ?ForcePWMmodeforlowoutputripple (TPS92201) ?Powersav

TPS92201A

TPS92201 1.5A High Efficiency Synchronous Buck LED Driver

1Features ?2.5Vto5.5Vinputvoltagerange ?1.5Aconstantoutputcurrent ?Upto95%efficiency ?0.1μAshutdowncurrent ?220mΩ(HS)/170mΩ(LS)MOSFETs ?Upto100%switchingdutycycle ?1.5MHzswitchingfrequency ?ForcePWMmodeforlowoutputripple (TPS92201) ?Power

TPS92201A

5-V, 1-A or 1.5-A high-efficiency synchronous buck LED driver with power-save mode; ? 2.5-V to 5.5-V input voltage range \n? 1.5-A constant output current\n? Up to 95% efficiency\n? 0.1-μA shutdown current\n? 220-mΩ (HS) / 170-mΩ (LS) MOSFETs\n? Up to 100% switching duty cycle\n? 1.5-MHz switching frequency\n? Force PWM mode for low output ripple (TPS92201)\n? Power save mode for high efficiency in light load (TPS92201A)\n? 0.6-V to VIN output voltage range\n? 100mV feedback regulation voltage\n? 1% to 100% analog dimming with high accuracy\n? 20-kHz to 200-kHz PWM input frequency\n? Internal soft startup\n? Full protection with over current, LED open/short, FB resistor open/short\n? Thermal shutdown protection\n? Available in WSON-6 package;

TPS92201 是一款具有 2.5V 至 5.5V 輸入范圍的 1.5A 高效同步降壓型 LED 驅(qū)動器。通過集成高側(cè)和低側(cè) MOSFET，可以實現(xiàn)高效率和緊湊的解決方案尺寸。超低 1μA 關(guān)斷電流，有助于在電池供電型應(yīng)用中節(jié)省電量。\n\nTPS92201 采用峰值電流控制方案，具有自適應(yīng)關(guān)斷時間。為了獲得超小的輸出紋波，此器件通常在整個電流范圍內(nèi)以 1.5MHz 脈寬調(diào)制 (PWM) 模式運行。\n\nTPS92201A 采用峰值電流控制方案，具有自適應(yīng)關(guān)斷時間。在中等負載至重負載條件下，該器件在脈寬調(diào)制 (PWM) 模式下以 1.5MHz 開關(guān)頻率運行。在輕負載條件下，該器件自動進入脈沖頻率調(diào)制 (PFM) 模式，從而在整個負載電流范圍內(nèi)保持高效率。\n\n集成式開關(guān)能夠提供高達 1.5A 的恒定電流。通過在 1% 至 100% 的范圍內(nèi)調(diào)整 PWM 輸入占空比，可實現(xiàn)模擬調(diào)光。為避免可聞噪聲，支持 20kHz 至 200kHz 的輸入 PWM 頻率。\n\n在安全和保護方面，TPS92201 器件可實現(xiàn)全面保護，包括 LED 開路、LED 短路、FB 電阻器開路、FB 電阻器短路和熱關(guān)斷。

TPS92201ADRL

TPS92201 1.5-A High Efficiency Synchronous Buck LED Driver

1Features ?2.5-Vto5.5-Vinputvoltagerange ?1.5-Aconstantoutputcurrent ?Upto95efficiency ?0.1-μAshutdowncurrent ?220-mΩ(HS)/170-mΩ(LS)MOSFETs ?Upto100switchingdutycycle ?1.5-MHzswitchingfrequency ?ForcePWMmodeforlowoutputripple (TPS92201) ?Powersav

TPS92201ADRL

TPS92201 1.5A High Efficiency Synchronous Buck LED Driver

1Features ?2.5Vto5.5Vinputvoltagerange ?1.5Aconstantoutputcurrent ?Upto95%efficiency ?0.1μAshutdowncurrent ?220mΩ(HS)/170mΩ(LS)MOSFETs ?Upto100%switchingdutycycle ?1.5MHzswitchingfrequency ?ForcePWMmodeforlowoutputripple (TPS92201) ?Power

TPS92201ADRLR

Marking：3GDH；Package：SOT-5X3；TPS92201 1.5A High Efficiency Synchronous Buck LED Driver

1Features ?2.5Vto5.5Vinputvoltagerange ?1.5Aconstantoutputcurrent ?Upto95%efficiency ?0.1μAshutdowncurrent ?220mΩ(HS)/170mΩ(LS)MOSFETs ?Upto100%switchingdutycycle ?1.5MHzswitchingfrequency ?ForcePWMmodeforlowoutputripple (TPS92201) ?Power

TPS92201ADRV

TPS92201 1.5-A High Efficiency Synchronous Buck LED Driver

1Features ?2.5-Vto5.5-Vinputvoltagerange ?1.5-Aconstantoutputcurrent ?Upto95efficiency ?0.1-μAshutdowncurrent ?220-mΩ(HS)/170-mΩ(LS)MOSFETs ?Upto100switchingdutycycle ?1.5-MHzswitchingfrequency ?ForcePWMmodeforlowoutputripple (TPS92201) ?Powersav

TPS92201ADRV

TPS92201 1.5A High Efficiency Synchronous Buck LED Driver

1Features ?2.5Vto5.5Vinputvoltagerange ?1.5Aconstantoutputcurrent ?Upto95%efficiency ?0.1μAshutdowncurrent ?220mΩ(HS)/170mΩ(LS)MOSFETs ?Upto100%switchingdutycycle ?1.5MHzswitchingfrequency ?ForcePWMmodeforlowoutputripple (TPS92201) ?Power

TPS92201ADRVR

Marking：34MH；Package：WSON；TPS92201 1.5-A High Efficiency Synchronous Buck LED Driver

1Features ?2.5-Vto5.5-Vinputvoltagerange ?1.5-Aconstantoutputcurrent ?Upto95efficiency ?0.1-μAshutdowncurrent ?220-mΩ(HS)/170-mΩ(LS)MOSFETs ?Upto100switchingdutycycle ?1.5-MHzswitchingfrequency ?ForcePWMmodeforlowoutputripple (TPS92201) ?Powersav

TPS92201ADRVR

Marking：34MH；Package：WSON；TPS92201 1.5A High Efficiency Synchronous Buck LED Driver

1Features ?2.5Vto5.5Vinputvoltagerange ?1.5Aconstantoutputcurrent ?Upto95%efficiency ?0.1μAshutdowncurrent ?220mΩ(HS)/170mΩ(LS)MOSFETs ?Upto100%switchingdutycycle ?1.5MHzswitchingfrequency ?ForcePWMmodeforlowoutputripple (TPS92201) ?Power