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ZHCSGO0A June 2017 – February 2024 TPS549B22

PRODUCTION DATA

封裝選項

請參考 PDF 數據表獲取器件具體的封裝圖。

機械數據 (封裝 | 引腳)

RVF|40

散熱焊盤機械數據 (封裝 | 引腳)

RVF|40
- QFND333E

訂購信息

5.6 Typical Characteristics

V_OUT = 1 V	V_DD = V_IN	SKIP Mode
f_SW = 650 kHz

Figure 5-1 Efficiency vs Output Current

V_OUT = 1 V	V_DD= V_IN	SKIP Mode
f_SW = 650 kHz

Figure 5-3 Converter Power Loss vs Output Current

V_DD = V_IN	f_SW = 650 kHz	SKIP Mode
V_OUT = 2.5 V	L= 820 nH, 0.9 mΩ

Figure 5-5 Efficiency vs Output Current

V_OUT = 1 V	V_DD = V_IN	FCCM Mode
f_SW = 650 kHz

Figure 5-2 Efficiency vs Output Current

V_OUT = 1 V	V_DD = V_IN	FCCM Mode
f_SW = 650 kHz

Figure 5-4 Output Voltage Regulation vs Output Current

V_DD = V_IN	f_SW = 650 kHz	SKIP Mode
V_OUT = 2.5 V	L= 820 nH, 0.9 mΩ

Figure 5-6 Output Voltage Regulation vs Output Current

V_DD = V_IN	f_SW = 650 kHz	FCCM Mode
V_OUT = 5 V	L= 820 nH, 0.9 mΩ

Figure 5-7 Efficiency vs Output Current

V_DD = V_IN = 12 V	f_SW = 650 kHz	I_OUT = 25 A
V_OUT = 1 V	Natural convection at room temperature

Figure 5-9 Thermal Image

V_DD = V_IN = 12 V	f_SW = 650 kHz	I_OUT = 25 A
V_OUT = 2.5 V	Natural convection at room temperature

Figure 5-11 Thermal Image

V_DD = V_IN	f_SW = 650 kHz	FCCM Mode
V_OUT = 5 V	L= 820 nH, 0.9 mΩ

Figure 5-8 Power Loss vs Output Current

V_DD = V_IN = 12 V	f_SW = 650 kHz	I_OUT = 25 A
V_OUT = 1 V	Natural convection at room temperature

Figure 5-10 Thermal Image

V_DD = V_IN = 12 V	f_SW = 650 kHz	I_OUT = 25 A
V_OUT = 5 V	Natural convection at room temperature

Figure 5-12 Thermal Image

Figure 5-13 PMBus 1-MHz Bus Speed with 1.8-V Pullup

1 – Operation only		4 – V_OUT Command up to 1.2 V
2 – Turnoff		5 – V_OUT Command down to 0.6 V
3 – Turnon without Margin		6 – Turnoff

Figure 5-15 6 Sequenced Events – I2C Write/Read

1 – Operation only				4 – 16 V_OUT Command up to 1.2 V,
2 – Turnoff				50 mV per step down to 0.6 V
3 – Turnon without Margin				17 – Turnoff

Figure 5-17 17 Sequenced Events – I2C Write

1 – Operation only			4 – 16 V_OUT Command up to 1.2 V,
2 – Turnoff			50 mV per step down to 0.6 V
3 – Turnon without Margin			17 – Turnoff

Figure 5-19 17 Sequenced Events – I2C Write/Read with PEC

1 – Operation only	4 – 16 V_OUT Command up to 1.2 V, 50 mV per step down to 0.6 V
2 – Turnoff	17 – 28 Vout Command from 0.6 V to 1.2 V, 50 mV per step
3 – Turnon without Margin	29 – Turnoff

Figure 5-21 29 Sequenced Events – I2C Write/Read

1 – Operation only		4 – V_OUT Command up to 1.2 V
2 – Turnoff		5 – V_OUT Command down to 0.6 V
3 – Turnon without Margin		6 – Turnoff

Figure 5-14 6 Sequenced Events – I2C Write

1 – Operation only		4 – V_OUT Command up to 1.2 V
2 – Turnoff		5 – V_OUT Command down to 0.6 V
3 – Turnon without Margin		6 – Turnoff

Figure 5-16 6 Sequenced Events – I2C Write/Read with PEC

1 – Operation only			4 – 16 V_OUT Command up to 1.2 V,
2 – Turnoff			50 mV per step down to 0.6 V
3 – Turnon without Margin			17 – Turnoff

Figure 5-18 17 Sequenced Events – I2C Write/Read

1 – Operation only			4 – 16 V_OUT Command up to 1.2 V,
2 – Turnoff			50 mV per step down to 0.6 V
3 – Turnon without Margin			17 – 28 V_OUT Command from 0.6 V to 1.2 V, 50 mV per step
			29 – Turnoff

Figure 5-20 29 Sequenced Events – I2C Write

1 – Operation only			4 – 16 Vout Command up to 1.2 V,
2 – Turnoff			50 mV per step down to 0.6 V
3 – Turnon without Margin			17 – 28 Vout Command from 0.6 V to 1.2 V, 50 mV per step
			29 – Turnoff

Figure 5-22 29 Sequenced Events – I2C Write/Read with PEC