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ZHCSHQ4E February 2018 – November 2020 LMR33620

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)

RNX|12
DDA|8

散熱焊盤機械數據 (封裝 | 引腳)

RNX|12
- QFND597B
DDA|8
- PPTD058J

訂購信息

9.2.3 Application Curves

Unless otherwise specified the following conditions apply: V_IN = 12 V, T_A = 25°C. The circuit is shown in Figure 9-31, with the appropriate BOM from Table 9-3 or Table 9-4.

V_OUT = 5 V

400 kHz

DDA Package

Figure 9-7 Efficiency

V_OUT = 5 V

1.4 MHz

DDA Package

Figure 9-9 Efficiency

V_OUT = 5 V

2.1 MHz

DDA Package

Figure 9-11 Efficiency

V_OUT = 5 V

400 kHz

RNX Package

Figure 9-13 Efficiency

V_OUT = 5 V

1.4 MHz

RNX Package

Figure 9-15 Efficiency

V_OUT = 5 V

2.1 MHz

RNX Package

Figure 9-17 Efficiency

V_OUT = 5 V

Figure 9-19 Line and Load Regulation

V_OUT = 5 V

?_SW = 400 kHz

Figure 9-21 Mode Change Thresholds

V_IN = 12 V		V_OUT = 5 V
t_f = t_r = 2 μs	I_OUT = 0 A to 2 A

Figure 9-23 Load Transient

V_OUT = 3.3 V

Figure 9-25 Line and Load Regulation

V_OUT = 3.3 V

?_SW = 400 kHz

Figure 9-27 Mode Change Thresholds

V_IN = 12 V		V_OUT = 3.3 V
t_f = t_r = 2 μs	I_OUT = 0 A to 2 A

Figure 9-29 Load Transient

V_OUT = 3.3 V

400 kHz

DDA Package

Figure 9-8 Efficiency

V_OUT = 3.3 V

1.4 MHz

DDA Package

Figure 9-10 Efficiency

V_OUT = 3.3 V

2.1 MHz

DDA Package

Figure 9-12 Efficiency

V_OUT = 3.3 V

400 kHz

RNX Package

Figure 9-14 Efficiency

V_OUT = 3.3 V

1.4 MHz

RNX Package

Figure 9-16 Efficiency

V_OUT = 3.3 V

2.1 MHz

RNX Package

Figure 9-18 Efficiency

V_OUT = 5 V

R_FBT = 1 MΩ

I_OUT = 0 A

Figure 9-20 Input Supply Current

V_OUT = 5 V

?_SW = 400 kHz

Figure 9-22 Switching Frequency versus Output Current

V_IN = 12 V		V_OUT = 5 V
t_f = t_r = 2 μs	I_OUT = 1 A to 2 A

Figure 9-24 Load Transient

V_OUT = 3.3 V

I_OUT = 0 A

R_FBT = 1 MΩ

Figure 9-26 Input Supply Current

V_OUT = 3.3 V

?_SW = 400 kHz

Figure 9-28 Switching Frequency versus Output Current

V_IN = 12 V	V_OUT = 3.3 V	I_OUT = 1 A to 2 A
t_f = t_r = 2 μs

Figure 9-30 Load Transient

Figure 9-31 Circuit for Application Curves

Table 9-3 BOM for Typical Application Curves DDA Package

V_OUT⁽¹⁾	FREQUENCY	R_FBB	C_OUT	C_IN + C_HF	L	U1
3.3 V	400 kHz	43.3 kΩ	4 × 22 μF	1 × 10 μF + 1 × 220 nF	6.8 μH, 14 mΩ	LMR33620ADDA
3.3 V	1400 KHz	43.3 kΩ	4 × 22 μF	1 × 10 μF + 1 × 220 nF	2.2 μH, 11.4 mΩ	LMR33620BDDA
3.3 V	2100 kHz	43.3 kΩ	4 × 22 μF	1 × 10 μF + 1 × 220 nF	1.2 μH, 16 mΩ	LMR33620CDDA
5 V	400 kHz	24.9 kΩ	4 × 22 μF	1 × 10 μF + 1 × 220 nF	8.2 μH, 14 mΩ	LMR33620ADDA
5 V	1400 KHz	24.9 kΩ	4 × 22 μF	1 × 10 μF + 1 × 220 nF	2.2 μH, 11.4 mΩ	LMR33620BDDA
5 V	2100 kHz	24.9 kΩ	4 × 22 μF	1 × 10 μF + 1 × 220 nF	1.5 μH, 8.2 mΩ	LMR33620CDDA

(1) The values in this table were selected to enhance certain performance criteria and may not represent typical values.

Table 9-4 BOM for Typical Application Curves RNX Package

V_OUT⁽¹⁾	FREQUENCY	R_FBB	C_OUT	C_IN + C_HF	L	U1
3.3 V	400 kHz	43.3 kΩ	4 × 22 μF	2 × 4.7 μF + 2 × 100 nF	4.7 μH, 28 mΩ	LMR33620ARNX
3.3 V	1400 KHz	43.3 kΩ	4 × 22 μF	2 × 4.7 μF + 2 × 100 nF	2.2 μH, 11.4 mΩ	LMR33620BRNX
3.3 V	2100 kHz	43.3 kΩ	4 × 22 μF	2 × 4.7 μF + 2 × 100 nF	2.2 μH, 11.4 mΩ	LMR33620CRNX
5 V	400 kHz	24.9 kΩ	4 × 22 μF	2 × 4.7 μF + 2 × 100 nF	6.8 μH, 14 mΩ	LMR33620ARNX
5 V	1400 KHz	24.9 kΩ	4 × 22 μF	2 × 4.7 μF + 2 × 100 nF	2.2 μH, 11.4 mΩ	LMR33620BRNX
5 V	2100 kHz	24.9 kΩ	4 × 22 μF	2 × 4.7 μF + 2 × 100 nF	2.2 μH, 11.4 mΩ	LMR33620CRNX

(1) The values in this table were selected to enhance certain performance criteria and may not represent typical values.