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ZHCSL19C May 2019 – June 2021 LM61440

PRODUCTION DATA

封裝選項(xiàng)

機(jī)械數(shù)據(jù) (封裝 | 引腳)

RJR|14
- MPQF507F

散熱焊盤機(jī)械數(shù)據(jù) (封裝 | 引腳)

訂購信息

9.2.3 Application Curves

Unless otherwise specified, the following conditions apply: V_IN = 13.5 V, T_A = 25°C. The circuit is shown in Figure 9-1, with the appropriate BOM from Table 9-5.

V_OUT = 3.3 V

F_SW = 2100 kHz

AUTO Mode

Figure 9-5 LM61440 Efficiency. Unless otherwise specified, the following conditions apply: V_IN = 13.5 V, T_A = 25°C. The circuit is shown in Figure 9-1, with the appropriate BOM from Table 9-5.

V_OUT = 5 V

F_SW = 2100 kHz

FPWM Mode

Figure 9-7 LM61440-Q1 Efficiency

V_OUT = 3.3 V

F_SW = 400 kHz

FPWM Mode

Figure 9-9 LM61440 Load and Line Regulation

V_OUT = 3.3 V

F_SW = 2100 kHz

FPWM Mode

Figure 9-11 LM61440 Load and Line Regulation

V_OUT = 5 V

F_SW = 400 kHz

FPWM Mode

Figure 9-13 LM61440 Load and Line Regulation

V_OUT = 5V

F_SW = 2100 kHz

FPWM Mode

Figure 9-15 LM61440 Load and Line Regulation

V_OUT = 3.3 V

F_SW = 2100 kHz

AUTO Mode

Figure 9-17 LM61440 Dropout Curve

V_OUT = 5 V

F_SW = 2100 kHz

AUTO Mode

Figure 9-19 LM61440 Dropout Curve

V_OUT = 3.3 V

F_SW = 2100 kHz

AUTO Mode

Figure 9-21 LM61440 Frequency Dropout Curve

V_OUT = 5 V

F_SW = 2100 kHz

AUTO Mode

Figure 9-23 LM61440 Frequency Dropout Curve

V_OUT = 5 V	F_SW = 2100 kHz	AUTO Mode
I_OUT = 4 A	V_IN = 13.5 V

Figure 9-25 LM61440 Switching Waveform and V_OUT Ripple

V_OUT = 5 V	F_SW = 2100 kHz	FPWM Mode
I_OUT = 2.5 A to Short Circuit		V_IN = 13.5 V

Figure 9-27 LM61440 Short Circuit Protection

V_OUT = 5 V	F_SW = 2100 kHz	FPWM Mode
I_OUT = Short Circuit		V_IN = 13.5 V

Figure 9-29 LM61440 Short Circuit Performance

V_OUT = 3.3 V	F_SW = 2100 kHz	AUTO Mode
I_OUT = 2 A to 4 A to 2 A	V_IN = 13.5 V	T_R = T_F = 2μs

Figure 9-31 LM61440 Load Transient

V_OUT = 5 V	F_SW = 400 kHz	I_OUT = 5 A*
Frequency Tested: 150 kHz to 30 MHz
*Tested on 6 A Variant

Figure 9-33 Conducted EMI versus CISPR25 Limits (Yellow: Peak Signal, Blue: Average Signal)





V_OUT = 5 V	F_SW = 400 kHz	I_OUT = 5 A
Frequency Tested: 150 kHz to 30 MHz

Figure 9-35 Radiated EMI Rod versus CISPR25 Limits

V_OUT = 5 V	F_SW = 400 kHz	I_OUT = 5 A
Frequency Tested: 30 MHz to 300 MHz

Figure 9-37 Radiated EMI Bicon Horizontal versus CISPR25 Limits

V_OUT = 5 V	F_SW = 400 kHz	I_OUT = 5 A
Frequency Tested: 300 MHz to 1 GHz

Figure 9-39 Radiated EMI Log Horizontal versus CISPR25 Limits

F_SW = 2100 kHz	V_OUT = 5 V	I_OUT = 5 A*
Frequency Tested: 150 kHz to 30 MHz
*Tested on 6 A Variant

Figure 9-41 Conducted EMI versus CISPR25 Limits (Yellow: Peak Signal, Blue: Average Signal)






Note: All EMI measurements taken with 6-A Variant
	F_SW = 2100 kHz

Figure 9-43 Recommended Input EMI Filter

V_OUT = 5 V

F_SW = 2100 kHz

AUTO Mode

Figure 9-6 LM61440 Efficiency

V_OUT = 3.3 V

F_SW = 400 kHz

Auto Mode

Figure 9-8 LM611440 Load and Line Regulation

V_OUT = 3.3 V

F_SW = 2100 kHz

Auto Mode

Figure 9-10 LM61440 Load and Line Regulation

V_OUT = 5V

F_SW = 400 kHz

Auto Mode

Figure 9-12 LM61440 Load and Line Regulation

V_OUT = 5V

F_SW = 2100 kHz

Auto Mode

Figure 9-14 LM61440 Load and Line Regulation

V_OUT = 3.3 V

F_SW = 400 kHz

AUTO Mode

Figure 9-16 LM61440 Dropout Curve

V_OUT = 5 V

F_SW = 400 kHz

AUTO Mode

Figure 9-18 LM61440 Dropout Curve

V_OUT = 3.3 V

F_SW = 400 kHz

AUTO Mode

Figure 9-20 LM61440 Frequency Dropout Curve

V_OUT = 5 V

F_SW = 400 kHz

AUTO Mode

Figure 9-22 LM61440 Frequency Dropout Curve

V_OUT = 5 V	F_SW = 2100 kHz	AUTO Mode
I_OUT = 100 mA	V_IN = 13.5 V

Figure 9-24 LM61440 Switching Waveform and V_OUT Ripple


V_OUT = 3.3 V	F_SW = 2100 kHz	FPWM Mode
I_OUT = 3.25 A	V_IN = 13.5 V

Figure 9-26 LM61440 Start-up with 3.25-A

V_OUT = 5 V	F_SW = 2100 kHz	FPWM Mode
I_OUT = Short Circuit to 2.5 A		V_IN = 13.5 V

Figure 9-28 LM61440 Short Circuit Recovery

V_OUT = 3.3 V	F_SW = 400 kHz	AUTO Mode
I_OUT = 2 A to 4 A to 2 A	V_IN = 13.5 V	T_R = T_F = 2μs

Figure 9-30 LM61440 Load Transient

V_OUT = 5 V	F_SW = 2100 kHz	AUTO Mode
I_OUT = 2 A to 4 A to 2 A	V_IN = 13.5 V	T_R = T_F = 2μs

Figure 9-32 LM61440 Load Transient

V_OUT = 5 V	F_SW = 400 kHz	I_OUT = 5 A
Frequency Tested: 30 MHz to 108 MHz

Figure 9-34 Conducted EMI versus CISPR25 Limits (Yellow: Peak Signal, Blue: Average Signal)

V_OUT = 5 V	F_SW = 400 kHz	I_OUT = 5 A
Frequency Tested: 30 MHz to 300 MHz

Figure 9-36 Radiated EMI Bicon Vertical versus CISPR25 Limits

V_OUT = 5 V	F_SW = 400 kHz	I_OUT = 5 A
Frequency Tested: 300 MHz to 1 GHz

Figure 9-38 Radiated EMI Log Vertical versus CISPR25 Limits








F_SW = 400 kHz	Note: Measurements taken with LM61460EVM with 6 A variant

Figure 9-40 Recommended Input EMI Filter

F_SW = 2100 kHz	V_OUT = 5 V	I_OUT = 5 A
Frequency Tested: 30 MHz to 108 MHz

Figure 9-42 Conducted EMI versus CISPR25 Limits (Yellow: Peak Signal, Blue: Average Signal)

Table 9-5 BOM for Typical Application Curves

V_OUT	FREQUENCY	R_FBB	R_T	C_OUT	C_IN + C_HF	L	C_FF
3.3 V	400 kHz	43.2 k?	33.2 k?	4 x 22 μF	2 x 4.7 μF + 2 x 100 nF	8.2 μH (XHMI6060)	22 pF
3.3 V	2100 kHz	43.2 k?	6.04 k?	3 x 22 μF	2 x 4.7 μF + 2 x 100 nF	1.5 μH (MAPI 4020HT)	22 pF
5 V	400 kHz	24.9 k?	33.2 k?	3 x 22 μF	2 x 4.7 μF + 2 x 100 nF	8.2 μH (XHMI6060)	22 pF
5 V	2100 kHz	24.9 k?	6.04 k?	2 x 22 μF	2 x 4.7 μF + 2 x 100 nF	1.5 μH (MAPI 4020HT)	22 pF