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Национальный исследовательский университет «МИЭТ»

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Электротехника

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LMZM23600

www.ti.com

SNVSB53B –FEBRUARY 2018–REVISED MAY 2019

9.2.3 Application Curves

Unless otherwise stated, the following conditions apply: VIN = 24 V, TA = 25°C.

9.2.3.1 VOUT = 5 V
	100
	90
	80
	70
(%)	60
Efficiency	50			VIN =		6.5V PFM
				VIN =		6.5V PFM
	40			VIN =		6.5V FPWM
	40			VIN =		12 V PFM


	30			VIN =		12 V FPWM
	20			VIN =		24 V PFM
	20			VIN =		24 V FPWM
				VIN =		24 V FPWM
	10			VIN =		36 V PFM
	10			VIN =		36 V FPWM
				VIN =		36 V FPWM
	0
	0.0001	0.001	0.01	0.1 0.2	0.5	1	2 3	5 710
			Output Current (A)					D002
								D002

MODE = Low for Auto PFM Mode 5-V Adjustable Output MODE = High for FPWM Mode

Figure 39. Efficiency

VOUT Ripple

(5 mV/DIV)

Time (1 µs/DIV) 20MHz BW

5-V Adjustable Output								IOUT = 0.5 A
		Figure 41. Output Ripple 20 MHz BW
	5.1
	5.05
(V)	5
Voltage	4.95							VIN = 5 V PFM
Output								VIN = 5 V FPWM
								VIN = 5 V FPWM
	4.9							VIN = 12 V PFM
	4.9							VIN = 12 V FPWM
								VIN = 12 V FPWM
								VIN = 24 V PFM
	4.85							VIN = 24 V FPWM
								VIN = 36 V PFM
								VIN = 36 V FPWM
	4.8
	0	0.05	0.1	0.15	0.2	0.25	0.3	0.35	0.4	0.45	0.5
					Output Current (A)						D008
											D008

Figure 43. Line and Load Regulation

IOUT

(200 mA/DIV)

VOUT

(20 mV/DIV)

Time (500 µs/DIV)

5-V Adjustable Output	MODE = High
10% to 100% Load Step

Figure 40. Load Transient

VOUT Ripple

(20 mV/DIV)

Time (1 µs/DIV) 250MHz BW

5-V Adjustable Output IOUT = 0.5 A

Figure 42. Output Ripple 250-MHz BW

(2 V/DIV)

VOUT

(2 V/DIV)

IOUT

(200 MA/DIV)

PGOOD
(2 V/DIV)	TIME (2 MS/DIV)

Figure 44. Start-up With 24-V Input

Submit Documentation Feedback

Product Folder Links: LMZM23600

LMZM23600
SNVSB53B –FEBRUARY 2018–REVISED MAY 2019
9.2.3.2 VOUT = 3.3 V
	100
	90
	80
	70
(%)	60
Efficiency	50			VIN =		6.5V PFM
				VIN =		6.5V PFM
	40			VIN =		6.5V FPWM
	40			VIN =		12 V PFM


	30			VIN =		12 V FPWM
	20			VIN =		24 V PFM
	20			VIN =		24 V FPWM
				VIN =		24 V FPWM
	10			VIN =		36 V PFM
	10			VIN =		36 V FPWM
				VIN =		36 V FPWM
	0
	0.0001	0.001	0.01	0.1 0.2	0.5	1	2 3	5 710
			Output Current (A)					D003
								D003

MODE = High for FPWM Mode 3.3-V Adjustable Output MODE = Low for Auto PFM Mode

Figure 45. Efficiency

VOUT Ripple

(5 mV/DIV)

Time (1 µs/DIV) 20MHz BW

3.3-V Adjustable Output										IOUT = 0.5 A
			Figure 47. Output Ripple 20-MHz BW
	3.36
	3.34
(V)	3.32
(V)	3.3
Voltage	3.3
	3.28
	3.28									VIN = 5 V PFM
Output	3.26									VIN = 5 V FPWM
										VIN = 5 V FPWM
										VIN = 12 V PFM


	3.24									VIN = 12 V FPWM
										VIN = 24 V PFM



										VIN = 24 V FPWM
	3.22									VIN = 36 V PFM
	3.22									VIN = 36 V PFM
										VIN = 36 V FPWM
	3.2
	3.2
	0	0.05		0.1	0.15	0.2	0.25	0.3	0.35		0.4	0.45	0.5
						Output Current (A)							D009
													D009
MODE = High for FPWM Mode									3.3-V Adjustable Output
MODE = Low for Auto PFM Mode

Figure 49. Line and Load Regulation

www.ti.com

IOUT

(200 mA/DIV)

VOUT

(20 mV/DIV)

Time (500 µs/DIV)

3.3-V Adjustable Output	MODE = High
10% to 100% Load Step

Figure 46. Load Transient

VOUT Ripple (20 mV/DIV)

Time (1 µs/DIV) 250MHz BW

3.3-V Adjustable Output IOUT = 0.5 A

Figure 48. Output Ripple 250 MHz BW

(2 V/DIV)

VOUT

(2 V/DIV)

IOUT

(200 MA/DIV)

PGOOD
(2 V/DIV)	TIME (2 MS/DIV)
	TIME (2 MS/DIV)

3.3-V Adjustable Output Toggle Enable

Figure 50. Start-up With 24-V Input

Submit Documentation Feedback

Product Folder Links: LMZM23600

www.ti.com
9.2.3.3 VOUT = 12 V
	100
	90
	80
	70
(%)	60
Efficiency	50			VIN = 15V PFM
				VIN = 15V PFM
	40			VIN = 15V FPWM
	40			VIN = 18 V PFM


	30			VIN = 18 V FPWM
	20			VIN = 24 V PFM
	20			VIN = 24 V FPWM
				VIN = 24 V FPWM
	10			VIN = 36 V PFM
	10			VIN = 36 V FPWM
				VIN = 36 V FPWM
	0
	0.0001	0.001	0.01	0.1 0.2	0.5	1	2 3	5	710
			Output Current (A)						D004
									D004

MODE = High for FPWM Mode 12-V Adjustable Output MODE = Low for Auto PFM Mode

Figure 51. Efficiency

VOUT Ripple

(5 mV/DIV)

Time (1 µs/DIV) 20MHz BW

12-V Adjustable Output								IOUT = 0.5 A
		Figure 53. Output Ripple 20-MHz BW
	12.2
	12.15
	12.1
(V)	12.05
(V)	12
Voltage	12
Voltage	11.95							VIN = 5 V PFM
	11.95
Output	11.9							VIN = 5 V FPWM
Output

	11.85							VIN = 12 V PFM
	11.8							VIN = 12 V FPWM
	11.8							VIN = 24 V PFM
								VIN = 24 V PFM
	11.75							VIN = 24 V FPWM
	11.7							VIN = 36 V PFM
	11.7							VIN = 36 V FPWM
								VIN = 36 V FPWM
	11.65
	0	0.05	0.1	0.15	0.2	0.25	0.3	0.35	0.4	0.45	0.5
					Output Current (A)						D010
											D010
MODE = High for FPWM Mode								12-V Adjustable Output

MODE = Low for Auto PFM Mode

Figure 55. Line and Load Regulation

LMZM23600

SNVSB53B –FEBRUARY 2018–REVISED MAY 2019

IOUT

(200 mA/DIV)

VOUT

(50 mV/DIV)

Time (500 µs/DIV)

12-V Adjustable Output	MODE = High
10% to 100% Load Step

Figure 52. Load Transient

VOUT Ripple

(20 mV/DIV)

Time (1 µs/DIV) 250MHz BW

12-V Adjustable Output IOUT = 0.5 A

Figure 54. Output Ripple 250-MHz BW

(2 V/DIV)

VOUT

(5 V/DIV)

IOUT

(200 MA/DIV)

PGOOD
(2 V/DIV)	TIME (2 MS/DIV)

12-V Adjustable Output Toggle Enable

Figure 56. Start-up With 24-V Input

Submit Documentation Feedback

Product Folder Links: LMZM23600

LMZM23600
SNVSB53B –FEBRUARY 2018–REVISED MAY 2019
9.2.3.4 VOUT = 15 V
	100
	90
	80
	70
(%)	60
Efficiency	50			VIN = 18V PFM
				VIN = 18V PFM
	40			VIN = 18V FPWM
	40			VIN = 22 V PFM


	30			VIN = 22 V FPWM
	20			VIN = 24 V PFM
	20			VIN = 24 V FPWM
				VIN = 24 V FPWM
	10			VIN = 36 V PFM
	10			VIN = 36 V FPWM
				VIN = 36 V FPWM
	0
	0.0001	0.001	0.01	0.1 0.2	0.5	1	2 3	5 710
			Output Current (A)					D006
								D006

MODE = High for FPWM Mode 15-V Adjustable Output MODE = Low for Auto PFM Mode

Figure 57. Efficiency

VOUT Ripple

(5 mV/DIV)

Time (1 µs/DIV) 20MHz BW

15-V Adjustable Output										IOUT = 0.5 A
			Figure 59. Output Ripple 20-MHz BW
	15.3
	15.2
(V)	15.1
(V)	15
Voltage	15
	14.9
										VIN = 5 V PFM

Output	14.8									VIN = 5 V FPWM
										VIN = 5 V FPWM
										VIN = 12 V PFM


	14.7									VIN = 12 V FPWM
										VIN = 24 V PFM



										VIN = 24 V FPWM
	14.6									VIN = 36 V PFM
	14.6									VIN = 36 V PFM
										VIN = 36 V FPWM
	14.5
	14.5
	0	0.05		0.1	0.15	0.2	0.25	0.3	0.35		0.4	0.45	0.5
						Output Current (A)							D011
													D011
MODE = High for FPWM Mode									15-V Adjustable Output
MODE = Low for Auto PFM Mode

Figure 61. Line and Load Regulation

www.ti.com

IOUT

(200 mA/DIV)

VOUT

(50 mV/DIV)

Time (500 µs/DIV)

15-V Adjustable Output	MODE = High
10% to 100% Load Step

Figure 58. Load Transient

VOUT Ripple

(20 mV/DIV)

Time (1 µs/DIV) 250MHz BW

15-V Adjustable Output IOUT = 0.5 A

Figure 60. Output Ripple 250-MHz BW

(2 V/DIV)

VOUT

(10 V/DIV)

IOUT

(200 MA/DIV)

PGOOD
(2 V/DIV)	TIME (2 MS/DIV)

15-V Adjustable Output Toggle Enable

Figure 62. Start-up with 24-V Input

Submit Documentation Feedback

Product Folder Links: LMZM23600

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9.2.3 Application Curves

9.2.3.1 VOUT = 5 V

9.2.3.2 VOUT = 3.3 V

9.2.3.3 VOUT = 12 V

9.2.3.4 VOUT = 15 V