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dc2453afb

DEMO MANUAL DC2453A

Figure 2. Measured Supply Efficiency at 5V

IN

 and 12V

IN

Figure 3. Measured V

OUT1

 = 3.3V and V

OUT4

 = 1.2V Load Transient Responses (1.5A to 3A Load Step)

OUTPUT CURRENT (A)

0

0.5

1

1.5

2

2.5

3

65

70

75

80

85

90

95

100

EFFICIENCY (%)

dc2453a F02a

3.3V

OUT1

2.5V

OUT2

1.5V

OUT3

1.2V

OUT4

OUTPUT CURRENT (A)

0

0.5

1

1.5

2

2.5

3

65

70

75

80

85

90

95

100

EFFICIENCY (%)

dc2453a F02b

3.3V

OUT1

2.5V

OUT2

1.5V

OUT3

1.2V

OUT4

Quick start proceDure

V

IN

 (V)

V

OUT

 (V)

C

OUT

 CERAMIC

12

3.3

2 × 47μF/6.3V/Ceramic

V

IN

 (V)

V

OUT

 (V)

C

OUT

 CERAMIC

12

1.2

2 × 47μF/6.3V/Ceramic

V

OUT1

 

100mV/DIV

I

OUT1

_STEP 

1A/DIV

V

OUT1

 

100mV/DIV

I

OUT1

_STEP 

1A/DIV

Содержание DC2453A

Страница 1: ...LGA package requiring only a few input and output ca pacitors Output voltage tracking is available through the L LT LTC LTM Linear Technology the Linear logo and Module are registered trademarks of Li...

Страница 2: ...output voltage meters for each phase should display the programmed output voltage 2 5 Oncetheproperoutputvoltageisestablished adjustthe load currents for each phase within the 0A to 3A range and obser...

Страница 3: ...3 dc2453afb DEMO MANUAL DC2453A Figure 2 Test Setup of DC2453A Quick Start Procedure...

Страница 4: ...5 3 65 70 75 80 85 90 95 100 EFFICIENCY dc2453a F02a 3 3VOUT1 2 5VOUT2 1 5VOUT3 1 2VOUT4 OUTPUT CURRENT A 0 0 5 1 1 5 2 2 5 3 65 70 75 80 85 90 95 100 EFFICIENCY dc2453a F02b 3 3VOUT1 2 5VOUT2 1 5VOU...

Страница 5: ...5 dc2453afb DEMO MANUAL DC2453A Figure 4 Measured Thermal Capture with All Phases at Full Load 3A VIN V AIRFLOW AMBIENT C 5 Natural Convection 28 Quick Start Procedure...

Страница 6: ...0EA 13 1 U1 LTM4643EV BGA 15X9 5 01 LINEAR TECH CORP LTM4643EV PBF Additional Demo Board Circuit Components 1 2 C4 C5 CAP CER 22 F 25V X5R 20 1206 MURATA GRM31CR61E226ME15L 2 1 C2 CAP POSCAP 33 F 25V...

Страница 7: ...OGY PARTS SCALE NONE www linear com 1 LTM4643EV Wednesday July 29 2015 1 1 QUAD 3A STEP DOWN MODULE REGULATOR LT SAM Y N A DEMO CIRCUIT 2453A SIZE DATE IC NO REV SHEET OF TITLE APPROVALS PCB DES APP E...

Страница 8: ...TUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDE...

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