DLV-3.3 데이터 시트보기 (PDF) - DATEL Data Acquisition products

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DLV-3.3

Dual Output Mixed Voltage, DLV Models

DATEL Data Acquisition products  

13A/37W, DUAL OUTPUT, MIXED-VOLTAGE DC/DC CONVERTERS

DLV Models

1

+INPUT

2

–INPUT

3

SYNC *

4 ON/OFF

CONTROL

5 RTRIM UP

+3.3V TRIM *

6

+3.3V OUTPUT

OUTPUT 7

RETURN

8

+2.5V OUTPUT

9

+2.5V TRIM

RTRIM UP

+3.3V

LOAD

+2.5V

LOAD

* OPTIONAL PIN

Figure 4. Trim Connections To Increase Output Voltages Using Fixed Resistors

3.3 Volt Trim Up

LN RTUP (kΩ) =

5.88

VO – 3.3

–25.5

2.5 Volt Trim Up

LN RTUP (kΩ) =

2.84

VO – 2.5

–17.4

1.8 Volt Trim Up

LN RTUP (kΩ) =

1.49

VO – 1.8

–14.17

Note: Resistor values are in kΩ. Accuracy

of adjustment is subject to

tolerances of resistors and fac-

tory-adjusted output accuracy.

VO = desired output voltage.

TYPICAL PERFORMANCE CURVES

DLV-3.3/6-2.5/7-D48TN Efficiency vs. Load and VIN

89

DLV-3.3/6-2.5/7-D48TN Efficiency vs. Line and Load

90

88

87

86

85

84

IO = 4A/4A

83

IO = 5A/5A

82

IO = 6A/6A

IO = 7A/6A

81

86

82

78

VIN = 36V

VIN = 48V

74

VIN = 75V

70

66

80

62

36 39 42 45 48 51 54 57 60 63 66 69 72 75

0.60

1.68

2.76

3.84

4.92

6

VIN (Volts)

Load Current (Amps)

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