Datel 20A manual Trim-Up Resistance vs. Percentage Increase in Output Voltage

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2 0 A , S I N G L E O U T P U T D C / D C C O N V E R T E R S

USQ Models

Trim-Up Resistance vs. Percentage Increase in Output Voltage

1 x 106

1 x 105 RESISTANCE 1 x 104

1 x103

0

1

2

3

4

5

6

7

8

9

10

VOUT INCREASE (%)

Figure 7. USQ-1.2 Trim-Up Resistance vs. % Increase VOUT

1 x 107

1 x 106 RESISTANCE 1 x 105

1 x104

0

1

2

3

4

5

6

7

8

9

10

VOUT INCREASE (%)

Figure 9. USQ-1.8 Trim-Up Resistance vs. % Increase VOUT

1 x 107

1 x 106 RESISTANCE 1 x 105

1 x104

0

1

2

3

4

5

6

7

8

9

10

VOUT INCREASE (%)

Figure 11. USQ-3.3 Trim-Up Resistance vs. % Increase VOUT

 

1 x 107

 

1 x 106

RESISTANCE

1 x 105

 

 

1 x104

 

1 x103

0

1

2

3

4

5

6

 

7

8

 

9

10

 

 

 

 

 

 

VOUT INCREASE (%)

 

 

 

 

 

 

 

 

Figure 8. USQ-1.5 Trim-Up Resistance vs. % Increase VOUT

 

 

 

1 x 107

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 x 106

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESISTANCE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 x 105

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 x104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

1

2

3

4

5

6

7

8

9

10

 

 

 

 

 

VOUT INCREASE (%)

 

 

 

 

 

 

 

 

Figure 10. USQ-2.5 Trim-Up Resistance vs. % Increase VOUT

 

 

 

1 x 108

 

 

 

 

 

 

 

 

 

 

 

 

 

1 x 107

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESISTANCE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 x 106

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 x105

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

1

2

3

4

5

6

7

8

9

10

VOUT INCREASE (%)

Figure 12. USQ-5 Trim-Up Resistance vs. % Increase VOUT

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Contents  UL1950/EN60950 Basic insulation approvals Features Fully isolated, 1500Vdc guaranteed  Outstanding thermal-derating  Output current to 20 AmpsCase C33 Performance Specifications and Ordering GuidePerformance/Functional Specifications Input Overvoltage Shutdown Removal of Soldered USQs from PCBsInput Source Impedance Filtering, Input Ripple Current, and Output NoiseCurrent Limiting Input FusingStart-Up Time On/Off ControlUSQ-1.2/20-D48 Trim EquationsTrim-Up Resistance vs. Percentage Increase in Output Voltage USQ-12 Trim-Up Resistance vs. % Increase Vout Remote Sense Negative-Trim Units D SuffixModel Trim Up Floating OutputsLoad Step = 50 to 75% of Iout Max Peak Deviation, typ Dynamic Load Response and Switching FrequencySwitching Frequency min./typ./max. kHz Performance SpecificationsTypical Performance Curves for 1.2VOUT Models TBDTypical Performance Curves for 1.5VOUT Models Typical Performance Curves for 1.8VOUT Models Typical Performance Curves for 2.5VOUT Models Typical Performance Curves for 3.3VOUT Models Start-Up from VIN Typical Performance Curves for 5VOUT ModelsUSQ Models Typical Performance Curves for 12VOUT Models USQ-12/8.3-D24 Output Current vs. Ambient Temperature Typical Performance Curves for 15VOUT Models Typical Performance Curves for 24VOUT Models Datel GmbH München, Germany Tel Output TrimDatel S.A.R.L. Montigny Le Bretonneux, France Tel Mail datel.sarl@datel.com