ADDC02812DA datasheet(3/20 Pages) AD

部件名	ADDC02812DA

功能描述	28 V/100 W DC/DC Converters with Integral EMI Filter

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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Case

Test

ADDC02812DA

ADDC02815DA

Parameter

Temp

Level Conditions

Min

Typ

Max

Min

Typ

Max

Units

DYNAMIC CHARACTERISTICS

6

Output Voltage Deviation Due to Step

+25

°CV

IO = ± 2.08 A to ± 4.17 A

0.850

V

Change in Load (12 V)

or

±4.17 A to ±2.08 A

Output Voltage Deviation Due to Step

+25

°CV

IO = ± 1.67 A to ± 3.34 A

0.850

V

Change in Load (15 V)

or

±3.34 A to ±1.67 A

Response Time Due to Step

+25

°CV

IO = ± 2.08 A to ± 4.17 A

150

µs

Change in Load (12 V)

or

±4.17 A to ±2.08 A

di/dt = 0.5 A/

µs, Measured

to Within 2% of Final Value

Response Time Due to Step Change

+25

°CV

IO = ± 1.67 A to ± 3.34 A or

150

µs

in Load (15 V)

±3.34 A to ±1.67 A,

di/dt = 0.5 A/

µs, Measured

to Within 2% of Final Value

Soft Start Turn-On Time (12 V)

+25

°CI

IO = ± 4.17 A, from Inhibit

6

15

ms

High to Status High

Soft Start Turn-On Time (15 V)

+25

°CI

IO = ± 3.34 A, from Inhibit

6

15

ms

High to Status High

THERMAL CHARACTERISTICS

Efficiency (12 V)

+25

°CI

IO = ± 2.5 A

81

85

%

+90

°CVI

IO = ± 2.5 A

81

%

–55

°CVI

IO = ± 2.5 A

80

%

+25

°CI

IO = ± 4.17 A

81

85

%

+90

°CVI

IO = ± 4.17 A

81

%

–55

°CVI

IO = ± 4.17 A

80

%

Efficiency (15 V)

+25

°CI

IO = ± 2.0 A

81

85

%

+90

°CVI

IO = ± 2.0 A

81

%

–55

°CVI

IO = ± 2.0 A

80

%

+25

°CI

IO = ± 3.34 A

81

85

%

+90

°CVI

IO = ± 3.34 A

81

%

–55

°CVI

IO = ± 3.34 A

80

%

Hottest Junction Temperature

7 (12 V)

+90

°CV

IO = ± 4.17 A

110

°C

Hottest Junction Temperature

7 (15 V)

+90

°CV

IO = ± 3.34 A

110

°C

CONTROL CHARACTERISTICS

Clock Frequency (12 V)

Full

VI

IO = ± 0.42 A

0.85

0.99

MHz

Clock Frequency (15 V)

Full

VI

IO = ± 0.34 A

0.85

0.99

MHz

Adjust (Pin 3) VADJ (12 V)

+25

°C I

4.7

4.8

4.9

V

Adjust (Pin 3) VADJ (15 V)

+25

°C I

5.9

6.0

6.1

V

Status (Pin 4)

VOH

+25

°CI

IOH = 400 µA

2.4

4.0

2.4

4.0

V

VOL

+25

°CI

IOL = 1 mA

0.15

0.7

0.15

0.7

V

VAUX (Pin 5)

VO (nom) (12 V)

+25

°CI

IAUX = 5 mA, Load

13.00

13.5

14.00

V

Current =

±4.17 A

VAUX (Pin 5)

VO (nom) (15 V)

+25

°CI

IAUX = 5 mA, Load

13.5

13.9

14.5

V

Current =

±3.34 A

Inhibit (Pin 6)

VIL

+25

°C I

0.5

V

IIL

+25

°CI

VIL = 0.5 V

1.2

mA

VI (Open Circuit)

+25

°C I

15

V

SYNC (Pin 7)

8

VIH

+25

°C I

4.0

V

IIH

+25

°CI

VIH = 7.0 V

175

µA

ISHARE (Pin 8) (12 V)

+25

°C I

Load Current =

±4.17 A

2.65

2.75

2.85

V

ISHARE (Pin 8) (15 V)

+25

°C I

Load Current =

±3.34 A

2.65

2.75

2.85

V

Temp (Pin 9)

+25

°C V

3.90

V

NOTES

1Military subgroups apply only to military qualified devices.

250 V dc upper limit rated for transient condition of up to 50 ms. 16 V dc lower limit rated for continuous operation during emergency condition. Steady state and abnormal

input voltage range require source impedance sufficient to insure input stability at low line. See sections entitled System Instability Considerations and Input Voltage Range.

3Measured at the remote sense points.

4Output characteristics tested with balanced loads on each output; however, unit operates with unbalanced loads up to 90%/10% split.

5Regulated output typically performs with less ripple than cross regulated output. 100% test is performed with VD+ regulated and VD– cross regulated.

6C

LOAD = 0.

7Refer to section entitled Thermal Characteristics for more information.

8Unit has internal pull-down; refer to section entitled Pin 7 (SYNC).

Specifications subject to change without notice.

REV. A

–3–

ADDC02812DA/ADDC02815DA

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