PKF4000 datasheet(11/24 Pages) ERICSSON

Part #	PKF4000

Description	3-7 W DC/DC Power Modules 48 V Input Series

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Manufacturer	ERICSSON [Ericsson]

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EN/LZT 146 33 R1A (Replaces EN/LZT 137 09 R7) © Ericsson Microelectronics AB, June 2000

PKF 4622

TP = – 30 …+ 85°C, VI = 38 ... 72 V and pin 8 connected to pin 9 unless otherwise specified.

IO1nom = 0.6 A, IO2nom = 0.6 A.

1) See Operating Information.

2) See Typical Characteristics.

3) Ilim on each output is set by the total load.

4) Output voltage on Output 2 is negative (–5V).

0

0.6

1.0

0

0.6

1.0

A

Characteristics

Conditions

Output 1

Output 24)

min

typ

max

min

typ

max

Unit

Output voltage initial

setting and accuracy

VOi

Output voltage

tolerance band2)

VO

Idling voltage

IO = 0 A

Load regulation

IO1 = 0.1…1.0 × IO1nom, IO2 = IO2nom,

VI = 53 V

ttr

Load transient voltage

Vtr

Temperature coefficient2)

Tcoeff

Ramp-up time

tr

Start-up time

ts

Output current

IO

Max total output power2)

POmax

Current limiting

threshold

3)

Ilim

TP <TP max, VO = 4 V

Short circuit current

Isc

VO = 0.2 …0.5 V, TA = +25°C

20 Hz …5 MHz

Line regulation

IO = IOnom

Load transient

recovery time

5.02

5.05

5.08

5.054)

V

5.4

6.0

5.4

6.0

V

mV

70

270

70

270

mV

+100

mV

–100

mV

IO = IO nom, TP = +40…+90 ºC

–2

mV/°C

11

ms

33

ms

2.4

A

50

100

50

100

mVp-p

80

dB

mV

190

ms

0.6…50 MHz

Output

VI = 38…60 V

VI = 50…72 V

10

Output adjust range1)

4.30

5.80

4.30

5.80

V

4.85

5.25

4.80

5.30

V

VO ac

Output ripple & noise

IO = IOnom

f = 100 Hz sine wave, 1 Vp-p, VI = 53 V

(SVR = 20 log (1 Vp-p/VOp-p))

IO = IO nom, 0.1 …0.9 × VO VI = 53 V

1.9

A

IO1 = 0.1…1.0 × IO1nom,

load step = 0.15A, IO2 = IO2nom,

VI = 53 V

Supply voltage rejection (ac)

SVR

IO = 0.1…1.0 × IO nom, VI = 53 V

From VI connection to VO = 0.9 × VOi

45

dB

TP = +25°C, IO1=IO2 = 0.3 A, VI = 53 V

W

6

1.2

1.6

Characteristics

Conditions

Unit

min

typ

max

Pd

Power dissipation

Miscellaneous

%

Efficiency

h

IO = IOnom

79

83

VI = 53 V

VI = 67 V

VI = 53 V

VI = 67 V

79

83

1.2

1.6

W

Calculated value

Long term drift

included

IO = 0.1 …1.0 × IOmax

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