LW020 datasheet(3/16 Pages) GE

Part #	LW020

Description	LW020 Single-Output-Series Power Modules 36 Vdc to 75 Vdc inputs 20W

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Manufacturer	GE [General Semiconductor]

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Lineage Power

3

Data Sheet

April 2008

36 Vdc to 75 Vdc Inputs; 20 W

LW020 Single-Output-Series Power Modules:

Electrical Specifications (continued)

Table 2. Output Specifications

Parameter

Device

Symbol

Min

Typ

Max

Unit

Output Voltage Set Point

(VI = 48 V; IO = IO, max; TC = 25 °C)

LW020G

LW020F

LW020A

LW020B

LW020C

VO, set

2.46

3.25

4.92

11.81

14.76

2.5

3.3

5.0

12.0

15.0

2.54

3.35

5.08

12.19

15.24

Vdc

Output Voltage

(Over all line, load, and temperature

conditions until end of life; see Figure 13.)

LW020G

LW020F

LW020A

LW020B

LW020C

VO

2.4

3.20

4.85

11.64

14.55

—

2.6

3.40

5.15

12.36

15.45

Vdc

Output Regulation:

Line (VI = 36 V to 75 V)

Load (IO = IO, min to IO, max)

Temperature (TC = –40 °C to +100 °C)

All

—

0.01

0.05

0.5

0.1

0.2

1.0

%VO

Output Ripple and Noise Voltage

(See Figure 12.):

RMS

Peak-to-peak (5 Hz to 20 MHz)

LW020A, F,

G

LW020B, C

LW020A, F,

G

LW020B, C

—

20

50

20

50

100

150

mVrms

mVp-p

Output Current

(At IO < IO, min, the modules may exceed

output ripple specifications.)

LW020A, F,

G

LW020B

LW020C

IO

0.4

0.17

0.13

—

4.0

1.67

1.33

A

Output Current-limit Inception

(VO = 90% x VO, set; see Figure 2.)

All

IO

103

—

150

%IO, max

Output Short-circuit Current

(VO = 250 mV)

LW020C

LW020B

LW020A, F,

G

IO

—

150

250

220

200

%IO, max

Efficiency

(VI, nom; IO = IO, max; TC = 25 °C; see Figures

3—7 and 13.)

LW020G

LW020F

LW020A

LW020B

LW020C

η

71

74

77

82

75

77

81

85

—

%

Switching Frequency

All

—

256

—

kHz

Dynamic Response

(ýIO/ýt = 1 A/10 µs, VI = VI, nom, TA = 25 °C):

Load Change from IO = 50% to 75% of

IO, max:

Peak Deviation

Settling Time (VO < 10% peak

deviation)

Load Change from IO = 50% to 25% of

IO, max:

Peak Deviation

Settling Time (VO < 10% peak

deviation)

All

—

2

1.0

2

1.0

—

%VO, set

ms

%VO, set

ms

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