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LW020G

Single-Output-Series Power Modules: 36 Vdc to 75 Vdc Inputs; 20 W

Tyco Electronics -> TE Connectivity 

Data Sheet

January 2000

LW020 Single-Output-Series Power Modules:

36 Vdc to 75 Vdc Inputs; 20 W

Electrical Specifications (continued)

Table 2. Output Specifications

Parameter

Output Voltage Set Point

(VI = 48 V; IO = IO, max; TC = 25 °C)

Output Voltage

(Over all line, load, and temperature

conditions until end of life; see Figure 13.)

Output Regulation:

Line (VI = 36 V to 75 V)

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

Temperature (TC = –40 °C to +100 °C)

Output Ripple and Noise Voltage

(See Figure 12.):

RMS

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

Output Current

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

output ripple specifications.)

Output Current-limit Inception

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

Output Short-circuit Current

(VO = 250 mV)

Efficiency

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

3—7 and 13.)

Switching Frequency

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)

Device

LW020G

LW020F

LW020A

LW020B

LW020C

LW020G

LW020F

LW020A

LW020B

LW020C

All

All

All

LW020A, F, G

LW020B, C

LW020A, F, G

LW020B, C

LW020A, F, G

LW020B

LW020C

All

LW020C

LW020B

LW020A, F, G

LW020G

LW020F

LW020A

LW020B

LW020C

All

All

All

All

All

Symbol

VO, set

VO, set

VO, set

VO, set

VO, set

VO

VO

VO

VO

VO

—

—

—

—

—

—

—

IO

IO

IO

IO

IO

IO

IO

η

η

η

η

η

—

—

—

—

—

Min

2.46

3.25

4.92

11.81

14.76

2.4

3.20

4.85

11.64

14.55

—

—

—

—

—

—

—

0.4

0.17

0.13

103

—

—

—

71

74

77

82

82

—

—

—

—

—

Typ

2.5

3.3

5.0

12.0

15.0

—

—

—

—

—

0.01

0.05

0.5

—

—

20

50

—

—

—

—

150

150

150

75

77

81

85

85

256

2

1.0

2

1.0

Max

2.54

3.35

5.08

12.19

15.24

2.6

3.40

5.15

12.36

15.45

0.1

0.2

1.0

Unit

Vdc

Vdc

Vdc

Vdc

Vdc

Vdc

Vdc

Vdc

Vdc

Vdc

%VO

%VO

%VO

20

50

100

150

4.0

1.67

1.33

150

mVrms

mVrms

mVp-p

mVp-p

A

A

A

%IO, max

250 %IO, max

220 %IO, max

200 %IO, max

—

%

—

%

—

%

—

%

—

%

—

kHz

—

%VO, set

—

ms

—

%VO, set

—

ms

Tyco Electonics Corp.

3

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