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REVISION: V11

CFB800 Series

TECHNICAL SPECIFICATIONS

(All specifications are typical at nominal input, full load at 25℃ unless otherwise noted.)

ABSOLUTE MAXIMUM RATINGS

PARAMETER

NOTES and CONDITIONS

Device

Min.

Typ.

Max.

Units

Input Voltage

Continuous

All

-0.3

36

Vdc

Input Surge Voltage

100ms max.

All

50

Vdc

Operating Case Temperature

At the center part of base plate

All

-40

100

℃

Storage Temperature

All

-55

105

℃

INPUT

CHARACTERISTICS

PARAMETER

NOTES and CONDITIONS

Device

Min.

Typ.

Max.

Units

Operating Input Voltage

All

18

24

36

Vdc

Input Under Voltage Lockout

Turn-On Voltage Threshold

All

16.5

17.0

17.5

Vdc

Turn-Off Voltage Threshold

All

15.5

16.0

16.5

Vdc

Lockout Hysteresis Voltage

All

1.0

Vdc

Maximum Input Current

Vin=18V, Full load

All

49

A

No-Load Input Current

Vin=24V, Io=0A

See Model Number Table

mA

Input Filter

Pi filter

All

Inrush Current (I2t)

As per ETS300 132-2

All

1.0

A2s

Input Reflected Ripple Current

P-P Thru 12uH Inductor, 5Hz to 20MHz

All

90

mA

OUTPUT

CHARACTERISTICS

PARAMETER

NOTES and CONDITIONS

Device

Min.

Typ.

Max.

Units

Voltage Set Point Accuracy

Vin=24V, Full load, Tc=25℃

All

-1.0

+1.0

%

Output Voltage Regulation

Load Regulation

Full Load to no load

All

±0.5

%

Line Regulation

Vin=High line to low line, full load

All

±0.2

%

Temperature Coefficient

Tc=-40℃ to 100℃

All

±0.02

%/℃

Output Voltage Ripple and Noise (5Hz to 20MHz Bandwidth)

Peak-to-Peak

Full Load, 10uF Tantalum capacitor and 1uF

ceramic capacitors

28Vo

280

mV

56Vo

560

RMS.

28Vo

100

mV

56Vo

200

Output Current Range

Vin= 18 to 36V

See Model Number Table

A

Over Current Protection

Continuous current. Auto recovery

All

105

110

120

%

Short Circuit Protection

All

Continuous, Auto Recovery

External Load Capacitance

Full load (resistive)

See Model Number Table

uF

Output Voltage Trim Range

Po≦max. rated power, Io≦Io_max.

All

-40

+10

%

Output Voltage Remote Sense

Range

Po≦max. rated power, Io≦Io_max.

% of nominal Vo

All

+10

%

Over Voltage Protection

Limited voltage, % of nominal Vo

All

115

125

140

%

Auxiliary Output Voltage

All

7

10

13

V

Auxiliary Output Current

All

20

mA

Power Good Signal (IOG)

Vout ready: low level, sink current

All

20

mA

Vout not ready: open drain output, applied

voltage

All

50

V

Load Share Accuracy (50%-100% load)

All

-5

+5

%

EFFICIENCY

PARAMETER

NOTES and CONDITIONS

Device

Min.

Typ.

Max.

Units

100% Load

Vin=24V

See Model Number Table

%