OM9551SP, OM9552SP, OM9553SP, OM9554SP

Rev A

08/01/2000

205 Crawford Street

• Leominster MA 01453 • Phone: 978 534 5776 • Fax: 978 537 4246 • www.omnirel.com

2

PERFORMANCE CHARACTERISTICS (Ta= 25

°°°°C)

INPUT

Parameter

Symbol

Test Conditions

MIN

MAX

Units

Line Regulation

Rline

4.5V

≤≤≤≤ Vin ≤≤≤≤5.5V

-0.5

+0.5

%

Input Voltage

Range

Vin

4.5

7.0

V

Input Filtering1

22

uF

OUTPUT

Parameter

Symbol

Test Conditions

MIN

TYP

MAX

Units

Power

Po

Vo= 3.3V

10

W

Vout Accuracy

∆∆∆∆Vo

Vo= 3.3V, +2.5V,

+1.5V+1.8V

0.8

1.0

%

Vout Regulation

Vreg

Vin= 5V, 0.1

≤ Iο≤3A

0.3

0.1

%

Output Ripple

V

ηηηη

Vin= 5V, Io= 3.0A

80

100

mV(p-p)

Current Limiting

Ilim

Vin= 5V

4.0

A

Efficiency

ηηηη

Vin=5V,Io=3A,Vo=+3.3V

88

%

Efficiency

ηηηη

Vin=5V,Io=3A,Vo=+2.5V

87

%

Efficiency

ηηηη

Vin=5V,Io=3A,Vo=+1.8V

86

%

Efficiency

ηηηη

Vin=5V,Io=3A,Vo=+1.5V

85

%

Min. Load Current Il(min)

0.1

A

Output Filter

Co

All Models

330

uF

DYNAMIC

Parameter

Test Conditions

MIN

TYP

MAX

Units

Transient

Response

50% load step

∆∆∆∆Vout

40

200

µµµµS

mV

Frequency

0 to 85

°°°°C

175

200

225

KHz

ENVIRONMENTAL

Parameter

MODEL

MIN

MAX

Units

Operating

Temperature

OM9551SP,

OM9552SP,

OM9553SP,

OM9554SP

-25

85

°°°°C

Storage Temp.

-40

125

°°°°C

Flammability

UL94V0