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TL1205EIS

SIP/SIE 500 NON-ISOLATED SERIES

Power-One Inc. 

Powering Communications and Technology

SIP/SIE 500

NON-ISOLATED SERIES

DESCRIPTION

SIP/SIE non-isolated step-down DC/DC converters

deliver high efficiency and excellent transient response in

an industry standard SIP package. The SIP/SIE series

has output voltages ranging from 1.2 to 3.3V and up to 6

amps of output current. The SIE model has power OK

and remote sense pins for added flexibility and improved

point of load regulation. The SIP/SIE series is available

for vertical or horizontal mounting. The SIP/SIE series

use 100% surface-mount construction for maximum

reliability and feature over seven million hours MTBF.

TECHNICAL SPECIFICATIONS

Voltage Range

5 VDC Nominal

Input

4.5 - 5.5 VDC

Output

Setpoint Accuracy

Line Regulation Vin Min. - Vin Max., Iout Rated

Load Regulation Iout Min.- Iout Max., Vin Nom.

Ripple and Noise, DC - 20 MHz

Remote Sense Headroom

Current Limit Protection Type

Current Limit Threshold Range, % of Iout Rated

Short Circuit Protection Type

±1%

1% Vout

1% Vout

50 mV Pk-Pk

0.25 V

Hiccup

150%

Latching

Power Good Signal (SIE model only);

Asserts “High” When Vout is Between the Following Thresholds:

Lower Sense Threshold, % Vsetpoint

-16% to -10%

Upper Sense Threshold, % Vsetpoint

+10% to +16%

Power Good Signal Reference

Common Ground

Vout Ramp Up Rate, Minimum

0.5V/ms

FEATURES

• Non-Isolated

• High Efficiency

Topology

• Excellent Transient

Response

• Sense and Power OK

(SIE Model Only)

• Surface-Mount

Construction

• Voltage Trim

• Vertical or Horizontal

Mounting

• Water Washable

Efficiency vs. Load

90

88

86

84

82

SIP502.5

80

EFF. (4.5v)

EFF. (5v)

78

EFF. (5.5v)

76

10 20 30 40 50 60 70 80 90 100

LOAD %

General

Remote Shutdown

Switching Frequency

Temperature Coefficient

Ambient Operating Temperature

Minimum Required Airflow

Storage Range

Humidity Max., Non-Condensing

Vibration, 3 Axes, 5 Min Each

MTBF† (Bellcore TR-NWT-000332)

Safety

Weight (approx.)

Negative Logic

350 KHz

0.03% /°C

0 to +55°C

200 LFM

-25 to +120°C

95%

5 g, 10 - 55 Hz

7.1 x 106 hrs

UL, cUL, TUV

0.25 oz

1

Notes

† MTBF predictions may vary slightly from model to model.

Specifications typically at 25°C, normal line, and full load, unless

otherwise stated.

Soldering Conditions: I/O pins, 260°C, ten seconds; fully

compatible with commercial wave-soldering equipment.

Safety: Agency approvals may vary from model to model. Please

consult factory for specific model information.

Units are water-washable and fully compatible with commercial

spray or immersion post wave-solder washing equipment.

Rev. April 5, 2001

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