SP317 datasheet(4/13 Pages) SIPEX

4 / 13 page

Date: 7/27/06 Rev F

SP37 3-Terminal Amp Adjustable Voltage Regulator

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Reference Voltage

VREF 10mA IOUT 1A,

3V (VIN-VOUT) 10V

1.20

1.25

1.30

Line Regulation

IOUT 20mA, 3V VIN-VOUT 10V

0.01

0.04

%/V

Load Regulation

VIN -VOUT = 2V, 10mA IOUT 1A

0.2

0.4

Thermal Regulation

20ms Pulse

0.04

0.07

%/W

Dropout Voltage

IOUT 1A

1.2

1.3

Current Limit

ILIMIT (VIN-VOUT) = 2V

1.2

1.5

1.8

Adjust Pin Current

100

Adjust Pin Current Change

1.4V VIN-VOUT) 10V,

10mA IOUT 1A

0.2

Minimum Load Current

3V (VIN-VOUT) 15V

3.5

Ripple Rejection

f =120Hz, COUT =1 F Tantalum,

(VIN-VOUT) = 3V, IOUT =1A

Temperature Stability

Long -Term Stability

TA=125oC, 1000hrs

0.3

RMS Output Noise (% of VOUT)

TA=25oC, 10Hz f 10kHz

0.003

Thermal Resistance,

Junction to Case

SOT-223

TO-252

TO-220

TO-263

4.5

oC/W

Thermal Shutdown

Junction Temperature

150

Thermal Shutdown Hysteresis

(Typicals and limits apply for TJ =25oC, P Maximum Power Dissipation unless otherwise specified.)(Note 2)

Note 2: Maximum Power Dissipation is Package Type and Case Temperature dependent. Please see Figure 12.

electrical characteristics

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