AMS2911CD-33 datasheet(3/8 Pages) ADMOS

3 / 8 page

Advanced Monolithic Systems, Inc.

6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

AMS2911

ELECTRICAL CHARACTERISTICS

Electrical Characteristics at IOUT = 0 mA, and TJ = +25°C unless otherwise specified.

Parameter

Device

Conditions

Min

Typ

Max

Units

Dropout Voltage

(VIN - VOUT)

AMS2911/-1.5/-2.5/-2.85/

-3.3/-5.0

∆V

OUT ,

∆V

REF = 1%, IOUT = 1A (Note 4)

1.3

1.5

Current Limit

AMS2911/-1.5/-2.5/2.85/

-3.3/-5.0

(VIN - VOUT) = 5V

1.1

1.5

Minimum Load

Current

AMS2911

(VIN - VOUT) = 12V (Note 5)

Quiescent Current

AMS2911/-1.5/-2.5/-2.85/

-3.3/-5.0

VIN

≤ 12V

Ripple Rejection

AMS2911

f =120Hz , COUT = 25

µF Tantalum, I

OUT = 1A,

(VIN-VOUT ) = 3V, CADJ =25

µF

AMS2911-1.5

f =120Hz , COUT = 25

µF Tantalum, I

OUT = 1A,

VIN = 6V

AMS2911-2.5

f =120Hz , COUT = 25

µF Tantalum, I

OUT = 1A,

VIN = 6V

AMS2911-2.85

f =120Hz , COUT = 25

µF Tantalum, I

OUT = 1A,

VIN = 6V

AMS2911-3.3

f =120Hz , COUT = 25

µF Tantalum, I

OUT = 1A

VIN = 6.3V

AMS2911-5

f =120Hz , COUT = 25

µF Tantalum, I

OUT = 1A

VIN = 8V

Thermal Regulation

AMS2911

TA = 25°C, 30ms pulse

0.008

0.04

Adjust Pin Current

AMS2911

10mA

≤ I

OUT

≤ 1A , 1.5V≤ (V

IN - VOUT)

≤ 12V

120

µA

Adjust Pin Current

Change

AMS2911

10mA

≤ I

OUT

≤ 1A , 1.5V≤ (V

IN - VOUT)

≤ 12V

0.2

µA

Temperature Stability

0.5

Long Term Stability

TA =125°C, 1000Hrs

0.3

RMS Output Noise

(% of VOUT )

TA = 25°C , 10Hz

≤ f ≤ 10kHz

0.003

Thermal Resistance

Junction-to-Case

M Package: Control Circuitry/ Power Transistor

T Package: Control Circuitry/ Power Transistor

1.5/4.0

°C/W

Parameters identified with boldface type apply over the full operating temperature range.

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. For guaranteed specifications and test conditions, see the

Electrical Characteristics

. The guaranteed specifications apply only for the test conditions listed.

Note 2: Line and Load regulation are guaranteed up to the maximum power dissipation of 1.2W. Power dissipation is determined by the input/output differential

and the output current. Guaranteed maximum power dissipation will not be available over the full input/output range.

Note 3: See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at a constant junction

temperature by low duty cycle pulse testing. Load regulation is measured at the output lead ~1/8” from the package.

Note 4: Dropout voltage is specified over the full output current range of the device.

Note 5: Minimum load current is defined as the minimum output current required to maintain regulation. When 1.5

≤ (V

IN - VOUT)

≤12V the device is guaranteed

to regulate if the output current is greater than 10mA.

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