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LT3150

3150f

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

AVOL

Large-Signal Voltage Gain

VGATE = 3V to 10V

VOL

GATE Output Swing Low (Note 4)

IGATE = 0mA

2.5

VOH

GATE Output Swing High

IGATE = 0mA

VIN2 – 1.6

VIN2 – 1

IPOS + INEG Supply Current

≤ IPOS ≤ 20V

0.3

0.625

Current Limit Threshold Voltage

≤ IPOS ≤ 20V

– 0.20

– 0.50

%/V

Line Regulation

SHDN2 Sink Current

Current Flows Into Pin

2.5

5.0

8.0

µA

SHDN2 Source Current

Current Flows Out of Pin

–8

– 15

– 23

µA

SHDN2 Low Clamp Voltage

0.1

0.25

SHDN2 High Clamp Voltage

1.50

1.85

2.20

SHDN2 Threshold Voltage

1.18

1.21

1.240

SHDN2 Threshold Hysteresis

100

150

Note 1: Absolute Maximum Ratings are those values beyond which the life

of the device may be impaired.

Note 2: TJ is calculated from the ambient temperature TA and power

dissipation PD according to the following formula:

TJ = TA + (PD • 130°C/W)

ELECTRICAL CHARACTERISTICS

The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.

VIN1 = 1.5V, VSHDN1 = VIN1, VIN2 = 12V, GATE = 6V, IPOS = INEG = 5V, VSHDN2 = 0.75V unless otherwise noted.

Note 3: Switch current limit is guaranteed by design and/or correlation to

static test.

Note 4: The VGS(th) of the external MOSFET must be greater than

3V – VOUT.

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