ADP151 datasheet(4/47 Pages) AD

4 / 47 page

Data Sheet

LT3046

analog.com

Rev 0

4 of 47

(TJ = -40°C to +125°C for the minimum and maximum values, TA = +25°C for the typical values, output capacitance

(COUT) = 4.7µF ceramic capacitor, and SET capacitance (CSET) = 4.7µF, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS/COMMENTS

MIN

TYP

MAX

UNITS

460

IL = 200mA

TA = +25°C

300

380

470

GND Pin Current6

IL = 10µA

3.7

IL = 1mA

3.75

6.6

IL = 20mA

4.2

IL = 100mA

5.6

10.5

IL = 200mA

Output-Noise Spectral

Density3,7

IL = 200mA, frequency = 10Hz, CSET =

0.47µF, VOUT = 3.3V

148

nV/√Hz

IL = 200mA, frequency = 10Hz, CSET =

4.7µF, 1.3V ≤ VOUT ≤ 19V

IL = 200mA, frequency = 10kHz, CSET

= 0.47µF, 1.3V ≤ VOUT ≤ 19V

2.2

IL = 200mA, frequency = 10kHz, CSET

= 0.47µF, 0.2V ≤ VOUT < 1.3V

Output RMS Noise3,7

IL = 200mA, BW = 10Hz to 100kHz,

CSET = 0.47µF, VOUT = 3.3V

1.7

µVRMS

IL = 200mA, BW = 10Hz to 100kHz,

CSET = 4.7µF, 1.3V ≤ VOUT ≤ 19V

0.8

IL = 200mA, BW = 10Hz to 100kHz,

CSET = 4.7µF, 0.2V ≤ VOUT < 1.3V

1.6

Output Peak-to-Peak

1/f Noise3,7

IL = 200mA, BW = 0.1Hz to 10Hz, CSET

= 4.7µF, VOUT = 3.3V

µVP-P

IL = 200mA, BW = 0.1Hz to 10Hz, CSET

= 22µF, VOUT = 3.3V

2.5

Reference Current RMS

Output Noise3,7

BW = 10Hz to 100kHz

nARMS

Ripple Rejection

1.3V ≤ VOUT ≤ 19V (VIN -

VOUT = 1.7V (Avg)3,7)

VRIPPLE = 500mVP-P, fRIPPLE = 120Hz, IL =

200mA

102

VRIPPLE = 150mVP-P, fRIPPLE = 10kHz, IL =

200mA

VRIPPLE = 150mVP-P, fRIPPLE = 100kHz, IL

= 200mA

VRIPPLE = 150mVP-P, fRIPPLE = 1MHz, IL =

200mA

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