MAX8902A datasheet(1/9 Pages) MAXIM

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MAX8902A/MAX8902B

Low-Noise 500mA LDO Regulators

in a 2mm x 2mm TDFN Package

EVALUATION KIT AVAILABLE

19-0990; Rev 6; 1/15

General Description

The MAX8902A/MAX8902B low-noise linear regulators

deliver up to 500mA of output current with only

16µVRMS of output noise in a 100kHz bandwidth. These

regulators maintain their output voltage over a wide

input range, requiring only 100mV of input-to-output

headroom at full load.

These LDOs maintain a low 80µA typical supply cur-

rent, independent of the load current and dropout volt-

age. The regulator control circuitry includes a

programmable soft-start circuit and short circuit,

reverse current, and thermal-overload protection. Other

features include an enable input and a power-OK out-

put (MAX8902B only).

The MAX8902A output voltage can be set to 1.5V, 1.8V,

2.0V, 2.5V, 3.0V, 3.1V, 3.3V, 4.6V, or 4.7V using the

SELA and SELB inputs. The MAX8902B output voltage

can be set between 0.6V and 5.3V with an external

resistor voltage-divider.

Applications

Notebook Computers

MP3 and Portable Media Players

Wireless Headphones

GPS Portable Navigation Devices

Smartphones

Features

• 1.7V to 5.5V Input Voltage Range

• 0.6V to 5.3V Output Voltage Range

• 16µVRMS Output Noise, 10Hz to 100kHz

• 80µA Operating Supply Current

• 92dB PSRR at 5kHz

• Guaranteed 500mA Output Current

• ±1.5% Output Accuracy Over Load, Line, and

Temperature

• 100mV (max) Dropout at 500mA Load

• < 1µA Shutdown Supply Current

• 700mA Short-Circuit Protection

• Thermal-Overload Protection

• Output-to-Input Reverse Current Protection

• 2mm x 2mm x 0.8mm TDFN Package

Ordering Information

IN

EN

OUT

BYP

ON

OFF

OUTPUT

4.6V

SELB

SELA

OUTS

GND

EP

10

μF

INPUT

4.7V TO 5.5V

0.01

μF

10

μF

MAX8902A

Typical Operating Circuits

PART

FEATURES

TOP

MARK

MAX8902AATA+

Pin-selectable output

voltage

ABG

MAX8902AATA/V+

Pin-selectable output

voltage

BRP

MAX8902BATA+

Adjustable output voltage

ABH

MAX8902BATA/V+

Adjustable output voltage

ADL

+

Denotes a lead(Pb)-free/RoHS-compliant package.

/V denotes an automotive qualified part.

Note: All devices are in an 8-pin, 2mm x 2mm TDFN package

with an exposed paddle and operate over the -40°C to +125°C

automotive temperature range.

IN

EN

OUT

BYP

ON

OFF

OUTPUT ADJUSTABLE

0.6V TO 5.3V

GS

POK

FB

GND

EP

10

μF

INPUT

1.7V TO 5.5V

0.01

μF

10

μF

MAX8902B

R1

R2

LOGIC

SUPPLY

R3

100k

Ω

TO

μC

Pin Configurations appear at end of data sheet.

Số phần tương tự - MAX8902A

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Maxim Integrated Produc...	MAX8902A	267Kb / 10P	Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package Rev 5; 10/12
	MAX8902A	266Kb / 11P	Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package Rev 2; 2/08
	MAX8902A	360Kb / 9P	Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package Rev 4; 4/11
	MAX8902A	360Kb / 9P	Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package Rev 5; 10/12
	MAX8902AATA	360Kb / 9P	Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package Rev 4; 4/11

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Mô tả tương tự - MAX8902A

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	TPS718XX	506Kb / 15P	Dual, 200mA Output, Low Noise, High PSRR Low-Dropout Linear Regulators in 2mm x 2mm SON Package
Texas Instruments	TPS718XX	325Kb / 18P	Dual, 200mA Output, Low Noise, High PSRR Low-Dropout Linear Regulators in 2mm x 2mm SON Package
Maxim Integrated Produc...	MAX8902A	267Kb / 10P	Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package Rev 5; 10/12
Maxim Integrated Produc...	MAX8902A	266Kb / 11P	Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package Rev 2; 2/08
Micrel Semiconductor	MIC5350	445Kb / 12P	Dual 300mA/500mA LDO in 2mm x 2mm Thin MLF짰
Maxim Integrated Produc...	MAX8902A	360Kb / 9P	Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package Rev 4; 4/11
	MAX8902A	378Kb / 9P	Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package Rev 5; 10/12
	MAX8902AATA-T	378Kb / 9P	Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package Rev 5; 10/12
	MAX8902BATAT	360Kb / 9P	Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package Rev 5; 10/12
	MAX8902	355Kb / 9P	Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package 19-0990; Rev 6; 1/15

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