MAX8805W datasheet(3/22 Pages) MAXIM

Part #	MAX8805W

Description	600mA/650mA PWM Step-Down Converters in 2mm x 2mm WLP for WCDMA PA Power

Download	22 Pages

Scroll/Zoom	100%

Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

Logo

3 / 22 page

600mA/650mA PWM Step-Down Converters in

2mm x 2mm WLP for WCDMA PA Power

_______________________________________________________________________________________

3

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

MAX8805Y/MAX8805Z

0.44 x

VIN2

0.465 x

VIN2

0.48 x

VIN2

REFIN

Dual Mode™ Threshold

VREFIN rising, 50mV hysteresis

MAX8805W/MAX8805X

0.36 x

VIN2

0.372 x

VIN2

0.39 x

VIN2

V

LX

p-channel MOSFET switch, ILX = -40mA

0.18

0.6

On-Resistance

n-channel MOSFET rectifier, ILX = 40mA

0.15

0.6

Ω

TA = +25°C

0.1

5

LX Leakage Current

VIN1A = VIN1B = VIN2 = 5.5V,

VLX = 0V

TA = +85°C

1

µA

MAX8805Y/MAX8805Z

0.7

0.9

1.1

p-Channel MOSFET Peak

Current Limit

VLX = 0V

MAX8805W/MAX8805X

0.75

0.95

1.15

A

MAX8805Y/MAX8805Z

0.5

0.7

0.9

n-Channel MOSFET Valley

Current Limit

MAX8805W/MAX8805X

0.55

0.75

0.95

A

MAX8805Y/MAX8805Z

0.1

Minimum On- and Off-Times

MAX8805W/MAX8805X

0.07

µs

Power-Up Delay

From PA_EN rising to LX rising

150

250

µs

BYPASS

TA = +25

°C

0.060

0.1

On-Resistance

p-channel MOSFET bypass,

IOUT = -90mA

TA = +85

°C

0.1

Ω

Bypass Current Limit

VPA = 0V

0.8

1.2

1.8

A

MAX8805Y/MAX8805Z

0.7

0.9

1.1

Step-Down Current Limit in Bypass

VLX = 0V

MAX8805W/MAX8805X

0.75

0.95

1.15

A

MAX8805Y/MAX8805Z

1.5

2.1

2.9

Total Bypass Current Limit

VLX = VPA = 0V

MAX8805W/MAX8805X

1.55

2.15

2.95

A

TA = +25

°C

0.01

10

Bypass Off-Leakage Current

VIN1A = VIN1B = VIN2 = 5.5V,

VPAA = VPAB = 0V

TA = +85

°C1

µA

LDO1

MAX8805_EWEAA+T

1.746

1.8

1.854

MAX8805_EWEBC+T

2.425

2.5

2.575

MAX8805_EWECC+T

2.619

2.7

2.781

MAX8805_EWEDD+T

2.716

2.8

2.884

MAX8805_EWEEE+T

2.765

2.85

2.936

Output Voltage VLDO1

VIN2 = 5.5V, ILDO1 = 1mA;

VIN2 = 3.4V, ILDO1 = 100mA

MAX8805_EWEGG+T

2.910

3.0

3.090

V

Output Current

200

mA

Current Limit

VLDO1 = 0V

250

550

750

mA

Dropout Voltage

ILDO1 = 100mA, TA = +25

°C (VLDO1 ≥ 2.5V)

70

200

mV

Line Regulation

VIN2 stepped from 3.5V to 5.5V, ILDO1 = 100mA

2.4

mV

Load Regulation

ILDO1 stepped from 50µA to 200mA

25

mV

Power-Supply Rejection

10Hz to 10kHz, CLDO1 = 1µF, ILDO1 = 30mA

70

dB

ELECTRICAL CHARACTERISTICS (continued)

(VIN1A = VIN1B = VIN2 = VPA_EN = VEN1 = VEN2 = 3.6V, VHP = 0V, VREFIN = 0.9V (MAX8805Y/MAX8805Z), VREFIN = 0.72V

(MAX8805W/MAX8805X), TA = -40°C to +85°C. Typical values are at TA =+25°C, unless otherwise noted.) (Note 1)

Similar Part No. - MAX8805W

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	MAX8805W	881Kb / 24P	600mA/650mA PWM Step-Down Converters in 2mm x 2mm WLP for WCDMA PA Power 19-0777; Rev 5; 2/10
Maxim Integrated Produc...	MAX8805WEREXY+T+T	881Kb / 24P	600mA/650mA PWM Step-Down Converters in 2mm x 2mm WLP for WCDMA PA Power 19-0777; Rev 5; 2/10

More results

Similar Description - MAX8805W

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	MAX8805	881Kb / 24P	600mA/650mA PWM Step-Down Converters in 2mm x 2mm WLP for WCDMA PA Power 19-0777; Rev 5; 2/10
	MAX8805Y	468Kb / 21P	600mA PWM Step-Down Converters in 2mm x 2mm WLP for WCDMA PA Power Rev 0; 4/07
	MAX8836Z	420Kb / 19P	1.2A PWM Step-Down Converter in 2mm x 2mm WLP/UCSP for PA Power 19-4059; Rev 1; 9/08
	MAX8896	452Kb / 17P	Dual PWM Step-Down Converter in a 2mm x 2mm Package for WCDMA PA and RF Power Rev 0; 5/09
	MAX8649	2Mb / 31P	1.8A Step-Down Regulator with Remote Sense in 2mm x 2mm WLP Rev 4; 6/11
	MAX8952	1Mb / 31P	2.5A Step-Down Regulator with Remote Sense in 2mm x 2mm WLP Rev 1; 6/11
	MAX8649	1Mb / 31P	1.8A Step-Down Regulator with Differential Remote Sense in 2mm x 2mm WLP Rev 0; 9/09
	MAX8649	1Mb / 31P	1.8A Step-Down Regulator with Differential Remote Sense in 2mm x 2mm WLP Rev 1; 2/10
	MAX8884Y	617Kb / 15P	700mA DC-DC Step-Down Converters with Dual 300mA LDO in 2mm x 2mm CSP Rev 0; 4/09
	MAX8884Y	525Kb / 17P	700mA DC-DC Step-Down Converters with Dual 300mA LDO in 2mm x 2mm CSP Rev 1; 1/10

More results

MAX8805W Datasheet(PDF) 3 Page - Maxim Integrated Products

MAX8805W Datasheet(HTML) 3 Page - Maxim Integrated Products

Similar Part No. - MAX8805W

Similar Description - MAX8805W

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

Datasheet Download

Link URL