MAX8588 datasheet(4/31 Pages) MAXIM

Part #	MAX8588

Description	High-Efficiency, Low-IQ PMIC with Dynamic Core for PDAs and Smartphones

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Manufacturer	MAXIM [Maxim Integrated Products]

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High-Efficiency, Low-IQ PMIC with

Dynamic Core for PDAs and Smartphones

4

_______________________________________________________________________________________

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

ILX3 = -180mA

0.225

0.375

p-Channel On-Resistance

ILX2 = -180mA, VPV3 = 2.6V

0.26

0.425

Ω

ILX3 = 180mA

0.15

0.25

n-Channel On-Resistance

ILX3 = 180mA, VPV3 = 2.6V

0.17

0.275

Ω

Current-Sense Transresistance

1.1

V/A

p-Channel Current-Limit Threshold

-0.60

-0.7

-0.85

A

PWM Skip-Mode Transition Load

Current

Decreasing load current (Note 2)

30

mA

OUT3 Maximum Output Current

2.6V

≤ VPV3 ≤ 5.5V (Note 3)

0.5

A

LX3 Leakage Current

VPV3 = 5.5V, LX3 = GND or PV2, VON3 = 0V

-10

+0.1

+10

µA

LDOS V4, V5, V6, V1 SLEEP, V2 SLEEP, AND V7 OUTPUT

V4, V5, V6, V1 SLEEP, V2 SLEEP

Output Current

35

mA

V7 Output Current

30

mA

REG4 Output Voltage

Load = 0.1mA to 35mA

1.261

1.3

1.339

V

REG4 Noise

With 1µF COUT and 0.01µF CBYP

15

µVRMS

REG5 Output Voltage

Load = 0.1mA to 35mA

1.067

1.1

1.133

V

IN45, IN6 Input Voltage Range

2.4

5.5

V

0V setting (either ON6 low or serial programmed)

0

1.8V setting, load = 0.1mA to 35mA

1.746

1.8

1.854

2.5V setting, load = 0.1mA to 35mA

2.425

2.5

2.575

REG6 Output Voltage (POR Default

to 0V, Set by Serial Input)

3.0V setting, load = 0.1mA to 35mA

2.91

3.0

3.09

V

V1 on and in regulation

VV1

V7 Output Voltage

V1 off

VBKBT

V

V1 and V2 SLEEP Output Voltage

Accuracy

Set to same output voltage as REG1 and REG2

-3.0

+3.0

%

V1 and V2 SLEEP Dropout Voltage

Load = 20mA

75

150

mV

V6 Dropout Voltage

3V mode, load = 30mA, 2.5V mode, load = 30mA

110

200

mV

V7 Switch Voltage Drop

Load = 20mA, VBKBT = VV1 = 3.0V

100

200

mV

V4, V5, V6 Output Current Limit

40

90

mA

BKBT Leakage

1

µA

OSCILLATOR

PWM Switching Frequency

0.93

1

1.07

MHz

SUPERVISORY/MANAGEMENT FUNCTIONS

Rising

92

94.75

97

POK Trip Threshold (Note 4)

Falling

88.5

90.5

92.5

%

ELECTRICAL CHARACTERISTICS (continued)

(VIN = 3.6V, VBKBT = 3.0V, VLBI = 1.1V, VDBI = 1.35V, circuit of Figure 5, TA = 0°C to +85°C, unless otherwise noted. Typical values

are at TA = +25°C.)

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