MAX1586 datasheet(6/32 Pages) MAXIM

Part #	MAX1586

Description	High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones

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Manufacturer	MAXIM [Maxim Integrated Products]

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High-Efficiency, Low-IQ PMICs with

Dynamic Core for PDAs and Smart Phones

6

_______________________________________________________________________________________

PARAMETER

CONDITIONS

MIN

MAX

UNITS

PV1, PV2, PV3, SLPIN, IN Supply

Voltage Range

PV1, PV2, PV3, IN, and SLPIN must connect together

externally

2.6

5.5

V

IN45, IN6 Supply Voltage Range

2.4

5.5

V

VIN rising

2.25

2.55

IN Undervoltage-Lockout (UVLO)

Threshold

VIN falling

2.200

2.525

V

SYNCHRONOUS-BUCK PWM REG1

FB1 = GND, 3.6V

≤ VPV1 ≤ 5.5V, load = 0 to 1300mA

3.25

3.35

REG1 Voltage Accuracy

FB1 = IN, 3.6V

≤ VPV1 ≤ 5.5V, load = 0 to 1300mA

2.955

3.045

V

FB1 Voltage Accuracy

FB1 used with external resistors, 3.6V

≤ VPV1 ≤ 5.5V,

load = 0 to 1300mA

1.231

1.269

V

FB1 Input Current

FB1 used with external resistors

100

nA

Load = 800mA (Note 1)

280

Dropout Voltage

Load = 1300mA (Note 1)

450

mV

ILX1 = -180mA

0.3

P-Channel On-Resistance

ILX1 = -180mA, VPV1 = 2.6V

0.35

Ω

ILX1 = 180mA

0.225

N-Channel On-Resistance

ILX1 = 180mA, VPV1 = 2.6V

0.25

Ω

P-Channel Current-Limit Threshold

-1.55

-2.10

A

OUT1 Maximum Output Current

2.6V

≤ VPV1 ≤ 5.5V (Note 3)

1.30

A

LX1 Leakage Current

VPV1 = 5.5V, LX1 = GND or PV1, VON1 = 0V

-10

+10

µA

SYNCHRONOUS-BUCK PWM REG2

FB2 = GND, 3.6V

≤ VPV2 ≤ 5.5V, load = 0 to 900mA

2.463

2.537

MAX1586A, MAX1587A, FB2 = IN, 3.6V

≤ VPV2 ≤ 5.5V,

load = 0 to 900mA

1.773

1.827

REG2 Voltage Accuracy

MAX1586B, FB2 = IN, 3.6V

≤ VPV2 ≤ 5.5V,

load = 0 to 900mA

3.25

3.35

V

FB2 Voltage Accuracy

FB2 used with external resistors, 3.6V

≤ VPV2 ≤ 5.5V,

load = 0 to 900mA

1.231

1.269

V

FB2 Input Current

FB2 used with external resistors, VFB2 = 1.25V

100

nA

Dropout Voltage

Load = 900mA (Note 1)

380

mV

ILX2 = -180mA

0.375

P-Channel On-Resistance

ILX2 = -180mA, VPV2 = 2.6V

0.425

Ω

ILX2 = -180mA

0.25

N-Channel On-Resistance

ILX2 = -180mA, VPV2 = 2.6V

0.275

Ω

P-Channel Current-Limit Threshold

-1.1

-1.50

A

OUT2 Maximum Output Current

2.6V

≤ VPV2_≤ 5.5V (Note 3)

0.9

A

LX2 Leakage Current

VPV2 = 5.5V, LX2 = GND or PV2, VON2 = 0V

-10

+10

µA

ELECTRICAL CHARACTERISTICS

(VIN = 3.6V, VBKBT = 3.0V, VLBI = 1.1V, VDBI = 1.35V, circuit of Figure 5, TA = -40°C to +85°C, unless otherwise noted.) (Note 5)

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