MAX886ECJ Просмотр технического описания (PDF) - Maxim Integrated

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MAX886ECJ

Wireless and Satellite Handset Power-Management ICs

Maxim Integrated 

Wireless and Satellite Handset

Power-Management ICs

ELECTRICAL CHARACTERISTICS (continued)

(VBATT = VIN0 = VIN1 = +5.5V, GND = PGND = DGND, V OFF = VSYNC = 2.8V, VIN2 = VIN3 = VIN4 = VIN5 = +3.8V, VOUT4 = +5.5V,

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

PARAMETER

Output Load Regulation

Line Regulation

Maximum Duty Cycle

LX Leakage Current

Internal Switch On-Resistance

SYMBOL

RON

PFM to PWM Threshold

Internal Switch Current Limit

ILIMIT

OSCILLATOR FREQUENCY (OUT0, OUT4)

Oscillator Frequency Accuracy

fOSC

CONDITIONS

IOUT0 = 0.1mA to 500mA

3V < VIN0 < 12V

VLX = 12V

VLX = 12V

VIN0 = 3.8V

IOUT0 (MAX886, MAX888)

IOUT0 (MAX1863 only)

Table 4

TA = 0°C to +85°C

TA = -40°C to +85°C

SYNC Range

LDO REGULATOR 1 (IN1, OUT1)

Input Voltage Range

Output Accuracy

Nominal Output Adjustment

Range

Dropout Voltage

Output Load Regulation

Line Regulation

Current Limit

LDO REGULATOR 2 (IN2, OUT2)

Input Voltage Range

Output Accuracy

Nominal Output Adjustment

Range

VIN1

VOUT1

VIN2

VOUT2

IOUT1 = 0.1mA to 100mA

MAX886

MAX888, MAX1863

IOUT1 = 1mA

IOUT1 = 100mA

IOUT1 = 0.1mA to 100mA

3V < VIN1 < 12V, 0h code

IOUT2 = 0.1mA to 200mA

MAX886

MAX888, MAX1863

MIN TYP MAX UNITS

-1.5

%

-0.3

0

0.3

%

100

%

0.1

10

µA

0.4

1

Ω

63

98

180

mA

130

235

340

0.6

0.9

1.2

A

-20

20

%

-23

23

0.8 ✕

fOSC

fOSC

1.2 ✕

fOSC

kHz

2.7

-3

2.70

1.25

1

90

-0.01

-0.1

0

100 250

12

V

3

%

4.95

V

3.5

mV

200

0.01 %/mA

0.1

%/V

mA

2.7

-3

2.175

1.527

5.5

V

3

%

3.30

V

3.027

Output Ready Threshold

Dropout Voltage

Output Load Regulation

Line Regulation

LCDuOrreRnEt LGimULitATOR 3 (IN3, OUT3)

Input Voltage Range

Output Accuracy

VRDY2

VIN3

VOUT2 = 3.3V (MAX886),

VOUT2 = 1.527V (MAX888, MAX1863)

IOUT2 = 1mA

IOUT2 = 200mA

IOUT2 = 0.1mA to 200mA

2.7V < VIN2 < 3.8V, 0h code

IOUT3 = 0.1mA to 20mA

-7.5

-5

1

90

-0.005

-0.3

200 500

2.7

-3

-3

% of

VOUT2

200

0.002

0.3

5.5

3

mV

%/mA

%/V

mA

V

%

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