MAX8969EWL50(2011) Просмотр технического описания (PDF) - Maxim Integrated

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производитель

MAX8969EWL50
(Rev.:2011)

Step-Up Converter for Handheld Applications

Maxim Integrated 

Step-Up Converter

for Handheld Applications

ELECTRICAL CHARACTERISTICS (continued)

(VIN = 2.6V, TA = -40NC to +85NC, unless otherwise noted. Typical values are TA = +25NC.) (Note 3)

PARAMETER

Steady-State Output Voltage

(Notes 5, 6)

LX_ Leakage Current

Skip-Mode Supply Current

pMOS Turn-Off Current (Zero-Cross Current)

LX_ nMOS Current Limit

Maximum Duty Cycle

Minimum Duty Cycle

pMOS On-Resistance

nMOS On-Resistance

Minimum Output Capacitance for Stable

Operation (Actual)

Maximum Output Capacitance (Actual)

CONDITIONS

2.5V < VIN < VATMRT, conditions emulating 0 <

IOUT < 1A, COUT = 22FF, L = 1FH,

VOUT_TARGET = 3.3V

2.5V < VIN < VATMRT, conditions emulating 0 <

IOUT < 1A, COUT = 22FF, L = 1FH,

VOUT_TARGET = 3.5V

2.5V < VIN < VATMRT, conditions emulating 0 <

IOUT < 1A, COUT = 22FF, L = 1FH,

VOUT_TARGET = 3.7V

2.5V < VIN < VATMRT, conditions emulating 0 <

IOUT < 600mA, COUT = 22FF, L = 1FH,

VOUT_TARGET = 4.25V

2.5V < VIN < VATMRT, conditions emulating 0 <

IOUT < 500mA, COUT = 22FF, L = 1FH,

VOUT_TARGET = 5V

VLX = 0V, 4.8V

TA = +25NC

TA = +85NC

EN = high, IOUT = 0A, 1FH inductor (TREN is

low, not switching)

VOUT = 3.3V

VOUT = 3.5V

VOUT = 3.7V

VOUT = 4.25V

VOUT = 5V

VOUT = 3.3V

VOUT = 3.5V

VOUT = 3.7V

VOUT = 4.25V

VOUT = 5V

0 < IOUT < 0.3A

during startup

VOUT = 3.3V

VOUT = 3.5V

VOUT = 3.7V

VOUT = 4.25V

VOUT = 5V

MIN

3.00

3.15

3.35

3.95

4.50

0

TYP

0.1

0.2

45

10

2.6

83

120

115

110

100

91

65

63

60

55

51

8

70

55

45

30

20

MAX UNITS

3.45

3.65

3.85

V

4.35

5.10

5

FA

FA

mA

3.2

A

%

%

mI

mI

FF

FF

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