MAX1708EEE-T 查看數據表（PDF） - Maxim Integrated

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MAX1708EEE-T

High-Frequency, High-Power, Low-Noise, Step-Up DC-DC Converter

Maxim Integrated 

High-Frequency, High-Power, Low-Noise,

Step-Up DC-DC Converter

ELECTRICAL CHARACTERISTICS (continued)

(VOUT = VCLK = +3.6V, ONA = ONB = FB = GND, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

Input High Level

Logic Input Current

Internal Oscillator Frequency

Maximum Duty Cycle

External Clock Frequency

Range

CLK Pulse Width

CONDITIONS

ONA, ONB, 3.3/5, 1.2V < VOUT <5.5V

CLK, 2.7 V< VOUT < 5.5V

ONA, ONB, CLK, 3.3/5 = 0, 5.5V

(Note 8)

MIN

TYP

0.8 ✕ VOUT

0.8 ✕ VOUT

-1

520

600

82

88

350

100

MAX

1

680

94

1000

UNITS

V

µA

kHz

%

kHz

ns

CLK Rise/Fall Time

(Note 8)

50

ns

ELECTRICAL CHARACTERISTICS

(VOUT = VCLK = +3.6V, ONA = ONB = FB = GND, TA = -40°C to +85°C, unless otherwise noted.) (Note 9)

PARAMETER

Output Voltage

FB Regulation Voltage

FB Input Current (VFB)

Load Regulation

Soft-Start Pin Current

OUT Leakage Current in

Shutdown

OUT Supply Current

N-Channel Switch

On-Resistance

N-Channel Current Limit

Reference Voltage

CONDITIONS

VFB < 0.1V, VIN = +2.4V 3.3/5 = GND, ISW = 0.5A

(Note 1)

3.3/5 = OUT, ISW = 0.5A

ISW = 0.5A

VFB = +1.5V

Measured between 0.5A < ISW < 1.5A (Note 2)

SS/LIM = 1V

V ONB = 3.6V

VFB = 1.5V (Note 6)

MIN

3.24

4.90

1.20

3.2

SS/LIM = open

SS/LIM = 150kΩ to GND

IREF = 0

4.5

1.8

1.24

MAX

3.45

5.22

1.28

200

-0.60

5.2

UNITS

V

V

nA

%/A

µA

2

µA

300

µA

80

mΩ

7.5

A

4.0

1.28

V

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