MAX1708EEE datasheet(3/13 Pages) MAXIM

3 / 13 page

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.)

ELECTRICAL CHARACTERISTICS

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

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

ONA,

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

0.8 ✕ VOUT

Input High Level

CLK, 2.7 V< VOUT < 5.5V

0.8 ✕ VOUT

Logic Input Current

ONA,

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

-1

µA

Internal Oscillator Frequency

520

600

680

kHz

Maximum Duty Cycle

External Clock Frequency

Range

350

1000

kHz

CLK Pulse Width

(Note 8)

100

CLK Rise/Fall Time

(Note 8)

PARAMETER

CONDITIONS

MIN

MAX

UNITS

3.3/5 = GND, ISW = 0.5A

3.24

3.45

Output Voltage

VFB < 0.1V, VIN = +2.4V

(Note 1)

3.3/5 = OUT, ISW = 0.5A

4.90

5.22

FB Regulation Voltage

ISW = 0.5A

1.20

1.28

FB Input Current (VFB)VFB = +1.5V

200

Load Regulation

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

-0.60

%/A

Soft-Start Pin Current

SS/LIM = 1V

3.2

5.2

µA

OUT Leakage Current in

Shutdown

V ONB = 3.6V

µA

OUT Supply Current

VFB = 1.5V (Note 6)

300

µA

N-Channel Switch

On-Resistance

Ω

SS/LIM = open

4.5

7.5

N-Channel Current Limit

SS/LIM = 150k

Ω to GND

1.8

4.0

Reference Voltage

IREF = 0

1.24

1.28

MAX1708EEE Datenblatt(PDF) 3 Page - Maxim Integrated Products

MAX1708EEE Datenblatt(HTML) 3 Page - Maxim Integrated Products

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13

Datenblatt Download

Link URL