Rainbow-electronics MAX1673 Manual de usuario descargar pdf (Pagina 3)

= -25mV

MAX1673

Regulated, 125mA-Output,

Charge-Pump DC-DC Inverter

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

= V

SHDN

= +5V, C

= 10µF, C

OUT

= 22µF, C

FLY

= 2.2µF, T

= -40°C to +85°C, unless otherwise noted. Typical values are at

= +25°C.) (Note 2)

Note 2: Specifications to -40°C are guaranteed by design, not production tested.

Logic Low Input

(SHDN, LIN/SKIP)

0.3 x V

V2V ≤ V

≤ 5.5V

Logic High Input

(SHDN, LIN/SKIP)

0.7 x V

V2V ≤ V

≤ 5.5V

FB Input Bias Current I

150 600

LIN/SKIP = IN

(LIN mode)

PARAMETER SYMBOL MIN TYP MAX UNITS

FB Threshold V

FBT

-25 0 25 mV

Switching Frequency

(LIN Mode)

OSC

250 350 460

kHz

CONDITIONS

Input Bias Current

(SHDN, LIN/SKIP)

LIN/SKIP = GND (Skip mode)

= +25°C

1 µA

1 100

LIN/SKIP = GND

(Skip mode)

= -25mV

= -40°C to +85°C 205 515

1 2 3 4 5 6 7 8

Regulated, 125mA-Output 1
Charge-Pump DC-DC Inverter 1

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Rainbow-electronics MAX1673 Manual de usuario Pagina 3

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