Rainbow-electronics MAX1701 Bedienungsanleitung PDF herunterladen (Seite 3)

Input High Voltage (Note 7)

MAX1700/MAX1701

1-Cell to 3-Cell, High-Power (1A),

Low-Noise, Step-Up DC-DC Converters

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

(CLK/SEL = ONA = ONB = FB = PGND = GND, OUT = POUT, V

OUT

= 3.6V (Note 6); MAX1701: AIN = LBN = GND, LBP = REF,

= 0°C to +85°C, unless otherwise noted. Typical values are at T

= +25°C.)

-1µA < I

REF

< 50µA

REF

= 0

AIN

= 1.5V

SINK

= 1mA, V

OUT

= 3.6V or I

SINK

= 20µA, V

OUT

= 1V

To maintain input offset < ±5mV (at least one input must

be within this range)

= 20µA

LBP falling, 15mV hysteresis

OUT

= V

POK

= 5.5V

SINK

= 1mA, V

OUT

= 3.6V or I

SINK

= 20µA, V

OUT

= 1V

Rising V

OUT

, V

< 0.1V

10µA < I

= 100µA

AIN

= 0.7V, I

= 100µA

AIN

= 1.5V, V

= 5.5V

CONDITIONS

mV515REF Load Regulation

V1.237 1.250 1.263Reference Output Voltage

V0.03 0.4LBO Output Low Voltage

V0.5 1.5

LBN, LBP Common Mode

Range

mV-5 ±0.5 5LBN, LBP Input Offset

µA0.01 1POK High Leakage Current

nA-30 30AIN Input Current

V1.237 1.25 1.263AIN Reference Voltage

V0.03 0.4POK Low Voltage

V1.1 1.12 1.14External Trip Level

V2.93 2.97 3.02Internal Trip Level

mmho5916Transconductance

V0.1 0.4AO Output Low Voltage

µA0.01 1AO Output High Leakage

UNITSMIN TYP MAXPARAMETER

LBP

= V

LBN

= 1.5V

OUT

= V

LBO

= 5V

nA20LBN, LBP Input Current

µA0.01 1LBO High Leakage

2.5V < V

OUT

< 5V mV0.2 5REF Supply Rejection

1.2V < V

OUT

< 5.5V, ONA and ONB

0.2V

OUT

1.2V < V

OUT

< 5.5V, ONA and ONB

2.5V < V

OUT

< 5.5V, CLK/SEL

0.8V

OUT

0.2V

OUT

Input Low Voltage (Note 7)

2.5V < V

OUT

< 5.5V, CLK/SEL

0.8V

OUT

Input High Voltage (Note 7)

CLK/SEL = OUT

ONA, ONB, and CLK/SEL

kHz260 300 340Internal Oscillator Frequency

µA-1 1Logic Input Current

kHz200 400

External Clock Frequency

Range

%80 86 90Oscillator Maximum Duty Cycle

ns100

Maximum CLK/SEL Rise/Fall

Time

ns200Minimum CLK/SEL Pulse Width

GAIN BLOCK (MAX1701)

POWER GOOD (MAX1701)

LOW-BATTERY COMPARATOR

REFERENCE

LOGIC AND CONTROL INPUTS

1 2 3 4 5 6 7 8 ... 15 16

MAX1700/MAX1701 1

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