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Electrical characteristics (continued) – Rainbow Electronics MAX1701 User Manual

Page 4

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MAX1700/MAX1701

1-Cell to 3-Cell, High-Power (1A),
Low-Noise, Step-Up DC-DC Converters

4

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ELECTRICAL CHARACTERISTICS (continued)

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

OUT

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

T

A

= -40°C to +85°C, unless otherwise noted.) (Note 8)

LBP falling, 15mV hysteresis

Rising V

FB

Adjustable output, CLK/SEL = OUT, V

BATT

= 2.4V,

includes load regulation error for 0A

I

LX

0.55A

10µA < I

AO

< 100µA

I

AO

= 20µA

V

FB

< 0.1V, CLK/SEL = OUT, V

BATT

= 2.4V, includes load

regulation error for 0A

I

LX

0.55A

CLK/SEL = OUT

Rising V

OUT

, V

FB

< 0.1V

P-channel

N-channel

V

(Note 4)

V

ONB

= 3.6V

CLK/SEL = GND (MAX1700)

2.92

3.03

CLK/SEL = OUT (MAX1700)

Internal Trip Level

CONDITIONS

mV

-5

5

LBN, LBP Input Offset

V

1.1

1.14

External Trip Level

mmho

5

16

Transconductance

V

1.23

1.27

To maintain input offset < ±5mV (at least one input must
be within this range)

AIN Reference Voltage

mA

250

600

N-Channel Current Limit

1100

1800

V

0.5

1.5

LBN, LBP Common Mode
Range

I

REF

= 0

V

1.23

1.27

Reference Output Voltage

V

1.20

1.27

FB Regulation Voltage

V

3.17

3.38

Output Voltage (Note 3)

0.5

Switch On-Resistance

0.28

0.45

V

2.0

2.3

Output Voltage Lockout
Threshold

µA

20

Supply Current in Shutdown

µA

70

Supply Current in Low-Power
Mode (Note 6)

µA

250

Supply Current in Low-Noise
Mode (Note 6)

UNITS

MIN

TYP

MAX

PARAMETER

CLK/SEL = GND (MAX1701)

CLK/SEL = OUT (MAX1701)

CLK/SEL = GND

CLK/SEL = OUT

CLK/SEL = GND

110

300

DC-DC CONVERTER

DC-DC SWITCHES

GAIN BLOCK (MAX1701)

POWER-GOOD (MAX1701)

LOW-BATTERY COMPARATOR (MAX1701)

REFERENCE