MAX1765EEE datasheet(3/19 Pages) MAXIM

3 / 19 page

800mA, Low-Noise, Step-Up DC-DC Converter

with 500mA Linear Regulator

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(VOUT = VPOUT = VINL = VONA = VONL = 3.6V, CLK/SEL = FBL = ONB = TRACK = PGND = GND, ISET = REF (bypassed with

0.22µF), LX = open, OUTL = open (bypassed with 4.7µF), TA = 0°C to +85°C, unless otherwise noted. Typical values are at

TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DC-DC SWITCHES

POUT Leakage Current

VLX = 0, VOUT = 5.5V

0.1

µA

LX Leakage Current

VLX = VOUT = VONB = 5.5V, ONA = GND

0.1

µA

N-channel

0.17

0.28

Switch On-Resistance

P-channel

0.22

0.5

Ω

N-Channel Current Limit (Note 4)

ILIM

VISET = 1.25V, CLK/SEL = GND or OUT

1000

1250

1600

P-Channel Turn-Off Current

CLK/SEL = GND

120

REFERENCE

Reference Output Voltage

VREF

IREF = 0

1.230

1.250

1.270

Reference Load Regulation

-1

µA < IREF < 50µA5

Reference Supply Regulation

2.5V < VOUT < 5.5V

0.2

LINEAR REGULATOR

INL Voltage Range

(Note 1)

2.3

5.5

INL Startup Voltage

VINL

VOUT = 2V, rising edge only

2.15

2.30

2.45

Output Voltage in Internal

Feedback Mode

FBL = GND, IOUTL = 10mA

2.80

2.85

2.90

FBL Dual-Mode Threshold

150

250

350

FBL Regulation Voltage

VFBL

FBL = OUTL, IOUTL = 10mA, IREF = 0

1.230

1.250

1.270

FBL Input Leakage Current

VFBL = 1.5V

0.01

OUTL Adjust Range

1.25

Short-Circuit Current Limit

VFBL = 1V

550

1300

Dropout Resistance

VFBL = 1V, IOUTL = 500mA

0.25

0.5

Ω

Load Regulation

1mA < IOUTL < 500mA, FBL = GND

0.5

Line Regulation

2.5V < (VOUT = VINL = VPOUT) < 5.5V,

FBL = OUTL

-0.5

0.5

INL Supply Current in Shutdown

OUTL = ONA = ONL = GND

0.1

µA

INL No-Load Supply Current

IOUTL = 0, VINL = 5.5V

250

µA

AC Power-Supply Rejection

f = 10kHz

Thermal Shutdown

Hysteresis approximately 10

°C

160

°C

MAX1765EEE датащи(PDF) 3 Page - Maxim Integrated Products

MAX1765EEE датащи(HTML) 3 Page - Maxim Integrated Products

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

датащи скачать

ссылки URL