MAX5096 View Datasheet(PDF) - Maxim Integrated

Part Name

Description

Manufacturer

MAX5096

40V, 600mA Buck Converters with Low Quiescent-Current Linear Regulator Mode

Maxim Integrated 

MAX5096/MAX5097

40V, 600mA Buck Converters with Low-

Quiescent-Current Linear Regulator Mode

Electrical Characteristics (continued)

(VIN = +14V, IOUT = 1mA, CIN = 100μF, COUT = 22μF, L = 22μH, CBP = 1μF, VEN = +2.4V, SGND = PGND = 0V, TA = TJ =

-40°C to +125°C, unless otherwise noted. Typical values are at TA = TJ = +25°C.) (Note 1)

PARAMETER

Output Voltage

ADJ Set Point

ADJ Input Bias Current

Adjustable Output Voltage Range

Dropout Voltage

SYMBOL

VOUT

VADJ

IFB

VADJ

ΔVDO

CONDITIONS

5V version, MAX5096B/MAX5097B,

5.5V ≤ VIN ≤ 40V, IOUT = 10mA

3.3V version, MAX5096A/MAX5097A,

4V ≤ VIN ≤ 40V, IOUT = 10mA

IOUT = 10mA

VADJ = 4V

IOUT = 10mA

IOUT = 100mA,

VOUT = 0.98 x VOUT (nominal) (5V

version only), MAX5096B/MAX5097B

MIN TYP MAX UNITS

4.89

5

5.09

V

3.219 3.3 3.378

V

1.21 1.2375 1.26

V

0.5

100

nA

1.237

11.000

V

0.37

V

Startup Response Time

Rising edge of EN to

VOUT = 10% VOUT (nominal),

RL = 500Ω, VADJ = SGND,

VLDO/BUCK = 4V, CSS = 2nF

Line Regulation

ΔVOUT/

ΔVIN

5V version, +5.5V ≤ VIN ≤ +40V,

IOUT = 100mA

3.3V version, +4V ≤ VIN ≤ +40V,

IOUT = 100mA

Load Regulation

Power-Supply Rejection Ratio

Short-Circuit Current

LDO/BUCK High Threshold

ΔVOUT/

ΔIOUT

PSRR

ISC

5V version,

TJ = +25°C

IOUT = 100μA to

100mA, VIN = 14V TJ = -40°C to +125°C

3.3V version,

TJ = +25°C

IOUT = 100μA to

100mA, VIN = 14V TJ = -40°C to +125°C

IOUT = 10mA, f = 100Hz, 500mVP-P,

VOUT = +5V, VIN = +14V

VIN = 6V

150

2.0

LDO/BUCK Low Threshold

LDO/BUCK Input Leakage

Transition Timing from LDO Mode

to Buck Mode

VLDO/BUCK = 11V

Falling edge of LDO/BUCK to buck

converter on

Transition Timing from Buck Mode

to LDO Mode

Rising edge of LDO/BUCK to LDO

operation

SOFT-START, ENABLE (EN) AND RESET

Soft-Start Charge Current

ISS

VSS = 0.1V

3

Soft-Start Reference Voltage

VSS-REF VOUT = VOUT (nominal) - 20%

0.9

EN High-Voltage Threshold

VENH

EN = high, regulator on

1.4

300

µs

0.125

0.093

mV/V

0.242 0.374

0.242

0.164

0.164

1

0.237

mV/mA

1

60

dB

330

500

mA

V

0.8

V

1

µA

32

Clock

Periods

100

µs

5

7

µA

0.99

1.1

V

V

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