MAX5066AUI datasheet(4/22 Pages) MAXIM

Part #	MAX5066AUI

Description	Configurable, Single-/Dual-Output, Synchronous Buck Controller for High-Current Applications

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Manufacturer	MAXIM [Maxim Integrated Products]

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Configurable, Single-/Dual-Output, Synchronous

Buck Controller for High-Current Applications

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(VIN = VREG = VDD = VEN_ = +5V, TA = TJ = TMIN to TMAX, unless otherwise noted, circuit of Figure 6. Typical values are at TA = +25°C.)

(Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

CURRENT-ERROR AMPLIFIER (CEA_)

Transconductance

gM

550

µS

Open-Loop Gain

AVOL(CEA)

No load

50

dB

VOLTAGE ERROR AMPLIFIER (EAOUT_)

Open-Loop Gain

AVOL(EA)

70

dB

Unity-Gain Bandwidth

fUGEA

3

MHz

EAN_ Input Bias Current

IBIAS(EA)

VEAN_ = 2.0V

100

nA

Error Amplifier Output Clamping

High Voltage

VCLMP_HI

(EA)

With respect to VCM

1.14

V

Error Amplifier Output Clamping

Low Voltage

VCLMP_LO

(EA)

With respect to VCM

-0.234

V

EN_ INPUTS

EN_ Input High Voltage

VENH

EN rising

1.204

1.222

1.240

EN_ Hysteresis

0.05

V

EN_ Input Leakage Current

IEN

-1

+1

µA

MODE INPUT

MODE Logic-High Threshold

VMODE_H

2.4

V

MODE Logic-Low Threshold

VMODE_L

0.8

V

MODE Input Pulldown

IPULLDWN

5µA

THERMAL SHUTDOWN

Thermal Shutdown

TSHDN

160

Thermal Shutdown Hysteresis

THYST

10

°C

Note 1: The device is 100% production tested at TA = +85°C (MAX5066EUI) and TA = TJ = +125°C (MAX5066AUI). Limits at -40°C

and +25°C are guaranteed by design.

Note 2: The internal reference voltage accuracy is measured at the negative input of the error amplifiers (EAN_). Output voltage

accuracy must include external resistor-divider tolerances.

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