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Electrical characteristics (continued) – Rainbow Electronics MAX5066 User Manual

Page 4

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MAX5066

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

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(V

IN

= V

REG

= V

DD

= V

EN

= +5V, T

A

= T

J

= T

MIN

to T

MAX

, unless otherwise noted, circuit of Figure 6. Typical values are at T

A

= +25°C.)

(Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

CURRENT-ERROR AMPLIFIER (CEA_)

Transconductance

g

M

550

µS

Open-Loop Gain

A

VOL(CEA)

No load

50

dB

VOLTAGE ERROR AMPLIFIER (EAOUT_)

Open-Loop Gain

A

VOL(EA)

70

dB

Unity-Gain Bandwidth

f

UGEA

3

MHz

EAN_ Input Bias Current

I

BIAS(EA)

V

EAN_

= 2.0V

100

nA

Error Amplifier Output Clamping
High Voltage

V

CLMP_HI

(EA)

With respect to V

CM

1.14

V

Error Amplifier Output Clamping
Low Voltage

V

CLMP_LO

(EA)

With respect to V

CM

-0.234

V

EN INPUT

EN Input High Voltage

V

ENH

EN rising

1.204

1.222

1.240

EN Hysteresis

0.05

V

EN Input Leakage Current

I

EN

-1

+1

µA

MODE INPUT

MODE Logic-High Threshold

V

MODE_H

2.4

V

MODE Logic-Low Threshold

V

MODE_L

0.8

V

MODE Input Pulldown

I

PULLDWN

5

µA

THERMAL SHUTDOWN

Thermal Shutdown

T

SHDN

160

Thermal Shutdown Hysteresis

T

HYST

10

°C

Note 1: The device is 100% production tested at T

A

= +85°C (MAX5066EUI). Limits at -40°C and +25°C and T

A

= T

J

= +125°C

(MAX5066AUI) 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.