LTM8065 datasheet(5/43 Pages) AD

5 / 43 page

Data Sheet

LTM8060F

analog.com

Rev. 0

5 of 43

SPECIFICATIONS

Table 1. Electrical Characteristics

(TA = 25°C, VINn = 12V, RUNn = 2V unless otherwise noted.1,2 )

PARAMETER

SYMBOL

CONDITIONS

COMMENTS MIN TYP MAX UNITS

Minimum VIN1 Input

Voltage

VINn

–40°C ≤ TJ ≤

125°C

3.0

Minimum VIN34 Input

Voltage

VINn

–40°C ≤ TJ ≤

125°C

3.0

Minimum VIN2 Input

Voltage

VINn

VIN1 = 3V

–40°C ≤ TJ ≤

125°C

2.0

Output DC Voltage

VOUT

FBn open

0.8

FBn = 21.5kΩ

Maximum Output DC

Current

IOUT(MAX)

Quiescent Current into

VINn

IQ(VIN)

RUNn = 0

μA

BIASn = 5V, SYNCn = 3.3V,

no load

Current into BIASn

IBIASn

RUNn = 0, BIASn = 5V

0.5

μA

BIASn = 5V, SYNCn = 3.3V,

no load

Line Regulation

VLINEREG

5V < VINn < 40V, IOUTn = 1A

0.05

0.3

Load Regulation

VLOADREG

12VINn, 0.1A < IOUTn < 4A

0.1

0.5

Output RMS Ripple

VRIPPLE

3.3VOUTn, IOUTn = 4A

FBn Voltage

VFB

792

800

808

–40°C ≤ TJ ≤

125°C

784

800

816

Current out of FBn

IFB

VOUTn = 1V, FBn = 0V

μA

Minimum BIASn for

Proper Operation

IBIAS

3.2

Switching Frequency

fSW

RTn = 200kΩ

200

kHz

RTn = 35.7kΩ

MHz

RTn = 8.06kΩ

MHz

RUNn Threshold

VRUN(ON)

0.74

RUNn Input Current

IRUN

RUNn = 0V

100

PGn Threshold at FBn

VFBL

Lower threshold

740

VFBH

Upper threshold

860

PGn Output Sink Current

IPG

PGn = 0.1V

100

μA

CLKOUTn VOL

VOL(CLK)

0.2

CLKOUTn VOH

VOH(CLK)

3.2

SYNCn Input High

Threshold

VINH(SYNC)

1.5

SYNCn Input Low

Threshold

VINL(SYNC)

0.8

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