LTM4710-1

3

Rev. 0

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SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Input DC Voltage

l

2.5

5.5

V

VOUT(RANGE)

Output Voltage Range

l

0.5

3.6

V

VIN_UVLO

VIN Undervoltage Lockout

VIN Rising

2.0

2.1

2.2

V

VIN_UVLO_HYS

VIN Undervoltage Lockout Hysteresis

150

mV

VRUN

RUN Pin On-Threshold

VRUN Rising

0.375

0.4

0.425

V

VRUN_HYS

RUN Pin Hysteresis

75

mV

IRUN

RUN Pin Leakage Current

RUN = 0.4V

±20

nA

IQ(VIN)

Input Supply Current

VOUT = 0.5V, MODE = FLOAT, FCM

Shutdown, RUN = 0V (Note 5)

50

2

mA

µA

IOUT(DC)

Output Continuous Current Range

VOUT = 0.5V (Note 3)

8

A

ΔVOUT (LINE)/VOUT

Line Regulation Accuracy

VOUT = 0.5V, VIN = 2.5V to 5.5V, IOUT = 0A

0.2

%/V

ΔVOUT (LOAD)/VOUT

Load Regulation Accuracy

VOUT = 0.5V, IOUT = 0A to 8A

l

0.5

1.5

%

VOUT(AC)

Output Ripple Voltage

IOUT = 0A, VOUT = 0.5V

12

mV

ISSTT

Track Pin Soft-Start Pull-Up Current

VSSTT = 0.5V

7

10

13

μA

VFB

Voltage at VFB Pin

l

0.495

0.50

0.505

V

IFB

Current at VFB Pin

(Note 4)

±20

nA

tON(MIN)

Minimum On-Time

40

ns

VPG

Power Good Rising Threshold

Power Good Overvoltage Threshold

VFB as a Percentage of Regulated VOUT

VFB as a Percentage of Regulated VOUT

98

110

%

%

IPG

Power Good Leakage

VPG = 5.5V

50

nA

fOSC

Oscillator Frequency Range

1

5

MHz

SYNC_RANGE

Synchronization Frequency Range

RT = VIN

1.2

2.6

MHz

SYNC_LEVEL Input

Clock Level High

Clock Level Low

RT = VIN

1.2

0.4

V

V

ELECTRICAL CHARACTERISTICS The

l

denotes the specifications which apply over specified internal

operating junction temperature range (Note 2), otherwise specifications are at TA = 25°C, VIN = 3.3V, per the typical application.

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

Note 2: The LTM4710-1 is tested under pulsed load conditions such

that TJ ≈ TA. The LTM4710E-1 is guaranteed to meet performance

specifications over the 0°C to 125°C internal operating temperature

range. Specifications over the full –40°C to 125°C internal operating

temperature range are assured by design, characterization and correlation

with statistical process controls. The LTM4710I-1 is guaranteed to meet

specifications over the full –40°C to 125°C internal operating temperature

range. Note that the maximum ambient temperature consistent with

these specifications is determined by specific operating conditions in

conjunction with board layout, the rated package thermal resistance and

other environmental factors.

Note 3: See output current thermal derating curves for different VIN, VOUT

and TA.

Note 4: Wafer sort tested.

Note 5: Guaranteed by design.