LTM4709

3

Rev. 0

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ELECTRICAL CHARACTERISTICS The

l

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C (Note 2), COUT = 10µF, per the typical application.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX UNITS

VIN

Input DC Voltage

l

0.6

5.5

V

VBIAS

BIAS Voltage

(Note 3)

l

2.375

5.5

V

VOUT

Regulated Output Voltage, Total

Variation with Line and Load

(Note 5)

VOUT = 0.5V, 10mA ≤ IOUT ≤ 3A, 0.70V ≤ VIN ≤ 0.9V

VOUT = 1.0V, 10mA ≤ IOUT ≤ 3A, 1.2V ≤ VIN ≤ 1.4V

VOUT = 1.2V, 10mA ≤ IOUT ≤ 3A, 1.4V ≤ VIN ≤ 1.6V

VOUT = 3.3V, 10mA ≤ IOUT ≤ 3A, 3.5V ≤ VIN ≤ 3.7V

VOUT = 4.2V, 10mA ≤ IOUT ≤ 3A, 4.4V ≤ VIN ≤ 4.6V

l

l

l

0.4925

0.988

1.182

3.2505

4.137

0.500

1.000

1.200

3.300

4.200

0.5075

1.012

1.218

3.3495

4.263

V

V

V

V

V

∆VOUT(LINE)

Line Regulation to VIN

VOUT = 0.5V, VIN = 0.7V to 5.5V, VBIAS = 2.375V, IOUT = 10mA

VOUT = 4.2V, VIN = 4.4V to 5.5V, VBIAS = 5.5V, IOUT = 10mA

l

l

1.5

1.8

mV

mV

∆VOUT(BIAS)

Line Regulation to VBIAS

VOUT = 0.5V, VBIAS = 2.375V to 5.5V, VIN = 0.7V, IOUT = 10mA

VOUT = 3.3V, VBIAS = 4.5V to 5.5V, VIN = 3.5V, IOUT = 10mA

l

l

0.35

2.5

mV

mV

∆VOUT(LOAD)/VOUT Load Regulation, ∆IOUT = 10mA to 3A

(Note 5)

VBIAS = 2.4V, VIN = 1.4V, VOUT = 1.2V

l

0.26

%

VDO

Dropout Voltage, VIN = VOUT(PROG),

VBIAS ≥ VOUT + 1.2V (Note 4)

IOUT = 1A, VIN = VOUT = 1.2V

l

15

22

33

mV

mV

IOUT = 2A, VIN = VOUT = 1.2V

l

30

44

66

mV

mV

IOUT = 3A, VIN = VOUT = 1.2V

l

45

65

100

mV

mV

Minimum Load

Current

l

10

mA

IBIAS

BIAS Pin Current VIN = 1.4V,

VOUT = 1.2V, VBIAS = 3.3V

IOUT = 10mA

IOUT = 3A

4

5.5

6

7.4

mA

mA

IBIAS(DROPOUT)

BIAS Pin Current in Dropout

(Notes 4 and 5)

VBIAS = VOUT + 1.2V, VIN = VOUT = 1.2V, IOUT = 3A

VBIAS = 5.5V VIN = VOUT = 1.2V, IOUT = 3A

l

5.5

35

7.0

45

mA

IBIAS(SHUTDOWN) BIAS Pin Shutdown Mode Current

VBIAS = 5.5V, EN = 0V

10

μA

IMON

IMON Pin Output Current (Note 5)

IOUT = 3A, VIN = 1.4V, VOUT = 1.2V

IOUT = 1A, VIN = 1.4V, VOUT = 1.2V

l

l

0.98

313

1.0

333.3

1.02

353

mA

μA

IOUT/IMON

IOUT/IMON Ratio (Note 5)

IOUT = 3A, VIN = 1.4V, VOUT = 1.2V

IOUT = 1A, VIN = 1.4V, VOUT = 1.2V

l

l

2970

2970

3000

3000

3030

3030

IMON(OFF)

IMON Shutdown Current

VBIAS = 5.0V, EN = 0V

1

μA

ILIM

Programmable Current Limit

(Note 5)

IMONR Connected to GND

RIMON = 1kΩ

RIMON = 2kΩ

l

l

l

3.2

2.94

1.45

3.3

3.0

1.5

3.4

3.06

1.55

A

A

A

VTH(PG)

VOUT Threshold for Power Good

Percentage of VOUT(NOMINAL), VOUT Rising

Percentage of VOUT(NOMINAL), VOUT Falling

91

88

93

90

95

92

%

%

VPG(LO)

Power Good VOL

IPG = 200μA (Fault Condition)

42

100

mV

IPG(LK)

Power Good VOH Leakage

VPG = VBIAS = 5V

1

μA