Data Sheet

LT3077

analog.com

Rev. 0

5 of 38

(All typical specifications are at TJ (Junction Temperature) = 25°C and all min and max specifications are across

the entire operating temperature range unless otherwise noted. COUT = 22μF, CREF= 4.7μF, CBIASF = 2.2μF, RILIM =

0.8kΩ, unless otherwise noted. )

PARAMETER

SYMBOL

CONDITIONS/COMMENTS

MIN

TYP

MAX

UNITS

Dropout Voltage2

VDO

VIN = VOUT(NOMINAL),

VBIAS ≥ VOUT + 1.2V,

IOUT = 1A

TJ = 25°C

30

44

mV

65

VIN = VOUT(NOMINAL),

VBIAS ≥ VOUT + 1.2V,

IOUT = 2A

TJ = 25°C

60

85

130

VIN = VOUT(NOMINAL),

VBIAS ≥ VOUT + 1.2V,

IOUT = 3A

TJ = 25°C

85

105

190

Minimum Load Current

IOUT(MIN)

VOUT ≥ 0.8V

10

mA

VOUT < 0.8V

50

Ground Pin Current

IGND

VBIAS = 5.5V, VIN = 1.5V, VOUT = 1.2V, IOUT

= 10mA

4.3

6.5

mA

VBIAS = 5.5V, VIN = 1.5V, VOUT = 1.2V, IOUT

= 3A

5.2

7

BIAS Pin Current

IBIAS

VIN = 1.5V, VOUT= 1.2V, VBIAS = 3.3V, IOUT

= 10mA

4.3

6.5

mA

VIN = 1.5V, VOUT = 1.2V, VBIAS = 3.3V, IOUT

= 3A

5.8

8

BIAS Pin Current in

Dropout2

IBIAS_DO

VBIAS = VOUT +1.2V, VIN = VOUT(NOMINAL), IOUT

= 3A

5.4

7.5

mA

VBIAS = 5.5V, VIN = VOUT(NOMINAL), IOUT = 3A

35

50

BIAS Pin Nap Mode

Current

IBIAS_NAP

VBIAS = 5.5V, EN = 0V

10

μA

IN Pin Nap Mode Current IIN_NAP

VIN = 5.5V, EN = 0V

20

170

μA

IOUT/ILIM Ratio

IOUT = 3A, VIN – VOUT = 0.2V

3000

IOUT = 1A, VIN – VOUT = 0.2V

3000

ILIM Shutdown Current

VBIAS = 5.0V, EN = 0V

5

μA

A N A L O G D E V I C E S

C O N F I D E N T I A L