Data Sheet

LT3077

analog.com

Rev. 0

6 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

Programmable Current

Limit3

ILIM(P)

RILIM = 1kΩ

2.7

3.0

3.3

A

RILIM = 3kΩ

0.85

1.0

1.16

Internal Current Limit3

ILIM(I)

VIN = 1.5V, ΔVOUT = -5%, VBIAS = 5.5V

3.3

4.5

5.5

A

VOUT Threshold for Power

Good

Percentage of VOUT(NOMINAL), VOUT Rising

91

93

95

%

Percentage of VOUT(NOMINAL), VOUT

Falling

88

90

92

PG VOL

IPG = 200μA (Fault Condition)

60

100

mV

PG VOH Leakage

VPG = VBIAS = 5V

1

μA

Fast Start-Up REF Pin

Current

2

mA

Fast Start-Up Turn Off

Threshold

Measured as percentage of nominal

REF pin voltage

96

98.8

101.5 %

Thermal Shutdown

TJ Rising

168

°C

Hysteresis

7

VBIAS Undervoltage

Lockout

EN = VBIAS, VIN = 0V, VOUT = 0V, VBIAS

Rising

2.16

2.2

2.24

V

EN = VBIAS, VIN = 0V, VOUT = 0V, VBIAS

Falling

2.03

2.07

2.11

VIN Undervoltage

Lockout

VIN Rising

450

462.5

475

mV

VIN Falling

400

412.5

425

VIL Input Threshold

(Logic-0 State) VO0, VO1,

VO2

Input Falling

0.3

V

VIZ Input Range (Logic-Z

State) VO0, VO1, VO2

0.95

1.15 V

VIH Input Threshold

(Logic-1 State) VO0, VO1,

VO2

Input Rising

1.97 V

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