External Four-Input Feedback Integrator for

Power Supplies

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

erwise noted.)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

SHDN INPUT

Logic Input Voltage High

2.0

V

Logic Input Voltage Low

0.6

V

Logic Input Current

-1

1

µA

ELECTRICAL CHARACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage Range (V+)

2.7

5.5

V

Shutdown Supply Current (V+)

SHDN = GND

1

µA

Quiescent Supply Current (V+)

SHDN = V+

35

µA

UVLO Threshold, Rising

2.6

V

UVLO Threshold, Falling

2.3

V

INTEGRATOR INPUTS IN1–IN4

IN_ Voltage Range

0

5.5

V

IN_ Offset

-20

20

mV

IN_ Scale Factor

3.98

4.02

V/V

IN_ Transconductance

12

60

µS

IN_ Bias Current

2.7

µA

IN_ Shutdown Current

SHDN = GND

0.2

µA

IN_ Leakage Current

0.2

µA

IN_ Disable Threshold

87

93

%

ADJ INPUT

ADJ Voltage Range

0.7

1.4

V

ADJ Bias Current

-30

30

nA

ADJ Shutdown Current

SHDN = GND

0.2

µA

ADJ Leakage Current

0.2

µA

COMP OUTPUT

COMP Source Current

1.6

2.4

µA

COMP Sink Current

1.6

2.4

µA

COMP Output Voltage Low

Sink 1

0.2

V

COMP Output Voltage High

Source 1

2.4

V

OUT Output Voltage Low

0.2

V

0.1

0.1

OUT Output Leakage Current

0.1

µA

OUT Transconductance

3

23

µS