3

Exceeding the above specifications may result in permanent damage to the device or the device may malfunction. Operation outside of the

parameters specified in the Electrical Characteristics section is not recommended.

NOTES:

() Tested according to JEDEC standard JESD22-A4-B.

(2) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD5 standards.

Electrical Characteristics

Unless otherwise noted: V

Absolute Maximum Ratings

IN ………………………………………………… -0.3V to 32V

SW/2 ……………………………………………… -0.6V to V

IN

BST/2 …………………………………………… -0.3V to 42V

BST/2 Voltage Above SW/2 ……………………… -4V to 36V

SS/2, COMP/2, ROSC …………………………… -0.3V to 3V

SYNC …………………………………………………-0.3V to 6V

SYNC Pin Current ……………………………… -mA to 5mA

FB/2 ……………………………………………… -0.3V to 7V

PGOOD/2 ………………………………………… -0.3V to V

IN

Recommended Operating Conditions

Maximum Junction Temperature …………………… +50 °C

Storage Temperature Range

……………… -65°C to +50°C

Peak IR Reflow Temperature (0s to 30s) …………… +260°C

Thermal Information

Junction Temperature Range ………………… -40°C to +05°C

V

2.8V to 30V

SC2440A

Parameter

Conditions

Min

Typ

Max

Units

Input Supply

Maximum Operating V

IN

30

V

V

V

2.6

2.7

2.8

V

V

90

mV

Shutdown Supply Current

V

27

40

µA

Quiescent Supply Current

Not Switching, PGOOD,2 Open

4.

5.5

mA

Control Loops

Feedback Voltage

0.980

.000

.020

V

Feedback Voltage Line Regulation

V

0.006

%/V

FB Pin Input Bias Current

-00

-200

nA

Error Amplifier Transconductance

280

Error Amplifier Open-loop Gain

53

dB

COMP Sourcing Current

V

6

µA

COMP Sinking Current

V

8

µA

COMP Maximum Voltage

V

.7

V

COMP to Switch Current Gain

7.5

A/V

COMP Switching Threshold

0.7

.0

.3

V