3

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

specified in the Electrical Characteristics section is not recommended.

Absolute Maximum Ratings

Recommended Operating Conditions

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

V

Thermal Information

Θ

(2)

…………………………………… 60°C/W

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

Storage Temperature Range ……………… -65°C to +50°C

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

Unless otherwise noted: V

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Input Supply

Maximum Operating V

IN

V

IN(MAX)

20

V

V

V

2.45

2.6

V

Shutdown Supply Current

V

0.0



µA

Quiescent Supply Current

I

Q

V

.3

.8

mA

Control Loop

Feedback Regulation Voltage

V

REF

.20

.22

.24

V

V

V

0.002

0.005

%/V

FB Pin Input Bias Current

I

FB

FB in Regulation

-5

-25

nA

Error Amplifier Transconductance

g

m

V

47

Error Amplifier Open-Loop Gain

A

V

5

dB

COMP to Switch Current Gain

4

A/V

Soft-Start

t

SS

3

ms

Electrical Characteristics

IN to GND………………………………………… -0.3V to 24V

SW …………………………………………………-0.3V to 45V

EN ……………………………………………-0.3V to V

FB …………………………………………… -0.3V to V

COMP ……………………………………… -0.3V to V

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.

Notes:

(3) Time taken for the error amplifier soft-start input to rise from 0 to .22V.

SC2308A