SC122

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.

NOTES:

(1)

Tested according to JEDEC standard JESD22-A114.

(2)

Calculated from package in still air, mounted to 3 x 4.5 (in), 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.

Absolute Maximum Ratings

IN, OUT, LX (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0

EN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (V

IN

+ 0.3)

Recommended Operating Conditions

Ambient Temperature Range (°C). . . . . . . . . . . . . . 0 to +70

V

IN

(V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.7 to 1.6

V

OUT

(V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3

Thermal Information

Maximum Junction Temperature (°C) . . . . . . . . . . . . . . . 150

Storage Temperature Range (°C) . . . . . . . . . . . -65 to +150

Peak IR Reflow Temperature (10s to 30s) (°C) . . . . . . +260

Unless otherwise noted V

IN

= 1.2V, C

IN

= C

OUT

= 22μF, L

1

= 4.7μH, T

A

= 0 to +70°C. Typical values are at T

A

= 25°C.

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Input Voltage Range

V

IN

0.7

1.6

V

Output Voltage

V

OUT

3.3

V

Output Accuracy

V

OUT-tol

V

EN

= V

IN

-3

3

%

Minimum Startup Voltage

V

IN-SU

I

OUT

< 1mA

0.85

V

I

OUT-Q

V

EN

= V

IN

, I

OUT

= 0mA, V

OUT

= 3.3V

40

μA

Disabled OUT Leakage Current

I

OUT-DIS

V

EN

= 0, V

OUT

= 3.3V (externally forced)

2

μA

Disabled IN Quiescent Current

I

IN-DIS

V

EN

= 0, V

IN

= 1.6, V

OUT

= 3.3V (externally forced)

4

μA

Shutdown Current

I

IN-SHDN

V

EN

= 0V, V

IN

= 1.6V, V

OUT

= 0V

8.5

μA

Internal Oscillator Frequency

f

OSC

while bursting

1.2

MHz

Startup Time

t

SU

From V

EN

low-to-high transition

1

ms

Minimum V

IN

V

IN-Restart

Lowest V

IN

to ensure re-enable within 300μs,

V

OUT

= 3.1V (externally forced)

1.0

V

P-Channel ON Resistance

R

DS(ON)P

I

LX

= 50mA

0.6

Ω

N-Channel ON Resistance

R

DS(ON)N

I

LX

= 50mA, V

IN

=1.6V

0.5

Ω

P-Channel Startup Current Limit

I

LIM(P)-SU

V

IN

= 1.2V, V

EN

> V

IH

100

mA

Electrical Characteristics