SC623A

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-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 JESD51 standards.

Absolute Maximum Ratings

VIN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0

VOUT (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0

C1+, C2+ (V) . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (V

OUT

+ 0.3)

Pin Voltage — All Other Pins (V) . . . . . . . . . -0.3 to (V

IN

+ 0.3)

VOUT Short Circuit Duration. . . . . . . . . . . . . . . . Continuous

Recommended Operating Conditions

Ambient Temperature Range (°C) . . . . . . . . -40 < T

A

< +85

VIN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 < V

IN

< 5.5

VOUT (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 < V

OUT

< 5.25

Voltage Difference between any two LEDs (V) . . . . . . <1.2

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, T

A

= +25°C for Typ, -40ºC to +85°C for Min and Max, T

J(MAX)

= 125ºC, V

IN

= 3.0V to 4.2V, C

IN

= C

1

= C

2

= 2.2μF,

C

OUT

= 4.7μF (ESR = 0.03Ω), ΔV

F

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Supply Specifications

Shutdown Current

I

Q(OFF)

Shutdown, V

IN

= 4.2V

0.1

2

μA

Total Quiescent Current

I

Q

Sleep, EN = V

IN

100

160

μA

Charge pump in 1x mode, 4 backlights on

3.8

4.65

mA

Charge pump in 1.5x mode, 4 backlights on

4.6

5.85

Charge pump in 2x mode, 4 backlights on

4.6

5.85

Fault Protection

Output Short Circuit

Current Limit

I

OUT(SC)

VOUT pin shorted to GND

300

mA

Over-Temperature

T

OTP

160

°C

t

FL(MAX)

Flash sink active

0.75

1.00

1.25

s

Electrical Characteristics