SC410

3

Absolute Maximum Ratings

LX to GND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +28

VIN to PGND, EN/PSV to AGND (V) . . . . . . . . . . . . -0.3 to +28

VIN to LDO (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3

BST to LX (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0

BST to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +34

LDO to AGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0

FB, PGOOD, TON (V) . . . . . . . . . . . . . . . . . . . . -0.3 to LDO +0.3

AGND to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +0.3

Maximum Peak Inductor Current (A) . . . . . . . . . . . . . . . . . 5 . 5

Peak IR Reflow Temperature (°C ). . . . . . . . . . . . . . . . . . . . . 260

Recommended Operating Conditions

Supply Input Voltage (V) . . . . . . . . . . . . . . . . . . . . . . . 5.5 to 24

Maximum Continuous Output Current (A) . . . . . . . . . . . . . 3

Maximum Peak Inductor Current (A) . . . . . . . . . . . . . . . . . 5.0

Thermal Information

Storage Temperature (°C ) . . . . . . . . . . . . . . . . . . -60 to +150

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

Operating Junction Temperature (°C ). . . . . . . -40 to +125

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 (in), 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.

Electrical Characteristics

Unless specified: V

IN

=12V, T

A

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

J

< 125°C, per detailed application circuit

Parameter

Conditions

Min

Typ

Max

Units

Input Supplies

VIN UVLO Threshold

Programmable with EN pin after 2 switching

cycles

1.5

V

VIN UVLO Hysteresis

50

mV

Internal Bias UVLO Threshold

Rising UVLO V

TH

4V

Internal Bias UVLO Hysteresis

0.3

V

VIN Supply Current

V

EN

= 0V

9

μA

I

OUT

= 0A, f

SW

2.5

mA

Controller

FB On-Time Threshold

0.7425

0.75

0.7575

V

Frequency Programming Range

See R

TON

Calculation

200

1000

kHz

Minimum Frequency Range

during Ultrasonic PSAVE

22

kHz

FB Input Bias Current

FB=5V or 0V

-1

+1

μA