SC419

3

LX to PGND (V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 to +30

LX to PGND (V) (transient — 100ns) . . . . . . . . . . . -2 to +30

DH, BST to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +35

DH, BST to LX (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6

DL to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6

VIN to PGND (V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +30

EN, FB, ILIM, to AGND (V) . . . . . . . . . . . -0.3 to +(VDDA + 0.3)

PGOOD, PSV, VOUT to AGND (V) . . . . -0.3 to +(VDDA + 0.3)

TON to AGND (V). . . . . . . . . . . . . . . . . . . -0.3 to +(VDDA -1.5)

VDDP to PGND, VDDA to AGND (V) . . . . . . . . . . . . 0.3 to +6

VDDA to VDDP (V) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +0.3

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

Recommended Operating Conditions

Input Voltage (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 to 28

VDDA to AGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5 to 5.5

VDDP to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5 to 5.5

VOUT to AGND (V). . . . . . . . . . . . . . . . . . . . . . . 0.5 to VDDA

Thermal Information

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

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

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

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

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) This device is ESD sensitive. Use of standard ESD handling precautions is required.

(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.

Unless specified: V

Electrical Characteristics

Parameter

Conditions

Min

Typ

Max

Units

Input Supplies

Input Supply Voltage

3

28

V

VDDA, VDDP Voltage

4.5

5.5

V

VDDA UVLO Threshold

Measured at VDDA pin, rising edge

3.7

3.9

4.1

V

Measured at VDDA pin, falling edge

3.5

3.6

3.75

VDDA UVLO Hysteresis

0.3

V

VIN Supply Current

EN = AGND

8.5

20

μA

VDDA + VDDP Supply Current

EN = AGND

3

7

μA

EN = 5V, R

(1)

3

mA

EN = 5V, PSV = open (float), V

(1)

0.7

Operating f

(1)

10

FB On-Time Threshold

Static VIN and load, 0 to +85 °C

0.496

0.500

0.504

V

Static VIN and load, -40 to +85 °C

0.495

0.505

V