SC4212LEVB datasheet(3/13 Pages) SEMTECH

3 / 13 page

SC4212LM

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 standard ANSI/ESDA/JEDEC JS-001-2012.

(2) Tested according to standard JESD-C101E.

(3) 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, VO, PG to GND (V) . . . . . . . . . . . . . . . . . . . . . . -0.3 to 6.5

EN, SS, BYP to GND (V) . . . . . . . . . . . . . . . . -0.3 to VIN + 0.3

FB to GND (V) . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to VIN + 0.3

Power Dissipation. . . . . . . . . . . . . . . . . . . . . Internally Limited

ESD Protection Level HBM(1) (kV) . . . . . . . . . . . . . . . . . . .

ESD Protection Level CDM(2) (kV) . . . . . . . . . . . . . . . . . . .

Recommended Operating Conditions

VIN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.6 ≤V

IN ≤ 6.0

Junction Temperature Range (°C). . . . . . . . . -55≤T

J ≤ +125

Output Current Range . . . . . . . . . . . . . . . . . . . 50µA ≤ I

O ≤ 1A

Thermal Information

Unless noted otherwise T

J = 25° C for typical, -55° C ≤ TJ ≤ 125° C for min and max. VEN = VIN, VFB = VO, VIN = 1.6V to 6.0V, CIN=10µF, COUT=10µF, CBYP

= 470nF.

Parameter

Symbol

Conditions

Min

Typ

Max

Units

VIN

IN operating range

(1)

1.6

6.0

Quiescent current

IN = 3.3V, IO = 0A

325

680

µA

O = 1A

EN =0V

µA

Soft-Start

Soft-start source current

IN = 3.3V

µA

SS without external CSS

250

µs

Feedback

Feedback voltage(2)

O = 10mA to 1A

0.495

0.500

0.505

Feedback pin current

FB = VOUT

200

Line regulation(2)

O = 10mA

0.01

0.2

%/V

Electrical Characteristics

Thermal Resistance, Junction to Ambient (3) (°C/W) . . 36.3

Thermal Resistance, Junction to Case (°C/W) . . . . . . . . 3.77

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

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

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