SC21150ACSTRT datasheet(4/20 Pages) SEMTECH

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SC21150

Absolute Maximum Ratings

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

EN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 to +(VIN+0.3)

FB, FPWM (V) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +(VIN+0.3)

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

ESD Protection Level (kV)() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Recommended Operating Conditions

Input Voltage Range (V) . . . . . . . . . . . . . . . . . . . . . . . . 2.3 to 5.5

Output Voltage Range (V) . . . . . . . . . . . . . . . . . . . . . . . . 0.8 to 3.6

Maximum Continuous Current (A). . . . . . . . . . . . . . . . . . . . . .2

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

J < +25

Thermal Information

Thermal Resistance Junction to Ambient(2) (°C/W )

WLCSP package. . . . . . . . . . . . . . . . . . . . . . . . . . . . .00

Maximum Junction Temperature (°C) . . . . . . . . . . . . . . +50

Operating Junction Temperature (°C ). . . . . . . -40 to +25

Storage Temperature Range (°C) . . . . . . . . . . . . -65 to +50

Peak IR Reflow Temperature (0s to 30s) (°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:

() Tested according to JEDEC standard JESD22-A4-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 JESD5 standards.

Electrical Characteristics

Unless otherwise noted VIN = 5.0V, CIN = 4.7μF, COUT = 0μF, L = 0.47μH, EN = VIN, T

J = -40 to +85°C. Typical values are at TA = 25°C.

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Input Supply

Input Supply Voltage Range

VIN

2.3

5.5

Shutdown Current

ISD

EN = 0V

μA

Quiescent Current

Operating, No Load, Power Save Option

μA

Under Voltage Lock Out Threshold

UVLOrise

VIN rising edge

2.05

2.6

2.27

Under Voltage Lock Out Hysteresis

UVLOhyst

Output Voltage(1)

Feedback Voltage

VFB

Adjustable Vout

0.80

Feedback Voltage Tolerance

VFBtol

Adjustable Vout

-2

+/-

Feedback Input Leakage Current

IFB

Adjustable Vout

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