SC21152

3

Absolute Maximum Ratings

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

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

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

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

Recommended Operating Conditions

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

Output Voltage Range, Adjustable VOUT (V) . . . 0.8 to VIN

Output Voltage Range, Fixed VOUT (V) . . . . . . . . . . 0.8 to 3.6

Maximum Continuous Current (A). . . . . . . . . . . . . . . . . . . . . 1.2

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

Thermal Information

MLPD package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120

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

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

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

Peak IR Reflow Temperature (10s 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:

(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 otherwise noted VIN = 5.0V, CIN = 4.7μF, COUT = 10μF, L = 0.47μH, EN = VIN, T

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Input Supply

Input Supply Voltage Range

VIN

2.3

5.5

V

Shutdown Current

ISD

EN = 0V

0.1

μA

Quiescent Current

IQ

Operating, No Load, Power Save Option

21

μA

Under Voltage Lock Out Threshold

UVLOrise

VIN rising edge

2.05

2.16

2.27

V

Under Voltage Lock Out Hysteresis

UVLOhyst

85

mV

Output Voltage

Feedback Voltage

VFB

Adjustable VOUT Option only

0.80

V

Feedback Voltage Tolerance

VFBtol

PWM operation, 500mA load

-2

+/- 1

+2

%

Feedback Input Leakage Current

IFB

Adjustable VOUT Option

1

25

nA

Output Voltage Range

Vout

Adjustable Output Voltage

0.8

VIN

V