SC4541

3

Absolute Maximum Ratings

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

V

Recommended Operating Conditions

Supply IN Voltage (V) .......................... 2.9 to 22

Maximum Output Voltage (V) ....................... 25

Ambient Temperature Range (°C) ............ -40 to +85

Thermal Information

MLPD-UT6(°C/W) ................................ 75

SOT23-6(°C/W).................................. 150

Maximum Junction Temperature (°C) ............. +125

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

Peak IR Reflow Temperature (10s to 30s) (°C) ....... +300

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Input Voltage

V

IN

2.9

22

V

Supply Current

I

IN(Q)

V

1.5

3

mA

Shutdown Supply Current

I

IN(SHDN)

EN=0V

1

µA

EN Logic High Voltage

V

EN(H)

2

V

EN Logic Low Voltage

V

EN(L)

0.4

V

EN Logic Bias Current

I

1

µA

Boost Converter Characteristics

Switching Frequency

f

SW

1.6

2.0

2.4

MHz

Maximum Duty Cycle

D

MAX

84

%

Switch Current limit

I

LIMIT

260

350

450

mA

Switch Leakage Current

I

SW

V

0.1

5

µA

Switch Saturation Voltage

V

SAT

I

200

mV

OUT Over-Voltage Protection

V

OUT(OVP)

T

25.5

28.0

V

Schottky Forward Drop

V

F(D)

I

0.7

V

Supply IN Voltage(V) . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 26

SW Voltage, OUT Voltage(V) . . . . . . . . . . . . . . . . . -0.3 to 28

FB, Enable Voltage(V) ..................... -0.3 to VIN+0.3