ACE7212E

18V, 2A, High Efficiency Synchronous Step-Down Converter

VER 1.1

4

Electrical Characteristics

Parameter

Conditions

Min

Typ

Max

Unit

Input Voltage Range

4.5

18

V

Input UVLO

Rising, Hysteresis=320mV

4.05

V

Input OVP

Rising, Hysteresis=0.9V

19

V

Input Supply Current

VFB=0.85V, no switching

177

µA

Input Shutdown Current

7

14

µA

FB Voltage

0.785

0.800

0.815

V

FB Input Current

0

1

µA

Switching Frequency

700

kHz

Maximum Duty Cycle

97

%

Short Circuit Hiccup Time

On Time

2

mS

Off Time

6

mS

FB Hiccup Threshold

0.6

V

High Side Switch On Resistance

130

mΩ

Low Side Switch On Resistance

65

mΩ

High Side Current Limit

3.0

A

SW Leakage Current

IN=SW=12V

10

µA

EN Rising Threshold

Rising, Hysteresis=90mV

1.2

V

EN Input Current

VEN=2V

2

3

uA

Thermal Shutdown

Rising, Hysteresis =36°C

150

°C