High Efficiency 1MHz, Step up Regulator

EC4513

Page 5 of 15

3G16N-Rev.P001

Electrical Characteristics

The following specifications apply for VIN =6V TA=25 oC, unless specified otherwise.

Symbol

Parameter

Test Conditions

EC4513

Unit

Min.

Typ.

Max.

INPUT SUPPLY CURRENT AND UVLO

BP Under Voltage Lockout Threshold VIN rising

2.4

2.5

2.6

V

UVLO Hysteresis

100

-

mV

VIN Supply Current

EN=5V, switching

-

9

15

mA

EN=0V

-

-

1

uA

ERROR AMPLIFIER

gm

Error Amplifier Transconductance

350

‐

uA/V

COMP Output Current

‐

50

‐

uA

FB Voltage

485

500

515

mV

Minimum FB Voltage

188

200

212

mV

FB Input Bias Current

‐

1

uA

FB Line Regulation

‐

0.02

0.04

%/V

INTERNAL POWER SWITCH

Power Switch Current-

Limit

2.5

3.5

4.5

A

Power Switch On Resistance

50

100

mΩ

LX Leakage Current

-

-

1

uA

Switching Frequency

0.9

1.2

1.5

MHz

LX Maximum Duty Cycle

92

95

98

%

ALS

ALS Ratio

2.9

3

3.1

V/V

ALS Pin Leakage

-

-

1

uA

OUTPUT OVER-VOLTAGE PROTECTION

Over-Voltage Threshold

30

32

34

V

OVP Hysteresis

2

3

4

V

OVP Leakage Current

-

30

uA

CONTROL LOGIC PIN

EN High-Level Input Voltage

2.4

V

EN Low-Level Input Voltage

0.4

V

EN Leakage Current

-

-

1

uA

THERMAL SHUTDOWN

Thermal Shutdown Threshold

150

-

℃

Thermal Shutdown Hysteresis

50

-

℃