AL8820

Document number: DS37369 Rev. 1 - 2

4 of 15

www.diodes.com

December 2014

© Diodes Incorporated

AL8820

Parameters

Symbol

Conditions

Min

Typ

Max

Unit

Input Supply

VIN Pin Voltage

–

5

–

36

V

Quiescent Current

No Switching

–

1

–

mA

Under-Voltage Lockout Voltage

–

4.2

–

V

UVLO Hysteresis

–

–

500

–

mV

VCC Regulator

VCC Pin Voltage

–

4.5

5

5.5

V

Source Current Capability

–

10

–

–

mA

Load Regulation

–

–

–

4

–

%

Integrated NMOS_BUCK

MOS Voltage Stress (Note 6)

–

–

40

–

V

MOS Current Stress (Note 6)

–

–

2

–

A

–

–

250

–

m

Ω

Integrated NMOS_BOOST

MOS Voltage Stress (Note 6)

–

–

40

–

V

MOS Current Stress (Note 6)

–

–

2

–

A

–

–

250

–

m

Ω

Compensation and Soft Start (COMP Pin)

Error Amplifier Trans-conductance

GEA

–

–

1000

–

µA/V

Sourcing Current

–

68

–

µA

Sinking Current

–

68

–

µA

FB Pin Voltage

–

1.18

1.22

1.26

V

FB OVP Voltage

–

1.59

1.66

1.75

V

FB OVP Voltage Hysteresis

–

0.15

0.2

0.25

V

Hysteresis Competitor (Boost)

Boost Sense Voltage Low Level

–

-90

–

mV

Hysteresis Current

–

85

100

115

µA

Hysteresis Competitor (Buck)

Buck Sense Voltage High Level

–

–

115

–

mV

Buck Sense Voltage Low Level

–

–

85

–

mV

Buck Sense Voltage Average Level

–

95

100

105

mV

Over-Temperature Protection

Thermal Shutdown (Note 6)

–

+140

+160

–

ºC

Thermal Shutdown Hysteresis (Note 6)

–

–

+40

–

ºC

Note 6:

These parameters, although guaranteed by design, are not 100% tested in production.