Revision 1.8

7 - 20

AS3833

Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s

Boost controller driver

Driver resistance sink and source

pin GATE

4

6

8

Ω

GATE maximum output voltage

IGATE = 0mA

VDDM

V

GATE voltage rise time

VGATE = 0 to 3V, CLOAD = 3nF

15

25

50

ns

GATE voltage fall time

VGATE = 3 to 0V, CLOAD = 3nF

15

25

50

ns

Boost controller under voltage lockout

Under voltage lockout threshold

+1.28

+1.35

+1.42

V

Under voltage lockout hysteresis

current

20

µ A

Digital pins

Logic high input threshold

+1.8

V

Logic low input threshold

+0.8

V

Logic low output level

PIN xFAULT open drain. I = -2mA

+0.3

V

Input resistance Pull-up inputs

300

k

Ω

Input resistance Pull-down inputs

300

k

Ω

Thermal protection

Thermal shutdown threshold

140

°C

Thermal shutdown hysteresis

30

°C

1. Is is not recommended to set ILED < 50mA in order to minimize influences of offset voltages.

Table 3. Electrical Characteristics (Continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Units