Electrical Characteristics (Cont.)

Parameter

Symbol

Conditions

Min

Typ

Max

Units

P-Channel On Resistance

R

DSP

I

0.35

Ω

N-Channel On Resistance

R

DSN

I

0.25

Ω

Start-Up Time

t

START

5

ms

Oscillator Frequency

f

OSC

0.85

1.1

1.25

MHz

SYNC Frequency (upper)

f

SYNCU

1.25

MHz

SYNC Frequency (lower)

f

SYNCL

0.75

MHz

Thermal Shutdown

T

HI

145

°C

Thermal Shutdown

Hysteresis

T

HYSR

10

°C

UVLO Threshold

V

UVL

Decreasing V

IN

2.4

2.5

2.6

V

UVLO Hysteresis

V

UVLHYS

50

mV

V

IH

1.6

V

V

IL

0.6

V

Notes:

(1) See Output Voltage Options table in the Application Information section.

(2) For ENA, ENB, SYNC, CTLA0, CTLA1, CTLA2, CTLB0, CTLB1, CTLB2.

3

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POWER MANAGEMENT