SC656

4

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Current Transition Settling Time

t

s

0.5

s

ENM/ENS Low Time

t

LT

Time that voltage on ENM or ENS can be low with-

out disabling the device

5

ms

x Mode to .5x Mode

Falling Transition Voltage

V

TRANSx

I

3.26

V

.5x Mode to 2x Mode

Falling Transition Voltage

V

TRANS.5x

I

(3)

2.90

V

Current Sink Off-State

Leakage Current

I

BLn(off)

V

0.



µA

Charge Pump Frequency

f

PUMP

V

250

kHz

Output Short Circuit Current Limit

I

OUT(SC)

OUT pin shorted to GND

50

mA

V

400

Under Voltage Lockout Threshold

V

UVLO

Increasing V

2.4

V

UVLO Hysteresis

V

UVLO-HYS

500

mV

Over-Voltage Protection

V

OVP

OUT pin open circuit, V

5.7

6.0

V

Over-Temperature

T

OT

Rising Temperature

65

°C

OT Hysteresis

T

OT-HYS

25

°C

Digital Logic Pins — ENM, ENS, BANK2, AND BANK1

Input High Threshold

V

IH

V

.4

V

Input Low Threshold

V

IL

V

0.4

V

Input High Current

I

IH

V



µA

Input Low Current

I

IL

V



µA

Electrical Characteristics (continued)

Notes:

() Guaranteed by design

(2) Current matching equals ± [I

(3) Test voltage is V

(4) The settling time is affected by the magnitude of change in the PWM duty cycle.