4

FN6665.5

May 13, 2011

VCC2 POR Threshold

Rising edge

4.35

4.45

4.55

V

Falling edge

4.10

4.20

4.30

V

PWM

Reference Voltage (Note 6)

-0.6

-

V

Regulation Accuracy

VOUT regulated to 0.6V

-1

-

1

%

FB Input Bias Current

FB = 0.6V

-10

-

30

nA

Frequency Range

200

-

600

kHz

Frequency Set Accuracy (Note 7)

-12

-

12

%

VOUT Voltage Regulation Range

VIN > 6V for VOUT = 5.5V

0.6

-

5.5

V

VOUT Soft-Discharge Resistance

-

14

50



POWER-GOOD

PGOOD Pull-Down Impedance

-

32

100



-

95

200



-

63

150



-

32

100



PGOOD Leakage Current

PGOOD = VCC1

-

0

1

µA

Maximum PGOOD Sink Current (Note 6)

-

5

-

mA

PGOOD Soft-start Delay

From EN high to PGOOD high (for one SMPS

channel)

2.20

2.75

3.70

ms

EN2(1) = Floating, from EN1(2) high to

PGOOD2(1) high

4.50

5.60

7.50

ms

GATE DRIVER

UGATE Pull-Up ON-Resistance (Note 6)

200mA source current

-

1.0

1.5



UGATE Source Current (Note 6)

UGATE-PHASE = 2.5V

-

2.0

-

A

UGATE Pull-Down ON-Resistance (Note 6)

250mA source current

-

1.0

1.5



UGATE Sink Current (Note 6)

UGATE-PHASE = 2.5V

-

2.0

-

A

LGATE Pull-Up ON-Resistance (Note6)

250mA source current

-

1.0

1.5



LGATE Source Current (Note 6)

LGATE-PGND = 2.5V

-

2.0

-

A

LGATE Pull-Down ON-Resistance (Note 6)

250mA source current

-

0.5

0.9



LGATE Sink Current (Note 6)

LGATE-PGND = 2.5V

-

4.0

-

A

UGATE to LGATE Deadtime (Note 6)

UG falling to LG rising, no load

-

21

-

ns

LGATE to UGATE Deadtime (Note 6)

LG falling to UG rising, no load

-

21

-

ns

Bootstrap Diode Forward Voltage (Note 6)

2mA forward diode current

-

0.58

-

V

Bootstrap Diode Reverse Leakage Current

-

0.2

1

µA

CONTROL

FCCM Input Voltage

Low level (DCM enabled)

-

-

0.8

V

Float level (DCM with audio filter)

1.9

-

2.1

V

High level (Forced CCM)

2.4

--

V

FCCM Input Leakage Current

FCCM = GND or VCC1

-2

-

2

µA

Electrical Specifications

VIN = 12V. Boldface limits apply over the operating temperature range, -10°C to +100°C. (Continued)

PARAMETER

CONDITIONS

MIN

(Note 8)

TYP

MAX

(Note 8)

UNITS

ISL62381, ISL62382, ISL62383, ISL62381C, ISL62382C, ISL62383C