ISL9305

6

FN7605.0

November 8, 2010

Output Voltage Accuracy

1mA load

-3

-

+3

%

Line Regulation

-

0.1

-

%/V

Maximum Output Current

800

-

-

mA

P-Channel MOSFET ON-resistance

-

0.14

0.2

Ω

-

0.24

0.40

Ω

N-Channel MOSFET ON-resistance

-

0.11

0.2

Ω

-

0.18

0.34

Ω

P-Channel MOSFET Peak Current Limit

1.075

1.3

1.6

A

SW Maximum Duty Cycle

-

100

-

%

SW Leakage Current

-

0.005

1

µA

PWM Switching Frequency

2.6

3.0

3.4

MHz

SW Minimum ON-time

VFB = 0.75V

-

70

-

ns

Bleeding Resistor

-

115

-

Ω

PG

Output Low Voltage

Sinking 1mA, FB1 = FB2 = 0.7V

-

-

0.25

V

Rising Delay Time

Based on 1ms programmed nominal delay

time

0.6

1.1

1.8

ms

Falling Delay Time

Based on 1ms programmed nonimal delay

time

-30

-

µs

PG Pin Leakage Current

PG = VINDCD1 = VINDCD2 = 3.6V

-

0.005

0.1

µA

PG Low Rising Threshold

Percentage of nominal regulation voltage

-

91

-

%

PG Low Falling Threshold

Percentage of nominal regulation voltage

-

87

-

%

PG High Rising Threshold

Percentage of nominal regulation voltage

-

112

-

%

PG High Falling Threshold

Percentage of nominal regulation voltage

-

109

-

%

LDO1 AND LDO2

VINLDO1, VINLDO2 Supply Voltage

No higher than VINDCD1

1.5

-

5.5

V

VINLDO1, VINLDO2 Undervoltage

Lock-out Threshold

VINDCD1 = 2.3V, Rising

-

1.41

1.46

V

VINDCD1 = 2.3V, Falling

1.33

1.37

-

V

Internal Peak Current Limit

350

425

540

mA

Dropout Voltage

-

125

250

mV

-

100

200

mV

-

80

170

mV

Power Supply Rejection Ratio

-55

-

dB

Output Voltage Noise

to 100kHz

-45

-

NOTE:

6. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.

Electrical Specifications

Unless otherwise noted, all parameter limits are guaranteed over the recommended operating conditions and

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

(Note 6)

TYP

MAX

(Note 6)

UNIT