NCP6324, NCV6324

www.onsemi.com

4

Symbol

Characteristics

Test Conditions

Min

Typ

Max

Unit

SUPPLY VOLTAGE

(Note 10)

2.5

−

5.5

V

SUPPLY CURRENT

EN high, no load, no switching, PFM Mode

EN high, no load, Forced PWM Mode

−

−

30

5.7

−

−

mA

mA

EN low (Note 9 for NCP6324)

−

−

1

mA

OUTPUT VOLTAGE

Output Voltage Range

(Note 7)

0.6

−

V

FB Voltage

PWM Mode

594

600

606

mV

FB Voltage in Load Regulation

PWM mode (Note 7)

−

−0.5

−

%/A

FB Voltage in Line Regulation

0.5 V, 2.5 V) to 5.5 V, PWM mode (Note 7)

−

0

−

%/V

Maximum Duty Cycle

(Note 7)

−

100

−

%

OUTPUT CURRENT

Output Current Capability

(Note 7)

2.0

−

−

A

Output Peak Current Limit P−Channel

2.3

2.8

3.3

A

Output Peak Current Limit N−Channel

0.9

A

VOLTAGE MONITOR

−

−

2.4

V

60

140

200

mV

Power Good Low Threshold

(percentage of FB voltage) (Note 8)

87

90

92

%

Power Good Hysteresis

(percentage of Power Good Low Threshold

0

5

7

%

Power Good High Delay in Start Up

From EN rising edge to PG going high.

(Note 8)

−

1.15

−

ms

Power Good Low Delay in Shut Down

From EN falling edge to PG going low.

(Notes 7 and 8)

−

8

−

ms

Power Good High Delay in Regulation

level to PG going high.

Not for the first time in start up. (Notes 7

and 8)

−

5

−

ms

Power Good Low Delay in Regulation

level to PG going low. (Notes 7 and 8)

−

8

−

ms

VPG_L

Power Good Pin Low Voltage

Voltage at PG pin with 5 mA sink current

(Note 8)

−

−

0.3

V

PG_LK

Power Good Pin Leakage Current

3.6 V at PG pin when power good valid

(Note 8)

−

−

100

nA

INTEGRATED MOSFETs

High−Side MOSFET ON Resistance

−

−

160

130

200

−

m

W

Low−Side MOSFET ON Resistance

−

−

110

100

140

−

m

W

7. Guaranteed by design, not tested in production.

8. Power Good function is for NCx6324B devices only.

10. Operation above 5.5 V input voltage for extended periods may affect device reliability. At the first power−up, input voltage must be > 2.6 V.