NCP1508MNR2G datasheet(5/15 Pages) ONSEMI

Part #	NCP1508MNR2G

Description	Up to 500 mA, 1 MHz, High Efficiency Synchronous Step?묭own DC?묭C Converter in DFN Package

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1508

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ELECTRICAL CHARACTERISTICS (continued) (Vin = 3.6 V, Vo = 1.5 V, TA = 25°C, Fsyn = 600 kHz 50% Duty Cycle square wave

for PWM mode; TA = –30 to 85°C for Min/Max values, unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

SYNC PWM Mode Characteristics (continued)

Feedback Voltage Accuracy, Vout Set = 1.0 V CB0 = L, CB1 = L, Iout = 300 mA

Vout

0.950

1.000

1.050

V

Feedback Voltage Accuracy, Vout Set = 1.3 V CB0 = L, CB1 = H, Iout = 300 mA

Vout

1.261

1.300

1.339

V

Feedback Voltage Accuracy, Vout Set = 1.5 V, CB0 = H, CB1 = H, Iout = 300 mA

Vout

1.450

1.500

1.550

V

Feedback Voltage Accuracy, Vout Set = 1.89 V, CB0 = H, CB1 = L, Iout = 300 mA

Vout

1.833

1.890

1.947

V

Line Regulation, Vin = 2.7 V−3.6 V, Iout = 100 mA

−

−15

−

+15

mV

Line Regulation, Vin = 3.6 V−5.2 V, Iout = 100 mA

−

−15

−

+15

mV

Load Regulation, Iout = 100 mA−300 mA

−

−15

−

+15

mV

Load Transient Response, 10 to 100 mA Load Step

Vout

−

50

−

mV

Line Transient Response, Iout = 100 mA, 3.0 to 3.6 Vin Line Step

Vout

−

"5.0

−

mVpp

PWM Mode with Internal Oscillator Characteristics

Switching P−FET Current Limit

Ilim

−

800

−

mA

Duty Cycle (Note 2)

DC

−

100

%

Minimum On Time

Ton(min)

−

75

−

nsec

Internal Oscillator Frequency − TA = 25°C

–30°C ≤ TA ≤ 85°C

Fosc

760

700

980

1240

kHz

RDS(on) Switching P−FET and N_FET

RDS(on)

−

0.23

−

W

Switching P−FET and N−FET Leakage Current

Ileak

−

0

10

mA

Output Overvoltage Threshold

Vo

−

5.0

−

%

Feedback Voltage Accuracy, Vout Set = 1.0 V, CB0 = L, CB1 = L,

Iout = 300 mA

Vout

0.950

1.000

1.050

V

Feedback Voltage Accuracy, Vout Set = 1.3 V, CB0 = L, CB1 = H,

Iout = 300 mA

Vout

1.261

1.300

1.339

V

Feedback Voltage Accuracy, Vout Set = 1.5 V, CB0 = H, CB1 = H,

Iout = 300 mA

Vout

1.450

1.500

1.550

V

Feedback Voltage Accuracy, Vout Set = 1.89 V, CB0 = H CB1 = L,

Iout = 300 mA

Vout

1.833

1.890

1.947

V

Line Regulation, Vin = 2.7 V−3.6 V, Iout = 100 mA

−

−15

−

+15

mV

Line Regulation, Vin = 3.6 V−5.2 V, Iout = 100 mA

−

−15

−

+15

mV

Load Regulation, Iout = 100 mA−300 mA

−

−15

−

+15

mV

Load Transient Response, 10 to 100 mA Load Step

Vout

−

50

−

mV

Line Transient Response, Iout = 100 mA, 3.0 to 3.6 Vin Line Step

Vout

−

"5.0

−

mVpp

Pulsed Mode Characteristics

Peak Current Limit

Ilim

−

200

−

mA

Output Current

Iout

0.05

−

30

mA

Output Ripple Voltage, Iout = 100 mA

Vout

−

22

100

mV

Feedback Voltage Accuracy, Vout Set = 1.0 V, CB0 = L, CB1 = L

Vout

0.950

1.000

1.050

V

Feedback Voltage Accuracy, Vout Set = 1.3 V, CB0 = L, CB1 = H

Vout

1.261

1.300

1.339

V

Feedback Voltage Accuracy, Vout Set = 1.5 V, CB0 = H, CB1 = H

Vout

1.450

1.500

1.550

V

Feedback Voltage Accuracy, Vout Set = 1.89 V, CB0 = H, CB1 = L

Vout

1.833

1.890

1.947

V

2. Maximum value is guaranteed by design.

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