SC185EEVB datasheet(7/18 Pages) SEMTECH

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SC185

Typical Characteristics

Efficiency (Forced PWM)

Efficiency (PSAVE Enabled)

Total Loss (Forced PWM)

Circuit Conditions: C

IN= 22uF/6.3V, COUT= 2 x 22uF/6.3V, CSS= 10nF. Unless otherwise noted, L= 1.0uH (TOKO: FDV0530S-1R0).

Efficiency

60%

65%

70%

75%

80%

85%

90%

95%

100%

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Output Current (A)

VIN=5.0V;VOUT=3.3V

TA= 25°C

VIN=5.0V;VOUT=1.5V

VIN=3.3V;VOUT=1.5V

Load Regulation (Forced PWM)

DS(ON) Variation vs. Input Voltage

DS(ON) Variation vs. Temperature

RDSON (P & N) Variation over Line

-10%

-5%

10%

15%

20%

25%

30%

35%

2.5

3.0

3.5

4.0

4.5

5.0

5.5

Input Voltage (V)

ILX= ±100mA

TA= 25°C

N-Channel

P-Channel

RDSON (P & N) Variation Over Temperature

-20%

-15%

-10%

-5%

10%

15%

20%

-40

-15

Ambient Temperature (°C)

VIN= 5.0V

ILX= ±100mA

N-Channel

P-Channel

Total Loss

400

800

1200

1600

2000

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Output Current (A)

TA=25°C

VIN=5.0V;VOUT=3.3V

VIN=5.0V;VOUT=1.5V

VIN=3.3V;VOUT=1.5V

60%

65%

70%

75%

80%

85%

90%

95%

100%

0.0

0.1

1.0

10.0

Output Current (A)

TA = 25oC

Vin = 5V, Vout = 3.3V

Vin = 3.3V, Vout = 1.5V

Vin = 5V, Vout = 1.5V

-0.60%

-0.50%

-0.40%

-0.30%

-0.20%

-0.10%

0.00%

0.10%

0.20%

0.30%

0.40%

0.50%

0.60%

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Output current (A)

Vin = 5.0V, Vout = 3.3V

TA = 25oC

Vin = 3.3V, Vout = 1.5V

Vin = 5V, Vout = 1.5V

SC185EEVB Datasheet(PDF) 7 Page - Semtech Corporation

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