SC189AEVB datasheet(7/23 Pages) SEMTECH

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SC189

Typical Characteristics (continued)

Line Regulation

RDSON (P & N) Variation over Line

-10%

-5%

10%

15%

20%

25%

30%

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

Switching Frequency Variation over Line

-5%

-4%

-3%

-2%

-1%

2.5

3.0

3.5

4.0

4.5

5.0

5.5

Input Voltage (V)

IOUT= 0A

TA= 25°C

VOUT= 3.3V

VOUT= 1.5V

Line Regulation ove Line

-1.0%

-0.8%

-0.6%

-0.4%

-0.2%

0.0%

0.2%

0.4%

0.6%

0.8%

1.0%

2.5

3.0

3.5

4.0

4.5

5.0

5.5

Input Voltage (V)

IOUT= 0A

TA= 25°C

VOUT= 3.3V

VOUT= 1.5V

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

Switching Frequency Variation

-1.0%

-0.8%

-0.6%

-0.4%

-0.2%

0.0%

0.2%

0.4%

0.6%

0.8%

1.0%

-40

-15

Ambient Temperature (°C)

VIN= 5.0V

IOUT= 0A

Line Regulation over Temperature

-1.0%

-0.8%

-0.6%

-0.4%

-0.2%

0.0%

0.2%

0.4%

0.6%

0.8%

1.0%

-40

-15

Ambient Temperature (°C)

VOUT= 1.5V

IOUT= 0A

Line Regulation vs. Temperature

DS(ON) Variation vs. Input Voltage

DS(ON) Variation vs. Temperature

Switching Frequency vs. Input Voltage

Switching Frequency vs. Temperature

Circuit Conditions: C

IN= 10uF/6.3V; COUT= 10uF/6.3V for L=2.2uH; COUT= 22uF/6.3V for L=1uH.

Unless otherwise noted, L= 2.2uH (TOKO: 1071AS-2R2M) and SC189 in MLPD-UT6 package.

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