SC189AEVB datasheet(13/23 Pages) SEMTECH

tên linh kiện	SC189AEVB

Giải thích chi tiết về linh kiện	2.5MHz, 1.5A Synchronous Step Down Regulator

PDF	23 Pages

Scroll/Zoom	100%

nhà sản xuất	SEMTECH [Semtech Corporation]

Trang chủ	http://www.semtech.com

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13 / 23 page

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SC189

Output Voltage Ripple (V

OUT=1.0V)

Output Voltage Ripple (V

OUT=1.0V)

Transient Response (V

OUT=1.0V)

Output Voltage Ripple (V

OUT=1.0V)

Output Voltage Ripple (V

OUT=1.0V)

Transient Response (V

OUT=1.0V)

VOUT

10mV/div

VLX

2V/div

ILX

500mA/div

Offset: 0A

500ns/div

VIN=3.3V

IOUT=0A

Output Voltage Ripple (VOUT=1.0V)

VOUT

10mV/div

VLX

2V/div

ILX

500mA/div

500ns/div

VIN=5.0V

IOUT=0A

Output Voltage Ripple (VOUT=1.0V)

VOUT

20mV/div

IOUT

500mA/div

50µs/div

Transient Response (VOUT=1.0V)

VIN=5.0V

IOUT=0A to 0.5A

VOUT

10mV/div

VLX

2V/div

ILX

1A/div

500ns/div

Output Voltage Ripple (VOUT=1.0V)

VIN=3.3V

IOUT=1.5A

VOUT

10mV/div

VLX

2V/div

ILX

1A/div

500ns/div

Output Voltage Ripple (VOUT=1.0V)

VIN=5.0V

IOUT=1.5A

VOUT

20mV/div

IOUT

500mA/div

50µs/div

Transient Response (VOUT=1.0V)

VIN=5.0V

IOUT=0.5A to 1A

Typical Waveforms (continued)

Circuit Conditions: V

OUT=1.0V (SC189AULTRT); L= 1uH (Murata: LQM2HPN1R0NG0L); CIN= 10uF/6.3V; COUT= 22uF/6.3V (Murata: GRM21BR60J226M).

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