SIP12202DB データシートの表示（PDF） - Vishay Semiconductors

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SIP12202DB

Synchronous Step Down Controller

Vishay Semiconductors 

TYPICAL WAVEFORMS

New Product

SiP12202

Vishay Semiconductors

VLX = 5 V/div

DH = 5 V/div

DL = 5 V/div

Inductor Current

5 A/div

1 µs/div

VIN = 5 V, VOUT = 2.5 V, Load Current = 5 A, L = 1.5 µH,

COUT = 220 uF X 2

Typical Switching Waveform

Comp/SD = 1 V/div

VOUT = 1 V/div

PG = 5 V/div

Inductor Current

5 A/div

1 ms/div

VIN = 5 V, VOUT = 2.5 V, Load Current = 1 A,

Output Filter Cap = 220 uF X 2

Soft Start

VOUT = 500 mV/div

Inductor Current

5 A/div

10 µs/div

VIN = 5 V, VOUT = 2.5 V, Load Current = 1 A to 8 A Step,

L = 1.5 µH, COUT = 220 uF X 2

Load Transient Response

VOUT = 20 mV/div

1 µs/div

VIN = 5 V, VOUT = 2.5 V, Load Current = 1 A,

L = 1.5 µH, COUT = 220 uF X 2

Output Voltage Ripple

Comp/SD = 1 V/div

VOUT = 1 V/div

Inductor Current

5 A/div

1 ms/div

VIN = 5 V, VOUT = 2.5 V, Load Current = 1 A,

Output Filter Cap = 220 uF X 2

Shut Down

Document Number: 73542

S-52083–Rev. A, 10-Oct-05

www.vishay.com

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