CS51412 datasheet(5/20 Pages) ONSEMI

Part #	CS51412

Description	1.5 A, 260 kHz and 520 kHz, Low Voltage Buck Regulators with External Bias or Synchronization Capability

PDF	20 Pages

Scroll/Zoom	100%

Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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CS51411, CS51412, CS51413, CS51414

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ELECTRICAL CHARACTERISTICS (−40

°C < TJ < 125°C (CS51411E/2E/3E/4E); −40°C < TA < 85°C (CS51411E/2E/3E/4E);

°C < TA < 70°C (CS51411G/2G/3G/4G), 4.5 V< VIN < 40 V; unless otherwise specified.)

Characteristic

Test Conditions

Min

Typ

Max

Unit

Sync

Sync Frequency Range

CS51411/CS51412

305

−

470

kHz

Sync Frequency Range

CS51413/CS51414

575

−

880

kHz

Sync Pin Bias Current

VSYNC = 0 V

VSYNC = 5.0 V

−

250

0.1

360

0.2

460

Sync Threshold Voltage

−

1.0

1.5

1.9

Shutdown

Shutdown Threshold Voltage

−

1.0

1.3

1.6

Shutdown Pin Bias Current

VSHDNB = 0 V

0.14

5.00

Thermal Shutdown

Overtemperature Trip Point

(Note 3)

175

185

195

°C

Thermal Shutdown Hysteresis

(Note 3)

−

°C

General

Quiescent Current

ISW = 0 A

3.0

4.0

6.25

Shutdown Quiescent Current

VSHDNB = 0 V

8.0

Boost Operating Current

VBOOST − VSW = 2.5 V

6.0

mA/A

Minimum Boost Voltage

(Note 3)

−

2.5

Startup Voltage

−

2.2

3.3

4.4

Minimum Output Current

−

7.0

3. Guaranteed by design, not 100% tested in production.

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