CS51411 View Datasheet(PDF) - ON Semiconductor

Part Name

Description

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CS51411

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

ON Semiconductor 

VIN

BIAS

VFB

CS51411, CS51412, CS51413, CS51414

SHDNB

SYNC

2.9 V LDO

Voltage

Regulator

Shutdown

Comparator

+

-

+

1.3 V -

5.0 mA

Artificial

Ramp

1.46 V

∑

+

-

PWM Com‐

parator

Oscillator

Thermal

Shutdown

SQ

R

Output

Driver

Current

Limit Com‐

parator

IREF

1.270 V

+

-

-

+

Error

Amplifier

0.32 V

+

-

-

+

Frequency

and Current

Limit Foldback

IFOLDBACK

VC

Figure 2. Block Diagram

BOOST

VSW

GND

http://onsemi.com

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