CS5165 Просмотр технического описания (PDF) - ON Semiconductor

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Компоненты Описание

производитель

CS5165

5−Bit Synchronous CPU Buck Controller

ON Semiconductor 

CS5165

ENABLE

VCC

7.0 μA

20 k

−

1.25 V

+

Enable

Comparator

Circuit Bias

5.0 V

60 μA

SS

2.0 μA

COMP

VID0

VID1

VID2

VID3

VID4

5 BIT

DAC

−8.5% +8.5%

Error Amplifier

+

−

+−

−+

−

+

PWM

Comparator

PWRGD

65 μs

Delay

−

VCC Monitor

+

3.95 V

3.87V

−

+

0.7 V

+

−

2.5 V

SS Low

Comparator

SS High

Comparator

R Q FAULT

S Q FAULT

FAULT

Latch

PGND

VCC

VCC1

PWM COMP

Blanking

Maximum

On−Time

Timeout

Normal

Off−Time

Timeout

Extended

Off−Time

Timeout

RQ

SQ

PWM

Latch

Off−Time

Timeout

GATE(H) = ON

GATE(H) = OFF

COFF

One Shot

R

SQ

VFB

LGND

1.0 V

−

+

VFB Low

Comparator

Time−Out

Timer

(30 μs)

Edge Triggered

VCC

VGATE(H)

VGATE(L)

PGND

COFF

Figure 2. Block Diagram

http://onsemi.com

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