CS5166 데이터 시트보기 (PDF) - ON Semiconductor

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CS5166

5−Bit Synchronous CPU Controller with Power Good and Current Limit

ON Semiconductor 

CS5166

−

VCC Monitor

+

3.95 V

3.87V

5.0 V

60 μA

SS

2.0 μA

COMP

VID0

VID1

VID2

VID3

VID4

5 BIT

DAC

Error Amplifier

+

−

PWM

Comparator

−

−8.5% +8.5%

+−

−+

+

VCC

76 mV

30 μA

−

PWRGD

65 μs

Delay

+

ISENSE

Comparator

−

+

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

Extended

Off−Time

Timeout

RQ

SQ

PWM

Latch

Off−Time

Timeout

GATE(H) = ON

GATE(H) = OFF

COFF

One Shot

R

SQ

VFB

ISENSE

LGND

1.0 V

−

+

VFB Low

Comparator

Time−Out

Timer

Edge Triggered

VCC

VGATE(H)

VGATE(L)

PGND

COFF

Figure 2. Block Diagram

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