CS5166H datasheet(6/22 Pages) CHERRY

Part #	CS5166H

Description	5-Bit Synchronous CPU Controller with Power-Good and Current Limit

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Manufacturer	CHERRY [Cherry Semiconductor Corporation]

Direct Link	http://www.cherrycorp.com/

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THRESHOLD ACCURACY

LOWER THRESHOLD

UPPER THRESHOLD

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

Block Diagram

Q

VID1

SS

VID0

VCC

VGATE(H)

PGnd

VGATE(L)

VID2

VID3

COFF

Maximum

On-Time

Timeout

VCC

R

Q

S

COFF

One Shot

SS High

Comparator

FAULT

Latch

2.5V

ERROR AMPLIFIER

30µA

VID4

-

+

-

+

-

+

PWM

COMPARATOR

SS Low

Comparator

R

Q

S

Q

R

Q

S

2µA

5V

60µA

Normal

Off-Time

Extended

Off-Time

Timeout

Time Out

Timer

Edge Triggered

Off-Time

Timeout

FAULT

GATE(H) = ON

GATE(H) = OFF

PGnd

PWM

Latch

0.7V

COMP

-

+

LGnd

VFB

PWRGD

65µS

Delay

-

PWM Comp

Blanking

-

VCC Monitor

5 BIT

DAC

-8.5%

+8.5%

FAULT

ISENSE

COMPARATOR

76mV

VCC

ISENSE

-

+

VFB LOW COMPARATOR

-

+

1V

3.87V

3.95V

6

Electrical Characteristics: 0˚C < TA < 70˚C; 0˚C < TJ < 125˚C; 8V < VCC < 20V; 2.0V DAC Code (VID4 = VID3 = VID2 =

VID1 =0, VID0 = 1), CGATE(H) = CGATE(L) = 3.3nF, COFF = 330pF, CSS= 0.1µF; Unless otherwise stated.

% of Nominal VID Code

-12

-8.5

-5

5

8.5

12

%

s

DAC CODE

VID4 VID3 VID2 VID1 VID0

1

0

1

2.134

2.218

2.303

2.546

2.631

2.716

V

1

0

2.046

2.127

2.208

2.441

2.522

2.604

V

1

0

1

1.958

2.035

2.113

2.336

2.414

2.492

V

1

0

1.870

1.944

2.018

2.231

2.305

2.380

V

0

1.826

1.898

1.971

2.178

2.251

2.324

V

0

1

1.782

1.8520

1.923

2.126

2.197

2.268

V

0

1

0

1.738

1.807

1.876

2.073

2.142

2.212

V

0

1

1.694

1.761

1.828

2.021

2.088

2.156

V

0

1

0

1.650

1.715

1.781

1.968

2.034

2.100

V

0

1

0

1

1.606

1.669

1.733

1.916

1.980

2.044

V

0

1

0

1.562

1.624

1.686

1.863

1.925

1.988

V

0

1

1.518

1.578

1.638

1.811

1.871

1.932

V

0

1

0

1.474

1.532

1.591

1.758

1.817

1.876

V

0

1

0

1

1.430

1.486

1.543

1.706

1.763

1.820

V

0

1

0

1

0

1.386

1.441

1.496

1.653

1.708

1.764

V

0

1

0

1

1.342

1.395

1.448

1.601

1.654

1.708

V

0

1

0

1.298

1.349

1.401

1.548

1.600

1.652

V

0

1

0

1

1.254

1.303

1.353

1.496

1.546

1.596

V

0

1

0

1.210

1.258

1.306

1.443

1.491

1.540

V

0

1

1.166

1.212

1.258

1.391

1.437

1.484

V

1

1.094

1.138

1.181

1.306

1.349

1.393

V

Note 1: Guaranteed by design, not 100% tested in production

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