SC4201(2004) View Datasheet(PDF) - Semtech Corporation

Part Name

Description

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SC4201
(Rev.:2004)

Multi-Phase Link Controller

Semtech Corporation 

SC4201

POWER MANAGEMENT

Absolute Maximum Ratings

Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters

specified in the Electrical Characteristics section is not implied.

Parameter

Symbol

Limits

Units

Supply Voltage

RT, SYNC

Operating Ambient Temperature Range

Junction Temperature Range

Storage Temperature Range

Lead Temperature (Soldering) 10 sec

Thermal Impedance Junction to Ambient

ESD Rating (Human Body Model)

VIN

VP_K

TA

TJ

TSTG

TLEAD

θJA

ESD

7

-0.3V to VDD +0.3

-40 to +125

-40 to 150

-65 to 150

+300

206

2

V

V

°C

°C

°C

°C

°C/W

kV

Electrical Characteristics

Unless

specified:

TA

=

T

I

=

-40

to

+125°C,

V

DD

=

5V,

R

T

=

100K,

4-phase.

Parameter

Symbol

Conditions

Min Typ Max Units

Supply Voltage, Operating

Supply Current

VDD Start Threshold

VDD

3.0

6.0

V

IDD

VDD = 6V, RT = 36.5kΩ , COUT = 20pF

2.35 2.60 mA

3.10

V

VDD UVLO Hysteresis

70 100 130 mV

Output Frequency, per phase

FOUT

Output Frequency Stability

Phase Accuracy

See graphs, Fig 2 - 5

0.1

VDD = 3V to 6V

By design, not tested

2

MHz

10

%

1

%

Sync Input Threshold

O/P Rise Time

O/P Fall Time

Output Voltage

Output Current (peak)

VSYNC

TR

TF

VOUT

IOUT

See pin description

COUT = 20pF, VDD = 3V to 6V

COUT = 20pF, VDD = 3V to 6V

VDD = 5V

VDD = 3.3V

VDD/3

V

10

ns

10

ns

VDD

V

25

mA

10

Output Impedance

ROUT

Output Duration

TP

Note:

60

Ω

(1)

ns

(1)

TP

=

TOUT

N

where

TOUT

=

output

signal

period

of

individual

phase.

N = 3 for 3 phase operation, N = 4 for 2/4 phase operation.

 2004 Semtech Corp.

2

www.semtech.com

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