SC2453ITSTR View Datasheet(PDF) - Semtech Corporation

Part Name

Description

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SC2453ITSTR

High Performance Quad Output Switching Regulator

Semtech Corporation 

SC2453

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

Maximum

Units

BST1, BST2 to PGND

35

V

VIN, BDI to AGND

30

V

PVCC, AVCC to PGND

7

V

PGND to AGND

±0.3

V

PH1 to BST1, PH2 to BST2

-6 to 0.3

V

GD1H to PH1, GD2H to PH2

7

V

GD1L, GD2L to PGND

ILIM1, ILIM2 to AGND

7

V

7

V

OSC, SYNC, POK, SS to AGND

BD3 to AVCC

BD4 to AGND

FB1, FB2, FB3, FB4, EO1, EO2 to AGND

GD1H, GD1L, GD2H, DG2L Source or Sink Current

7

V

-25 to 0.3

V

7

V

-0.3 to 7

V

1

A

Storage Temperature Range

Junction Temperature

-60 to +150

°C

-40 to +150

°C

Lead Temperature (Soldering) 10 Sec.

300

°C

Electrical Characteristics

Unless specified:

VCC = 5V, fs = 600KHz, SS/SHDN = 5V, SYNC = 0V,

TA

=

T

J

=

-35°C

to

105°C

Parameter

Test Conditions

Min

Typ

Max

Unit

Power Supply

Quiescent Current

SS/SHDN = 0V

3.8

4.5

mA

Operating Current

No load

9

12

mA

AVCC

VIN > 5.5V

4.5

5

5.5

V

PVCC

VIN > 5.5V

4.5

5

5.5

V

Undervoltage Lockout

Start Threshold

4.05

4.23

4.50

V

UVLO Hysteresis

200

mV

PWM Comparator

Delay to Output

70

nS

 2005 Semtech Corp.

2

www.semtech.com

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