SC1159 データシートの表示（PDF） - Semtech Corporation

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SC1159

Programmable Synchronous DC/DC Hysteretic Controller with VRM 8.5 VID Range

Semtech Corporation 

SC1159

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

Maximum

Units

VIN12V

BOOT to DRVGND

VINMAX

-0.3 to 14

V

-0.3 to 25

V

BOOT to BOOTLO

-0.3 to 15

V

Digital Inputs

-0.3 to 7.3

V

AGND to DRVGND

±0.5

V

LOHIB to AGND

-0.3 to 14

V

LOSENSE to AGND

-0.3 to 14

V

IOTLO to AGND

-0.3 to 14

V

HISENSE to AGND

-0.3 to 14

V

VSENSE to AGND

-0.3 to 5

V

Continuous Power Dissipation, TA = 25 0C

PD

1.2

W

Continuous Power Dissipation, TC = 25 0C

PD

6.25

W

Operating Junction Temperature Range

TJ

0 to +125

°C

Lead Temperature (Soldering) 10 Sec.

TL

300

°C

Storage Temperature

TSTG

-65 to 150

°C

DC Electrical Characteristics

Unless specified: 0 < TJ < 125°C, VIN = 12V

Parameter

Symbol

Conditions

Min Typ Max Units

Supply Voltage Range

VIN12V

11.4 12

13

V

Supply Current (Quiescent)

High Side Driver Supply

Current (Quiescent)

IINq

IBOOTq

INH = 5V, Vin above UVLO threshold during

start-up,

fsw = 200 kHz, BOOTLO = 0V,

CDH = CDL = 50pF

INH = OV or Vin below UVLO threshold

during start-up,

BOOT = 13V, BOOTLO = 0V

INH = 5V, VIN above UVLO threshold

during start-up,

fsw = 200kHz, BOOT = 13V, BOOTLO = 0V,

CDH = 50pF

15

mA

10

µA

5

mA

 2002 Semtech Corp.

2

www.semtech.com

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