SC4810BIMLTRT View Datasheet(PDF) - Semtech Corporation

Part Name

Description

Manufacturer

SC4810BIMLTRT

High Performance Current Mode PWM Controller with Complementary Output, Programmable Delay

Semtech Corporation 

SC4810B/E

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. Exposure to Absolute Maximum rated conditions for extended periods of time may affect device

reliability.

Parameter

Symbol

Maximum

Units

Supply Voltage

VDD

19

V

Supply Current

IDD

25

mA

LUVLO

VLUVLO

10

V

SS, DMAX, RCT, FB, CS, RAMP, SYNC

-0.3V to VREF + 0.3V

V

Current VREF

IREF

15

mA

Current LUVLO

ILUVLO

-1

mA

Storage Temperature Range

TSTG

-65 to +150

°C

Junction Temperature Range

TJ

-40 to +150

°C

Lead Temperature (Soldering) 10 Sec.

TLEAD

300

°C

Peak IR Reflow Temperature 20 - 40 Sec.

TPKG

260

°C

Electrical Characteristics

Unless specified: VDD = 12V, CSS = 1nF, FOSC = 420kHz, RT = 10k, CT = 220pF, DMAX = 2V, RDELAY = 75kΩ, TA = TJ = -40ºC to 105ºC

Parameter

Test Conditions

Min

Typ

Max

Supply Section

Supply Voltage

15

IDD

IDD Shutdown

Ramp Section

VDD = 15V, NO LOAD

SS = 0V

3.5

4.5

100

250

Ramp Clamp Threshold Voltage

3

UVLO Section (B/E version)

Unit

V

mA

µA

V

Start Threshold

8

8.4

8.8

V

Hysteresis

2

V

 2006 Semtech Corp.

2

www.semtech.com

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