SC4624EVB-SO datasheet(4/20 Pages) SEMTECH

Part #	SC4624EVB-SO

Description	Low Input Voltage, High Efficiency, 4A Integrated FET Synchronous Step down DC/DC Regulator

Download	20 Pages

Scroll/Zoom	100%

Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

Logo

4 / 20 page

4

 2007 Semtech Corp.

www.semtech.com

POWER MANAGEMENT

SC4624

Electrical Characteristics (Cont.)

Unless otherwise specified, V

IN= VCC=SYNC/EN=3.3V, ROSC=51.1KΩ, RISET=27.4KΩ, TA = -40°C to 85°C.

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Thermal Shutdown

Thermal Shutdown Trip Point

T

OTP

Temperature Rising

160

°C

Thermal Shutdown Hysteresis

T

OTP_HYS

10

°C

Synchronization, Enable Input

SYNC/EN Threshold

V

ENL

Logic Low

0.8

V

ENH

Logic High

2.0

V

Frequency Range, SYNC

F

SYNC

20% Higher than F

OSC

200

2000

kHz

Oscillator

Osciilator Frequency Range

F

OSC

200

2000

kHz

Osciilator Frequency Accuracy

R

OSC= 51.1KΩ

415

500

585

kHz

R

OSC=51.1KΩ, TA=TJ=25°C

435

500

565

kHz

Ramp Peak to Valley(1)

V

PV

1.0

V

Ramp Peak Voltage(1)

V

P

1.25

V

Ramp Valley Voltage(1)

V

0.25

V

Soft Start, Current Limit

Soft-Start Charge Current

I

SS

6

µA

ISET Bias Voltage

V

ISET

R

ISET = 27.4KΩ

0.45

0.55

0.61

V

Over Current Trip

I

IST

R

ISIT = 57.6KΩ

1.9

2.55

3.1

A

Output UVLO

V

OUV

VFB drop

0.3

V

Hiccup period(1)

T

OCHP

131072

clks

Error Amplifier

Error Amplifier Open Loop

Voltage Gain (1)

100

dB

Error Amplifier Unity Gain Bandwidth(1)

10

MHz

Output Voltage Slew Rate, COMP(1)

4

V/µs

Source Output Current, COMP

FB = 0.4V

20

mA

Sink Output Current, COMP

FB = 0.6V

25

mA

Output Voltage High, COMP

FB = 0.4V, I

COMP = -1mA

2.5

V

Similar Part No. - SC4624EVB-SO

Manufacturer	Part #	Datasheet	Description
Semtech Corporation	SC4624EVB-SO	846Kb / 20P	Low Input Voltage, High Efficiency, 4A Integrated FET Synchronous Step down DC/DC Regulator

More results

Similar Description - SC4624EVB-SO

Manufacturer	Part #	Datasheet	Description
Semtech Corporation	SC4624A	1Mb / 19P	Low Input Voltage, High Efficiency, 4A Integrated FET Synchronous Step down DC/DC Regulator
	SC4624	846Kb / 20P	Low Input Voltage, High Efficiency, 4A Integrated FET Synchronous Step down DC/DC Regulator
	SC4620	1Mb / 19P	Low Input Voltage, High Efficiency, 2.5A Integrated FET Synchronous Step down DC/DC Regulator
	SC4620	1Mb / 19P	Low Input Voltage, High Efficiency, 2.5A Integrated FET Synchronous Step down DC/DC Regulator
AiT Semiconductor Inc.	A7240	463Kb / 9P	DC-DC CONVERTER/ BUCK (STEP-DOWN) 4A, 16V HIGH EFFICIENCY SYNCHRONOUS REV2.0
Global Mixed-mode Techn...	G5759	94Kb / 1P	400kHz 4A Synchronous Step-down DC/DC
Linear Technology	LTC3852	424Kb / 32P	Low Input Voltage, Synchronous Step-Down DC/DC Controller
Linear Technology	LTC3852	424Kb / 32P	Low Input Voltage, Synchronous Step-Down DC/DC Controller
Renesas Technology Corp	EL7554	732Kb / 14P	Monolithic 4A DC/DC Step-Down Regulator
Maxim Integrated Produc...	MAX16962	637Kb / 13P	4A, 2.2MHz, Synchronous Step-Down DC-DC Converter Rev 3; 7/15

More results

SC4624EVB-SO Datasheet(PDF) 4 Page - Semtech Corporation

SC4624EVB-SO Datasheet(HTML) 4 Page - Semtech Corporation

Similar Part No. - SC4624EVB-SO

Similar Description - SC4624EVB-SO

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Datasheet Download

Link URL