SC4626CEVB-1 View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC4626CEVB-1

2.5MHz, 1A Synchronous Step Down Regulator in SOT23-5

Semtech Corporation 

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SC4626

Typical Characteristics (continued)

Circuit Conditions: VOUT=1.0V (SC4626A), 1.5V (SC4626H) & 3.3V (SC4626Z);CIN= 10uF/6.3V;COUT= 10uF/6.3V for L=2.2uH;COUT= 22uF/6.3V for L=1uH.

Unless otherwise noted, L= 2.2uH (TOKO: 1071AS-2R2M).

RDS(ORND) vSOs.NIn(Pp&uNt) oVvoerltLaingee

210

190

RRDSON

DS(ON)

v(Ps&. TNe)mOvpereTreamtpuerreature

190

VIN= 5.0V

170 ILX= ±100mA

P-Channel

P-Channel

170

150

150

N-Channel

130 TA= 25°C

ILX= ±100mA

110

2.5

3.0

3.5

4.0

4.5

5.0

Input Voltage (V)

SwitchSiwnitgchFinrgeFqrueqeunenccyy vVasr.iaIntiopnuotveVroLilnteage

5%

4%

3%

VOUT= 3.3V

2%

1%

0%

-1%

-2%

-3%

IOUT= 0A

-4% TA= 25°C

VOUT= 1.5V

-5%

2.5

3.0

3.5

4.0

4.5

5.0

Input Voltage (V)

LLiinneeRRegeuglautiolantoiovenLine

1.0%

0.8%

0.6%

0.4%

VOUT= 1.5V

0.2%

0.0%

-0.2%

-0.4%

-0.6%

-0.8%

IOUT= 0A

TA= 25°C

-1.0%

2.5

3.0

VOUT= 3.3V

3.5

4.0

4.5

5.0

Input Voltage (V)

© 2009 Semtech Corp.

5.5

5.5

5.5



130

110

N-Channel

90

-40

-15

10

35

60

85

Ambient Temperature (°C)

SwitchingSwFirtcehqinugeFnrecqyuevnscy. TVearmiatpioenrature

1.0%

0.8%

0.6%

0.4%

0.2%

0.0%

-0.2%

-0.4%

-0.6%

-0.8%

VIN= 5.0V

IOUT= 0A

-1.0%

-40

-15

10

35

60

85

Ambient Temperature (°C)

Line RLeinge uRelagutilaotinonvosv.eTreTmemppeerraatutrue re

1.0%

0.8%

0.6%

0.4%

0.2%

0.0%

-0.2%

-0.4%

-0.6%

-0.8%

VOUT= 1.5V

IOUT= 0A

-1.0%

-40

-15

10

35

60

85

Ambient Temperature (°C)

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