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LM3674 датащи(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
номер детали LM3674
подробное описание детали  2MHz, 600mA Step-Down DC-DC Converter in SOT 23-5
PDF  15 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3674 датащи(HTML) 5 Page - National Semiconductor (TI)

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Electrical Characteristics (Notes 2, 9, 10) Limits in standard typeface are for T
J = 25˚C. Limits in boldface
type apply over the full operating junction temperature range (−30˚C
≤ T
J
≤ 125˚C). Unless otherwise noted, specifications
apply to the LM3674 with V
IN = EN = 3.6V (Continued)
Note 11: Input voltage range recommended for ideal applications performance for the specified output voltages are given below
VIN = 2.7V to 5.5V for 1.0V ≤ VOUT < 1.8V
VIN =(VOUT +VDROP OUT) to 5.5V for 1.8 ≤ VOUT≤ 3.3V
Where VDROP OUT =ILOAD *(RDSON (P) +RINDUCTOR)
Note 12: ADJ configured to 1.5V output.
Note 13: For VOUT less than 2.5V, VIN = 3.6V, for VOUT greater than or equal to 2.5V, VIN =VOUT +1.
Dissipation Rating Table
θ
JA
T
A
≤ 25˚C (Power Rating) T
A = 60˚C (Power Rating) TA = 85˚C (Power Rating)
250˚C/W (2 layer board)
400mW
260mW
160mW
130˚C/W (4 layer board)
770mW
500mW
310mW
www.national.com
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