LM3674MFX-1.2 National Semiconductor, LM3674MFX-1.2 Datasheet - Page 5

• Manufacturer Part Number: LM3674MFX-1.2
• Description: IC,SMPS CONTROLLER,VOLTAGE-MODE,TSOP,5PIN,PLASTIC
• Manufacturer: National Semiconductor

Electrical Characteristics
type apply over the full operating junction temperature range (−30˚C ≤ T
apply to the LM3674 with V
Note 11: Input voltage range recommended for ideal applications performance for the specified output voltages are given below
V
V
Where V
Note 12: ADJ configured to 1.5V output.
Note 13: For V
Dissipation Rating Table
250˚C/W (2 layer board)
130˚C/W (4 layer board)
IN
IN
= 2.7V to 5.5V for 1.0V ≤ V
= ( V
DROP OUT
OUT
+ V
θ
OUT
JA
DROP OUT
= I
less than 2.5V, V
LOAD
) to 5.5V for 1.8 ≤ V
* (R
OUT
DSON (P)
T
IN
A
<
IN
= EN = 3.6V (Continued)
≤ 25˚C (Power Rating) T
1.8V
= 3.6V, for V
+ R
INDUCTOR
400mW
770mW
OUT
≤ 3.3V
OUT
(Notes 2, 9, 10) Limits in standard typeface are for T
)
greater than or equal to 2.5V, V
A
= 60˚C (Power Rating) T
5
260mW
500mW
IN
= V
J
≤ 125˚C). Unless otherwise noted, specifications
OUT
+1.
A
= 85˚C (Power Rating)
160mW
310mW
J
= 25˚C. Limits in boldface
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