LM3674MF-1.8/NOPB National Semiconductor, LM3674MF-1.8/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM3674MF-1.8/NOPB
• Description: IC CONV DC/DC 600MA 1.8V SOT23-5
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Step-Down (Buck)r

Specifications of LM3674MF-1.8/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.8V
• Current - Output: 600mA
• Frequency - Switching: 2MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -30°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Power - Output: 400mW
• For Use With: LM3674MF-1.8EV - BOARD EVALUATION LM3674MF-1.8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM3674MF-1.8TR

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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