LM3671MF-1.6 National Semiconductor, LM3671MF-1.6 Datasheet - Page 6

• Manufacturer Part Number: LM3671MF-1.6
• Description: IC CONV DC/DC STEP-DOWN SOT23-5
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Step-Down (Buck)r

Specifications of LM3671MF-1.6

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.6V
• 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: 770mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM3671MF-1.6; LM3671MF-1.6TR

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V
V
V
I
I
R
R
I
V
V
I
F
SHDN
Q
LIM
EN
OSC
IN
FB
REF
IH
IL
DSON (P)
DSON (N)
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Operating Ratings
Electrical Characteristics
apply over the full operating ambient temperature range (−30°C
the LM3671MF/TL/LC with V
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of
the device is guaranteed. Operating Ratings do not imply guaranteed performance limits. For guaranteed performance limits and associated test conditions, see
the Electrical Characteristics tables.
V
FB, SW, EN Pin:
Continuous Power Dissipation
(Note 3)
Junction Temperature (T
Storage Temperature Range
Maximum Lead Temperature
ESD Rating (Note 4)
Input Voltage Range (Note 10)
Recommended Load Current
Junction Temperature (T
Ambient Temperature (T
5)
Symbol
IN
Human Body Model
Machine Model
Pin: Voltage to GND
(Soldering, 10 sec.)
Input Voltage
Feedback Voltage (Fixed) MF
Feedback Voltage (Fixed) TL
Feedback Voltage (Fixed) LC
Feedback Voltage (ADJ) MF
(Note 11)
Feedback Voltage (ADJ) TL
Line Regulation
Load Regulation
Internal Reference Voltage
Shutdown Supply Current
DC Bias Current into V
Pin-Pin Resistance for PFET
Pin-Pin Resistance for NFET
Switch Peak Current Limit
Logic High Input
Logic Low Input
Enable (EN) Input Current
Internal Oscillator Frequency
A
J-MAX
J
) Range
) Range (Note
Parameter
IN
)
= EN = 3.6V
(Notes 1, 2)
IN
Internally Limited
−65°C to +150°C
−30°C to +125°C
−30°C to +85°C
0mA to 600 mA
(Notes 2, 8, 9)
(GND−0.2V) to
−0.2V to 6.0V
2.7V to 5.5V
(Note 1)
(V
IN
+125°C
+ 0.2V)
260°C
200V
(Note 10)
PWM mode (Note 12)
PWM mode (Note 12)
2.7V
I
100 mA
V
EN = 0V
No load, device is not switching (FB
forced higher than programmed
output voltage)
V
V
Open Loop (Note 7)
PWM Mode (Note 12)
2 kV
O
IN
IN
IN
= 10 mA
= 3.6V
= V
= V
≤
Limits in standard typeface are for T
GS
GS
V
≤
6
IN
= 3.6V
= 3.6V
≤
I
≤
O
T
Condition
A
≤
Thermal Properties
5.5V
Junction-to-Ambient Thermal
Resistance (θ
layer board (Note 6)
Junction-to-Ambient Thermal
Resistance (θ
layer board (Note 6)
Junction-to-Ambient Thermal
Resistance (θ
board (Note 6)
≤
600 mA
+85°C). Unless otherwise noted, specifications apply to
JA
JA
JA
) (SOT23-5) for 4
) (Micro SMD) for 4
) (COL) for 4 layer
Min
-2.5
-2.5
830
2.7
1.0
1.6
-4
-4
-4
J
= 25°C. Limits in boldface type
0.0013
0.031
1020
0.01
0.01
Typ
380
250
0.5
16
2
1150
+2.5
+2.5
Max
500
400
5.5
0.4
2.6
+4
+4
+4
35
1
1
130°C/W
165°C/W
85°C/W
%/mA
Units
MHz
%/V
mΩ
mΩ
mA
µA
µA
µA
%
%
V
V
V
V