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参数资料
| 型号： | LM3670MFX-2.5/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.75 A SWITCHING REGULATOR, 1300 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封装： | ROHS COMPLIANT, SOT-23, 5 PIN |
| 文件页数： | 12/17页 |
| 文件大小： | 982K |
| 代理商： | LM3670MFX-2.5/NOPB |
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN Pin: Voltage to GND
0.2V to 6.0V
EN Pin: Voltage to GND
0.2V to 6.0V
FB, SW Pin:
(GND0.2V) to
(V
IN + 0.2V)
Junction Temperature (T
J-MAX)
45C to +125C
Storage Temperature Range
45C to +150C
Maximum Lead Temperature
(Soldering, 10 sec.)
260C
ESD Rating (Note 3)
Human Body Model:
VIN, SW, FB, EN, GND
2.0kV
Machine Model:
200V
Operating Ratings (Notes 1, 2)
Input Voltage Range
2.5V to 5.5V
Recommended Load Current
0A to 350 mA
Junction Temperature (T
J) Range
40C to +125C
Ambient Temperature (T
A) Range
40C to +85C
Thermal Properties
Junction-to-Ambient
Thermal Resistance (
θ
JA)
(SOT23-5)
250C/W
Electrical Characteristics Limits in standard typeface are for T
J = 25C. Limits in boldface type apply over
the full operating junction temperature range (40C
≤ T
J
≤ +125C). Unless otherwise noted V
IN = 3.6V, VOUT = 1.8V, IO =
150mA, EN = V
IN
Symbol
Parameter
Condition
Min
Typ
Max
Units
V
IN
Input Voltage Range
2.5
5.5
V
OUT
Fixed Output Voltage: 1.2V
2.5V
≤ V
IN
≤ 5.5V
I
O =10mA
-2.0
+4.0
%
2.5V
≤ V
IN
≤ 5.5V
0mA
≤ I
O
≤ 150 mA
-4.5
+4.0
Fixed Output Voltage: 1.5V
2.5V
≤ V
IN
≤ 5.5V
I
O =10mA
-2.5
+4.0
%
2.5V
≤ V
IN
≤ 5.5V
0mA
≤ I
O
≤ 350 mA
-5.0
+4.0
Fixed Output Voltage: 1.6V,
1.875V
2.5V
≤ V
IN
≤ 5.5V
I
O =10mA
-2.5
+4.0
%
2.5V
≤ V
IN
≤ 5.5V
0mA
≤ I
O
≤ 350 mA
-5.5
+4.0
Fixed Output Voltage: 1.8V
2.5V
≤ V
IN
≤ 5.5V
I
O =10mA
-1.5
+3.0
%
2.5V
≤ V
IN
≤ 5.5V
0mA
≤ I
O
≤ 350 mA
4.5
+3.0
Fixed Output Voltage: 2.5V,
3.3V
3.6V
≤ V
IN
≤ 5.5V
I
O =10mA
-2.0
+4.0
%
3.6V
≤ V
IN
≤ 5.5V
0mA
≤ I
O
≤ 350 mA
-6.0
+4.0
Adjustable Output Voltage
2.5V
≤ V
IN
≤ 5.5V
I
O =10mA
-2.5
+4.5
%
2.5V
≤ V
IN
≤ 5.5V
0mA
≤ I
O
≤ 150 mA
-4.0
+4.5
Line_reg
Line Regulation
2.5V
≤ V
IN
≤ 5.5V
I
O =10mA
0.26
%/V
Load_reg
Load Regulation
150 mA
≤ I
O
≤ 350 mA
0.0014
%/mA
V
REF
Internal Reference Voltage
0.5
V
I
Q_SHDN
Shutdown Supply Current
T
A=85
oC
0.1
1
A
LM3670
www.national.com
4
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