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LM2653 bảng dữ liệu(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LM2653
Giải thích chi tiết về linh kiện  1.5A High Efficiency Synchronous Switching Regulator
PDF  12 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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LM2653 bảng dữ liệu(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage
15V
PGOOD Pin Voltage
15V
Feedback Pin Voltage
−0.4V
≤ V
FB
≤ 5V
Power Dissipation (T
A =25˚C),
(Note 2)
893 mW
Junction Temperature
Range
−40˚C
≤ T
J
≤ +125˚C
Storage Temperature Range
−65˚C to +150˚C
Lead Temperature
M Package
Vapor Phase (60 sec.)
215˚C
Infrared (15 sec.)
220˚C
Maximum Junction Temperature
150˚C
ESD Susceptibility
Human Body Model (Note 3)
1 kV
Operating Ratings (Note 1)
Supply Voltage
4V
≤ V
IN
≤ 14V
Electrical Characteristics
Specifications with standard typeface are for T
J = 25˚C, and those in boldface type apply over full Operating Temperature
Range.V
IN = 10V unless otherwise specified.
Symbol
Parameter
Conditions
Typical
(Note 5)
Limit
(Note 4)
Units
V
FB
Feedback Voltage
I
LOAD = 900 mA
1.238
1.200
1.263
V
V(min)
V(max)
V
OUT
Output Voltage Line
Regulation
V
IN =4Vto12V
I
LOAD = 900 mA
0.2
%
Output Voltage Load
Regulation
I
LOAD = 10 mA to 1.5A
V
IN =5V
1.3
%
Output Voltage Load
Regulation
I
LOAD = 200 mA to 1.5A
V
IN =5V
0.3
%
V
INUV
V
IN Undervoltage Lockout
Threshold Voltage
Rising Edge
3.8
3.95
V
V(max)
V
UV_HYST
Hysteresis for the Input
Undervoltage Lockout
210
mV
I
CL
Switch Current Limit
V
IN =5V
V
OUT = 2.5V
2.0
1.55
2.60
A
A(min)
A(max)
I
SM
Sleep Mode Threshold
Current
V
IN = 5V, VOUT = 2.5V
100
mA
V
HYST
Sleep Mode Feedback
Voltage Hysteresis
24
mV
I
Q
Quiescent Current
1.7
2.0
mA
mA(max)
I
QSD
Quiescent Current in
Shutdown Mode
Shutdown Pin Pulled Low
7
12/20
µA
µA(max)
R
DS(ON)
High-Side or Low-Side
MOSFET ON Resistance
I
SWITCH =1A
75
130
m
Ω
m
Ω (max)
R
SW(ON)
High-Side or Low-Side
Switch On Resistance
(MOSFET ON Resistance +
Bonding Wire Resitstance)
I
SWITCH = 1A
110
m
Ω
I
L
Switch Leakage
Current — High Side
130
nA
Switch Leakge
Current — Low Side
130
nA
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