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LM2653 Folha de dados(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Nome de Peças LM2653
Descrição Electrónicos  1.5A High Efficiency Synchronous Switching Regulator
PDF  12 Pages
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Fabricante Electrônico  NSC [National Semiconductor (TI)]
Página de início  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2653 Folha de dados(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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