LM2576-12BU TR Micrel Inc, LM2576-12BU TR Datasheet - Page 4
![IC REG BUCK 3A 12V TO-263-5](/photos/7/59/75999/576-to-263-5_sml.jpg)
LM2576-12BU TR
Manufacturer Part Number
LM2576-12BU TR
Description
IC REG BUCK 3A 12V TO-263-5
Manufacturer
Micrel Inc
Type
Step-Down (Buck)r
Datasheet
1.LM2576WU_TR.pdf
(9 pages)
Specifications of LM2576-12BU TR
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
12V
Current - Output
3A
Frequency - Switching
42kHz ~ 63kHz
Voltage - Input
4 ~ 40 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
D²Pak, TO-263 (5 leads + tab)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
Other names
LM2576-12BUTR
LM2576-12BUTR
LM2576-12BUTR
LM2576
Electrical Characteristics (continued)
Symbol
DEVICE PARAMETERS, ADJUSTABLE REGULATOR
I
DEVICE PARAMETERS, FIXED and ADJUSTABLE REGULATORS
f
V
DC
I
I
I
I
M9999-082605-B
B
O
CL
L
Q
STBY
JA
JA
JC
SAT
Parameter
Feedback Bias Current
Oscillator Frequency
Saturation Voltage
Max Duty Cycle (ON)
Current Limit
Output Leakage Current V
Quiescent Current
Standby Quiescent
Current
Thermal Resistance
Conditions
V
I
(Note 5)
Peak Current, t
(Note 6)
(Note 6)
ON/OFF Pin = 5V (OFF)
T,U Package, Junction to Ambient (Note 7)
T,U Package, Junction to Ambient (Note 8)
T,U Package, Junction to Case
OUT
OUT
IN
= 40V, (Note 6),
= 3A (Note 4)
= 5V
ON
3 s (Note 4)
Output = 0V
Output = –1V
Output = –1V
4
Typ
1.4
5.8
7.5
50
52
98
50
45
65
5
2
(Note 2)
LM2576
100/500
1.8/2.0
4.2/3.5
6.9/7.5
47/42
58/63
Limit
200
93
30
10
2
August 2005
Micrel, Inc.
kHz (max)
kHz (min)
mA(max)
mA(max)
mA(max)
(Limits)
V(max)
A(max)
%(min)
A(min)
A(max)
Units
kHz
C/W
mA
mA
nA
%
V
A
A