LM2576D2T-5 Motorola Inc, LM2576D2T-5 Datasheet - Page 3
LM2576D2T-5
Manufacturer Part Number
LM2576D2T-5
Description
EASY SWITCHERE 3.0 A STEP-DOWN VOLTAGE REGULATOR
Manufacturer
Motorola Inc
Datasheet
1.LM2576D2T-5.pdf
(27 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM2576D2T-5.0
Manufacturer:
ON/安森美
Quantity:
20 000
Company:
Part Number:
LM2576D2T-5.0G
Manufacturer:
TI
Quantity:
6 892
Company:
Part Number:
LM2576D2T-5G
Manufacturer:
NEC
Quantity:
2 000
Part Number:
LM2576D2T-5G
Manufacturer:
ON/安森美
Quantity:
20 000
OPERATING RATINGS
intended to be functional, but do not guarantee specific performance limits. For guaranteed
specifications and test conditions, see the Electrical Characteristics.)
SYSTEM PARAMETERS
ELECTRICAL CHARACTERISTICS
the 12 V version, and V in = 30 V for the 15 V version. I Load = 500 mA. For typical values T J = 25 C, for min/max values T J is the operating
junction temperature range that applies [Note 2], unless otherwise noted.)
LM2576–3.3 ([Note 1] Test Circuit Figure 15)
LM2576–5 ([Note 1] Test Circuit Figure 15)
LM2576–12 ([Note 1] Test Circuit Figure 15)
LM2576–15 ([Note 1] Test Circuit Figure 15)
LM2576 ADJUSTABLE VERSION ([Note 1] Test Circuit Figure 15)
NOTES: 1. External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance. When the
Feedback Voltage (8.0 V
MOTOROLA ANALOG IC DEVICE DATA
Operating Junction Temperature Range
Supply Voltage
Output Voltage (V in = 12 V, I Load = 0.5 A, T J = 25 C)
Output Voltage (6.0 V
Efficiency (V in = 12 V, I Load = 3.0 A)
Output Voltage (V in = 12 V, I Load = 0.5 A, T J = 25 C)
Output Voltage (8.0 V
Output Voltage (V in = 25 V, I Load = 0.5 A, T J = 25 C)
Output Voltage (15 V
Efficiency (V in = 15 V, I Load = 3.0 A)
Output Voltage (V in = 30 V, I Load = 0.5 A, T J = 25 C)
Output Voltage (18 V
Efficiency (V in = 18 V, I Load = 3.0 A)
Feedback Voltage (V in = 12 V, I Load = 0.5 A, V out = 5.0 V, T J = 25 C)
Efficiency (V in = 12 V, I Load = 3.0 A, V out = 5.0 V)
T J = 25 C
T J = –40 to +125 C
T J = 25 C
T J = –40 to +125 C
Efficiency (V in = 12 V, I Load = 3.0 A)
T J = 25 C
T J = –40 to +125 C
T J = 25 C
T J = –40 to +125 C
T J = 25 C
T J = –40 to +125 C
2. Tested junction temperature range for the LM2576:
LM2576 is used as shown in the Figure 15 test circuit, system performance will be as shown in system parameters section .
Rating
V in
V in
V in
V in
V in
(Operating Ratings indicate conditions for which the device is
Characteristics
40 V, 0.5 A
40 V, 0.5 A
40 V, 0.5 A
40 V, 0.5 A
([Note 1] Test Circuit Figure 15)
40 V, 0.5 A
(Unless otherwise specified, V in = 12 V for the 3.3 V, 5.0 V, and Adjustable version, V in = 25 V for
I Load
I Load
I Load
I Load
I Load
3.0 A)
3.0 A)
3.0 A)
3.0 A)
3.0 A, V out = 5.0 V)
Symbol
V in
T J
T low = –40 C
LM2576
–40 to +125
Value
40
T high = +125 C
Symbol
V out
V out
V out
V out
V out
V out
V out
V out
V out
V out
Unit
V
C
3.234
3.168
3.135
11.52
14.25
1.193
1.217
4.75
11.76
14.4
1.18
11.4
Min
14.7
4.8
4.9
–
–
–
–
–
1.23
Typ
1.23
3.3
3.3
5.0
5.0
12
15
75
77
12
88
15
88
77
–
–
–
–
–
3.366
3.432
3.465
12.48
15.75
1.267
12.24
1.243
Max
5.25
12.6
15.6
1.28
15.3
5.2
5.1
–
–
–
–
–
Unit
V
V
%
%
%
%
%
V
V
V
V
V
V
V
V
3