LM2576SX-3.3/NOPB National Semiconductor, LM2576SX-3.3/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM2576SX-3.3/NOPB
• Description: IC REG SW 3.3V 3A STP DN TO263-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2576SX-3.3/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 3A
• Frequency - Switching: 52kHz
• Voltage - Input: 4 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (5 leads + tab)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2576SX-3.3; *LM2576SX-3.3/NOPB; LM2576SX-3.3

www.national.com
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
η
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
V
V
η
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
V
V
η
LM2576-5.0, LM2576HV-5.0
Electrical Characteristics
Specifications with standard type face are for T
perature Range.
LM2576-12, LM2576HV-12
Electrical Characteristics
Specifications with standard type face are for T
Range.
OUT
OUT
OUT
LM2576-15, LM2576HV-15
Electrical Characteristics
Specifications with standard type face are for T
Range.
OUT
OUT
OUT
Symbol
Symbol
Symbol
Efficiency
Output Voltage
Output Voltage
LM2576
Output Voltage
LM2576HV
Efficiency
Output Voltage
Output Voltage
LM2576
Output Voltage
LM2576HV
Efficiency
Parameter
Parameter
Parameter
V
V
Circuit of Figure 2
0.5A ≤ I
15V ≤ V
Circuit of Figure 2
0.5A ≤ I
15V ≤ V
Circuit of Figure 2
V
V
Circuit of Figure 2
0.5A ≤ I
18V ≤ V
Circuit of Figure 2
0.5A ≤ I
18V ≤ V
Circuit of Figure 2
V
IN
IN
IN
IN
IN
(Continued)
= 12V, I
= 25V, I
= 15V, I
= 25V, I
= 18V, I
J
J
J
= 25˚C, and those with Figure 2 boldface type apply over full Operating Tem-
= 25˚C, and those with boldface type apply over full Operating Temperature
= 25˚C, and those with boldface type apply over full Operating Temperature
LOAD
LOAD
LOAD
LOAD
IN
IN
IN
IN
≤ 40V
≤ 60V
≤ 40V
≤ 60V
Conditions
Conditions
Conditions
LOAD
LOAD
LOAD
LOAD
LOAD
≤ 3A,
≤ 3A,
≤ 3A,
≤ 3A,
= 3A
= 0.5A
= 3A
= 0.5A
= 3A
4
Typ
Typ
Typ
77
12
12
12
88
15
15
15
88
LM2576HV-5.0
LM2576HV-12
LM2576HV-15
LM2576-5.0
LM2576-12
LM2576-15
11.52/11.40
12.48/12.60
11.52/11.40
12.54/12.66
14.40/14.25
15.60/15.75
14.40/14.25
15.68/15.83
(Note 2)
(Note 2)
(Note 2)
11.76
12.24
14.70
15.30
Limit
Limit
Limit
(Limits)
(Limits)
(Limits)
V(Max)
V(Max)
V(Max)
V(Max)
V(Max)
V(Max)
V(Min)
V(Min)
V(Min)
V(Min)
V(Min)
V(Min)
Units
Units
Units
%
%
%
V
V
V
V
V
V