LM2599SX-12/NOPB National Semiconductor, LM2599SX-12/NOPB Datasheet - Page 2

• Manufacturer Part Number: LM2599SX-12/NOPB
• Description: IC REG SW 12V 3A STP DN TO-263-7
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2599SX-12/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 12V
• Current - Output: 3A
• Frequency - Switching: 150kHz
• Voltage - Input: 4.5 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (7 leads + tab)
• For Use With: 551011367-021 - BOARD WEBENCH BUILD IT LM2599
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2599SX-12; *LM2599SX-12/NOPB; LM2599SX-12

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Symbol
SYSTEM PARAMETERS (Note 6) Test Circuit Figure 1
V
SYSTEM PARAMETERS (Note 6) Test Circuit Figure 1
V
Symbol
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Maximum Supply Voltage (V
SD /SS Pin Input Voltage (Note 2)
Delay Pin Voltage (Note 2)
Flag Pin Voltage
Feedback Pin Voltage
Output Voltage to Ground
Power Dissipation
Storage Temperature Range
LM2599-3.3
Electrical Characteristics
Specifications with standard type face are for T
ture Range.
LM2599-5.0
Electrical Characteristics
Specifications with standard type face are for T
ture Range.
OUT
OUT
(Steady State)
Output Voltage
Efficiency
Output Voltage
Efficiency
Parameter
Parameter
IN
)
4.75V
V
7V
V
IN
IN
= 12V, I
= 12V, I
V
IN
V
−65˚C to +150˚C
Internally limited
IN
−0.3
−0.3
LOAD
40V, 0.2A
(Note 1)
J
LOAD
J
40V, 0.2A
= 25˚C, and those with boldface type apply over full Operating Tempera-
= 25˚C, and those with boldface type apply over full Operating Tempera-
Conditions
Conditions
V +25V
= 3A
V 45V
= 3A
1.5V
45V
−1V
6V
I
LOAD
I
LOAD
2
ESD Susceptibility
Lead Temperature
Maximum Junction Temperature
Operating Conditions
Temperature Range
Supply Voltage
3A
Human Body Model (Note 3)
S Package
T Package (Soldering, 10 sec.)
3A
Vapor Phase (60 sec.)
Infrared (10 sec.)
(Note 4)
(Note 4)
Typ
80
Typ
5
3.3
73
LM2599-5.0
LM2599-3.3
4.800/4.750
5.200/5.250
3.168/3.135
3.432/3.465
(Note 5)
(Note 5)
Limit
Limit
−40˚C
T
4.5V to 40V
J
(Limits)
(Limits)
V(max)
V(max)
V(min)
V(min)
Units
Units
+215˚C
+245˚C
+260˚C
+150˚C
+125˚C
%
%
V
V
2 kV