Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Human Body Model (Note 2)
Lead Temperature
2 kV
S Package
Vapor Phase (60 sec.)
Infrared (10 sec.)
+215˚C
+245˚C
+260˚C
+150˚C
Maximum Supply Voltage (VIN
ON/OFF Pin Voltage
Feedback Pin Voltage
Output Voltage to Ground
(Steady State)
)
63V
−0.3 ≤ V ≤ +25V
−0.3 ≤ V ≤ +25V
T Package (Soldering, 10 sec.)
Maximum Junction Temperature
−1V
Internally limited
−65˚C to +150˚C
Operating Conditions
Temperature Range
Supply Voltage
Power Dissipation
−40˚C ≤ TJ ≤ +125˚C
Storage Temperature Range
ESD Susceptibility
4.5V to 60V
LM2592HV-3.3
Electrical Characteristics
Specifications with standard type face are for TJ = 25˚C, and those with boldface type apply over full Operating Tempera-
ture Range.
Symbol
Parameter
Conditions
LM2592HV-3.3
Units
(Limits)
Typ
Limit
(Note 3)
3.3
(Note 4)
SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1
VOUT
Output Voltage
4.75V ≤ VIN ≤ 60V, 0.2A ≤ ILOAD ≤ 2A
V
3.168/3.135
3.432/3.465
V(min)
V(max)
η
Efficiency
VIN = 12V, ILOAD = 2A
76
LM2592HV-5.0
Electrical Characteristics
Specifications with standard type face are for TJ = 25˚C, and those with boldface type apply over full Operating Tempera-
ture Range.
Symbol
Parameter
Conditions
LM2592HV-5.0
Units
(Limits)
Typ
Limit
(Note 3)
5
(Note 4)
SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1
VOUT
Output Voltage
7V ≤ VIN ≤ 60V, 0.2A ≤ ILOAD ≤ 2A
V
4.800/4.750
5.200/5.250
V(min)
V(max)
%
η
Efficiency
VIN = 12V, ILOAD = 2A
81
LM2592HV-ADJ
Electrical Characteristics
Specifications with standard type face are for TJ = 25˚C, and those with boldface type apply over full Operating Tempera-
ture Range.
Symbol
Parameter
Conditions
LM2592HV-ADJ
Units
(Limits)
Typ
Limit
(Note 3)
1.230
(Note 4)
SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1
VFB
Feedback Voltage
4.5V ≤ VIN ≤ 60V, 0.2A ≤ ILOAD ≤ 2A
V
VOUT programmed for 3V. Circuit of Figure 1.
1.193/1.180
1.267/1.280
V(min)
V(max)
%
η
Efficiency
VIN = 12V, VOUT = 3V, ILOAD = 2A
75
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