LM2575T-12 National Semiconductor, LM2575T-12 Datasheet - Page 6

• Manufacturer Part Number: LM2575T-12
• Description: Voltage Regulator IC
• Manufacturer: National Semiconductor

Specifications of LM2575T-12

• No. Of Pins: 5
• Output Current: 1A
• Peak Reflow Compatible (260 C): No
• Output Voltage: 12V
• Termination Type: Through Hole
• Supply Voltage Max: 40V
• Leaded Process Compatible: No
• Mounting Type: Through Hole
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

www.national.com
SYSTEM PARAMETERS (Note 4) Test Circuit Figure 2
V
V
V
DEVICE PARAMETERS
I
f
V
DC
I
I
I
I
b
O
CL
L
Q
STBY
Symbol
Symbol
OUT
OUT
OUT
SAT
LM1575-ADJ, LM2575-ADJ, LM2575HV-ADJ
Electrical Characteristics
Specifications with standard type face are for T
Range.
All Output Voltage Versions
Electrical Characteristics
Specifications with standard type face are for T
ture Range. Unless otherwise specified, V
and V
IN
Feedback Voltage
Feedback Voltage
LM1575/LM2575
Feedback Voltage
LM2575HV
Efficiency
= 30V for the 15V version. I
Feedback Bias Current
Oscillator Frequency
Saturation Voltage
Max Duty Cycle (ON)
Current Limit
Output Leakage
Current
Quiescent Current
Standby Quiescent
Current
Parameter
Parameter
V
V
Circuit of Figure 2
0.2A
8V
V
0.2A
8V
V
V
V
(Note 13)
I
(Note 6)
Peak Current (Notes 5, 13)
(Notes 7, 8)
(Note 7)
ON /OFF Pin = 5V (OFF)
OUT
IN
OUT
OUT
OUT
IN
OUT
LOAD
= 12V, I
= 12V, I
= 1A (Note 5)
V
V
= 5V
= 5V, Circuit of Figure 2
= 5V, Circuit of Figure 2
= 5V (Adjustable Version Only)
IN
IN
I
I
LOAD
LOAD
= 200 mA.
IN
= 12V for the 3.3V, 5V, and Adjustable version, V
40V
60V
LOAD
LOAD
Conditions
J
J
= 25˚C, and those with boldface type apply over full Operating Temperature
= 25˚C, and those with boldface type apply over full Operating Tempera-
1A,
1A,
Conditions
= 0.2A
= 1A, V
Output = 0V
Output = −1V
Output = −1V
OUT
6
= 5V
1.230
1.230
1.230
Typ
77
Typ
0.9
2.2
7.5
50
52
98
50
5
LM1575-ADJ
1.205/1.193
1.255/1.267
1.205/1.193
1.261/1.273
(Note 2)
LM1575-XX
1.217
1.243
Limit
(Note 2)
100/500
200/500
1.2/1.4
1.7/1.3
3.0/3.2
Limit
47/43
58/62
10/12
93
30
2
IN
= 25V for the 12V version,
LM2575HV-ADJ
LM2575HV-XX
LM2575-ADJ
1.193/1.180
1.267/1.280
1.193/1.180
1.273/1.286
LM2575-XX
(Note 3)
(Note 3)
100/500
Limit
1.217
1.243
1.2/1.4
1.7/1.3
3.0/3.2
Limit
47/42
58/63
200
93
30
10
2
kHz(Max)
mA(Max)
mA(Max)
mA(Max)
kHz(Min)
µA(Max)
(Limits)
(Limits)
V(Max)
A(Max)
V(Max)
V(Max)
V(Max)
%(Min)
A(Min)
V(Min)
V(Min)
V(Min)
Units
Units
kHz
mA
mA
nA
µA
%
%
V
A
V
V
V