LM2575-12 Micrel Semiconductor, LM2575-12 Datasheet - Page 3

• Manufacturer Part Number: LM2575-12
• Description: 52kHz Simple 1A Buck Regulator
• Manufacturer: Micrel Semiconductor

LM2575
Maximum Supply Voltage
ON/OFF Pin Input Voltage
Output Voltage to Ground (Steady State)
Power Dissipation
Storage Temperature Range
Minimum ESD Rating
Lead Temperature (soldering, 10 sec.)
Maximum Junction Temperature
Electrical Characteristics
over full Operating Temperature Range. Unless otherwise specified, V
Symbol
SYSTEM PARAMETERS, ADJUSTABLE REGULATORS (Note 3) Test Circuit Figure 1
V
V
SYSTEM PARAMETERS, 3.3V REGULATORS (Note 3) Test Circuit Figure 1
V
V
SYSTEM PARAMETERS, 5V REGULATORS (Note 3) Test Circuit Figure 1
V
V
SYSTEM PARAMETERS, 12V REGULATORS (Note 3) Test Circuit Figure 1
V
V
August 1999
Absolute Maximum Ratings
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
C = 100pF, R = 1.5k
FB Pin
Parameter
Feedback Voltage
Feedback Voltage
LM2575
Efficiency
Output Voltage
Output Voltage
LM2575-3.3
Efficiency
Output Voltage
Output Voltage
LM2575-5.0
Efficiency
Output Voltage
Output Voltage
LM2575-12
Efficiency
Conditions
V
V
0.2A
V
V
V
V
0.2A
V
V
V
V
0.2A
V
V
V
V
0.2A
V
V
IN
OUT
OUT
IN
IN
OUT
OUT
IN
IN
OUT
OUT
IN
IN
OUT
OUT
IN
Specifications with standard typeface are for T
= 12V , I
= 12V, I
= 12V , I
= 12V, I
= 12V , I
= 12V, I
= 25V , I
= 25V, I
(Note 1)
= 5V
= 5V
= 3.3V
= 3.3V
= 5V
= 5V
= 12V
= 12V
I
I
I
I
LOAD
LOAD
LOAD
LOAD
–0.3V
Internally Limited
–65 C to +150 C
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
1A, 8V
1A, 8V
1A, 8V
1A, 15V
V
= 1A, V
= 1A
= 1A
= 1A
= 0.2A
= 0.2A
= 0.2A
= 0.2A
260 C
150 C
+40V
2 kV
1 kV
45V
–1V
V
V
V
OUT
V
IN
IN
IN
IN
3
= 5V
40V
40V
40V
Operating Ratings
Temperature Range
Supply Voltage
40V
IN
= 12V, and I
1.230
1.230
Typ
3.3
3.3
5.0
5.0
82
75
82
12
12
88
J
LOAD
= 25 C, and those with boldface type apply
= 200mA.
11.520/11.400
12.480/12.600
1.193/1.180
1.267/1.280
3.168/3.135
3.432/3.465
4.800/4.750
5.200/5.250
(Note 2)
LM2575
11.760
12.240
1.217
1.243
3.234
3.366
4.900
5.100
Limit
–40 C
T
J
(Limits)
V(max)
V(max)
V(max)
V(max)
V(max)
V(max)
V(max)
V(max)
V(min)
V(min)
V(min)
V(min)
V(min)
V(min)
V(min)
V(min)
Units
+125 C
%
%
%
%
M2575
V
V
V
V
V
V
V
V
Micrel
40V