LM2575D2T-12 ON Semiconductor, LM2575D2T-12 Datasheet - Page 2
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LM2575D2T-12
Manufacturer Part Number
LM2575D2T-12
Description
EASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATOR
Manufacturer
ON Semiconductor
Datasheet
1.LM2575D2T-12.pdf
(28 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM2575D2T-12R4G
Manufacturer:
ON/安森美
Quantity:
20 000
ABSOLUTE MAXIMUM RATINGS
which damage to the device may occur.)
NOTE: ESD data available upon request.
Unregulated
2
Maximum Supply Voltage
ON/OFF Pin Input Voltage
Output Voltage to Ground (Steady–State)
Power Dissipation
Storage Temperature Range
Minimum ESD Rating (Human Body Model: C
Lead Temperature (Soldering, 10 s)
Maximum Junction Temperature
Case 314B and 314D (TO–220, 5–Lead)
Case 936A (D 2 PAK)
= 100 pF, R = 1.5 k )
DC Input
Thermal Resistance, Junction–to–Ambient
Thermal Resistance, Junction–to–Case
Thermal Resistance, Junction–to–Ambient
Thermal Resistance, Junction–to–Case
(Figure 34)
C in
Rating
Feedback
+V in
1
4
Unregulated
7.0 V – 40 V
DC Input
R2
R1
1.0 k
Band–Gap
Reference
Representative Block Diagram and Typical Application
1.235 V
(Absolute Maximum Ratings indicate limits beyond
Typical Application (Fixed Output Voltage Versions)
Figure 1. Block Diagram and Typical Application
Fixed Gain
Error Amplifier
100 F
18 kHz
Freq
Shift
C in
This device contains 162 active transistors.
+V in
Oscillator
Symbol
52 kHz
R JC
R JC
R JA
R JA
1
T stg
V in
P D
P D
T J
Comparator
–
–
–
–
3.1 V Internal
Regulator
3
LM2575
Gnd
LM2575
–0.3 V
Internally Limited
Internally Limited
5
–65 to +150
Reset
Latch
ON/OFF
Value
–1.0
260
150
5.0
5.0
3.0
Current
45
65
70
V
Limit
4
Output
2
ON/OFF
Feedback
+V in
Shutdown
Thermal
Driver
D1
1N5819
330 H
L1
Unit
C/W
C/W
C/W
C/W
kV
W
W
V
V
V
C
C
C
1.0 Amp
Switch
C out
330 F
MOTOROLA ANALOG IC DEVICE DATA
5.0 V Regulated
Output 1.0 A Load
ON/OFF
5
Output
2
Gnd
3
Voltage Versions
For adjustable version
R1 = open, R2 = 0
D1
Output
3.3 V
5.0 V
12 V
15 V
L1
C out
8.84 k
11.3 k
1.7 k
3.1 k
( )
Regulated
R2
Output
V out
Load