LM2576T-5.0.TR データシートの表示（PDF） - Semtech Corporation
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LM2576T-5.0.TR Datasheet PDF : 19 Pages
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LM2575 & LM2576
POWER MANAGEMENT
Absolute Maximum Ratings
Parameter
Symbol
Maximum
Units
Input Voltage
On/Off Pin Input Voltage
Output Voltage to Common (Steady State)
VIN
45
V
VON/OFF
-0.3 £ VON/OFF £ VIN
V
-1
V
Power Dissipation
Thermal Resistance Junction to Ambient
TO-220
TO-263
PD
Internally Limited
W
qJA
55
°C/W
60
Thermal Resistance Junction to Case
TO-220
TO-263
qJC
2.0
°C/W
2.0
Operating Junction Temperature Range
TJ
-40 to +125
°C
Storage Temperature Range
TSTG
-65 to +150
°C
Lead Temperature (Soldering) 10 Sec.
TLEAD
300
°C
ESD Rating (Human Body Model)
VESD
2
kV
Electrical Characteristics
Unless otherwise specified: VIN = 12V for 3.3V, 5V and ADJ options and 25V for 12V option; VOUT = 5V for ADJ option; TA = 25ºC; VIN rated = 40V;
IO = 0.5 to 3A (LM2576), 0.2 to 1A (LM2575). Values in bold apply over full operating temperature range.
Parameter
Symbol
Test Conditions
Min Typ Max Units
Output Voltage
LM2576-3.3
VO
IO = 0.5A
3.23 3.30 3.37 V
8V to VIN Rated
3.20
3.40
3.14
3.47
Output Voltage
LM2576-5
VO
IO = 0.5A
4.90 5.00 5.10 V
8V to VIN Rated
4.85
5.15
4.75
5.25
Output Voltage
LM2576-12
VO
IO = 0.5A
11.76 12.00 12.24 V
15V to VIN Rated
11.52
12.48
11.40
12.60
Feedback Voltage
VFB
LM2576-ADJ, VO = 5V
IO = 0.5A
8V to VIN Rated
1.217 1.230 1.243 V
1.193
1.267
1.180
1.280
Feedback Bias Current
IB
LM2576-ADJ
VIN = 12V, IO = 0.5A
50 100 nA
500
ã 2001 Semtech Corp.
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