参数资料
型号: LM2596TVADJG
厂商: ON Semiconductor
文件页数: 2/25页
文件大小: 0K
描述: IC REG BUCK ADJ 3A TO220-5
标准包装: 50
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 1.23 V ~ 37 V
输入电压: 4.5 V ~ 40 V
PWM 型: 电压模式
频率 - 开关: 150kHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-220-5 成形引线
包装: 管件
供应商设备封装: TO-220-5
其它名称: LM2596TVADJG-ND
LM2596TVADJGOS
LM2596
Typical Application (Adjustable Output Voltage Version)
Feedback
R1
R2
C out
220 m F
12 V
Unregulated
DC Input
C in
100 m F
+V in
1
LM2596
3 GND 5
4
Output
2
ON/OFF
L1
33 m H 3.1k
D1
1N5822
1.0k
C FF
5.0 V Regulated
Output 3.0 A Load
Block Diagram
Unregulated
DC Input
+V in
1
3.1 V Internal
Regulator
ON/OFF
ON/OFF
5
C in
Feedback
Current
R2
Fixed Gain
Limit
C FF
4
Error Amplifier Comparator
R1
Freq
Shift
Latch
Driver
Output
L1
Regulated
Output
V out
30 kHz
3.0 Amp
2
1.235 V
Band-Gap
Reference
150 kHz
Oscillator
Reset
Thermal
Shutdown
Switch
GND
3
D1
C out
Load
Figure 1. Typical Application and Internal Block Diagram
MAXIMUM RATINGS
Rating
Maximum Supply Voltage
ON/OFF Pin Input Voltage
Output Voltage to Ground (Steady ? State)
Symbol
V in
?
?
Value
45
? 0.3 V ≤ V ≤ +V in
? 1.0
Unit
V
V
V
Power Dissipation
Case 314B and 314D (TO ? 220, 5 ? Lead)
Thermal Resistance, Junction ? to ? Ambient
Thermal Resistance, Junction ? to ? Case
Case 936A (D 2 PAK)
Thermal Resistance, Junction ? to ? Ambient
Thermal Resistance, Junction ? to ? Case
Storage Temperature Range
Minimum ESD Rating (Human Body Model: C = 100 pF, R = 1.5 k W )
Lead Temperature (Soldering, 10 seconds)
Maximum Junction Temperature
P D
R q JA
R q JC
P D
R q JA
R q JC
T stg
?
?
T J
Internally Limited
65
5.0
Internally Limited
70
5.0
? 65 to +150
2.0
260
150
W
° C/W
° C/W
W
° C/W
° C/W
° C
kV
° C
° C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
http://onsemi.com
2
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