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LM67660 Datasheet(PDF) 34 Page - Texas Instruments

Part # LM67660
Description  LM65680, LM65660 and LM65640 65V, 8A/6A/4A, Synchronous Buck DC/DC Converter Family With Low-EMI ZEN 1 Switcher Technology Optimized for High Power Density
PDF  66 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM67660 Datasheet(HTML) 34 Page - Texas Instruments

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Ambient Temperature (°C)
0
20
40
60
80
100
120
140
160
0
1
2
3
4
5
6
7
8
9
10
Input Voltage
VIN = 12V
VIN = 24V
VIN = 48V
VIN = 12V, 24V, 48V
VOUT = 5V
FSW = 400kHz
RθJA = 18°C/W
Figure 8-3. LM65680Output Current Derating vs
Ambient Temperature (5VOUT, 400kHz)
Ambient Temperature (
C)
0
20
40
60
80
100
120
140
160
0
1
2
3
4
5
6
7
8
9
10
Input Voltage
VIN = 24V
VIN = 48V
VIN = 24V, 48V
VOUT = 12V
FSW = 400kHz
RθJA = 18°C/W
Figure 8-4. LM65680 Output Current Derating vs
Ambient Temperature (12VOUT, 400kHz)
Ambient Temperature (
C)
0
20
40
60
80
100
120
140
160
0
1
2
3
4
5
6
7
8
9
10
Input Voltage
VIN = 12V
VIN = 24V
VIN = 48V
VIN = 12V, 24V, 48V
VOUT = 5V
FSW = 800kHz
RθJA = 18°C/W
Figure 8-5. LM65680 Output Current Derating vs
Ambient Temperature (5VOUT, 800kHz)
Ambient Temperature (°C)
0
20
40
60
80
100
120
140
160
0
1
2
3
4
5
6
7
8
9
10
Input Voltage
VIN = 12V
VIN = 24V
VIN = 48V
VIN = 12V, 24V, 48V
VOUT = 5V
FSW = 2.1MHz
RθJA = 18°C/W
Figure 8-6. LM65680 Output Current Derating vs
Ambient Temperature (5VOUT, 2.1MHz)
LM65680
SNVSCF2 – NOVEMBER 2025
www.ti.com
34
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Copyright © 2025 Texas Instruments Incorporated
Product Folder Links: LM65680



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