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LM67660 Datasheet(PDF) 12 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) 12 Page - Texas Instruments

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6.6 Typical Characteristics
Unless otherwise specified, TJ = 25°C.
Load Current (A)
0
1
2
3
4
5
6
7
8
65
70
75
80
85
90
95
100
VIN = 12V
VIN = 24V
VIN = 36V
VIN = 48V
See Figure 8-7
FSW = 400kHz
LO = XGL6060, 3.3μH
Figure 6-1. Efficiency, FPWM, VOUT = 5V
Load Current (A)
0
1
2
3
4
5
6
7
8
65
70
75
80
85
90
95
100
VIN = 12V
VIN = 24V
VIN = 36V
VIN = 48V
VOUT = 3.3V
FSW = 400kHz
LO = XGL6060, 3.3μH
Figure 6-2. Efficiency, FPWM, VOUT = 3.3V
Load Current (mA)
0.01
0.1
1
10
100
1000
8000
8000
10
20
30
40
50
60
70
80
90
100
VIN = 12V
VIN = 24V
VIN = 36V
VIN = 48V
See Figure 8-7
FSW = 400kHz
LO = XGL6060, 5.6μH
Figure 6-3. Efficiency, AUTO Mode, VOUT = 5V
Load Current (mA)
0.01
0.1
1
10
100
1000
8000
8000
10
20
30
40
50
60
70
80
90
100
VIN = 12V
VIN = 24V
VIN = 36V
VIN = 48V
VOUT = 3.3V
FSW = 400kHz
LO = XGL6060, 5.6μH
Figure 6-4. Efficiency, AUTO Mode, VOUT = 3.3V
Junction Te mperature (
C)
-50
-25
0
25
50
75
100
125
150
792
794
796
798
800
802
804
806
808
Figure 6-5. FB Voltage, Internal Compensation
Junction Te mperature (
C)
-50
-25
0
25
50
75
100
125
150
792
794
796
798
800
802
804
806
808
Figure 6-6. FB Voltage, External Compensation
LM65680
SNVSCF2 – NOVEMBER 2025
www.ti.com
12
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Copyright © 2025 Texas Instruments Incorporated
Product Folder Links: LM65680



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