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LTM8045 Datasheet(PDF) 10 Page - Analog Devices

Part # LTM8045
Description  EN55022B Compliant 40V, Dual 4A or Single 8A Step-Down or 50W Inverting 關Module Regulator
PDF  54 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTM8045 Datasheet(HTML) 10 Page - Analog Devices

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LTM4655
10
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, single channel positive-VOUTn+
operation only, unless otherwise noted.
Efficiency vs Load Current at
5VIN, Forced Continuous Mode
Efficiency vs Load Current at
12VIN, Forced Continuous Mode
Efficiency vs Load Current at
15VIN, Forced Continuous Mode
Efficiency vs Load Current at
24VIN, Forced Continuous Mode
Efficiency vs Load Current at
36VIN, Forced Continuous Mode
1.2VOUT, 400kHz
1.5VOUT, 400kHz
1.8VOUT, 400kHz
2.5VOUT, 400kHz
3.3VOUT, 400kHz
1.0VOUT, 400kHz
65
70
75
80
85
90
95
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
LOAD CURRENT (A)
4655 G01
1.5VOUT, 400kHz
1.8VOUT, 400kHz
2.5VOUT, 400kHz
3.3VOUT, 400kHz
5.0VOUT, 400kHz
1.2VOUT, 400kHz
1.0VOUT, 400kHz
65
70
75
80
85
90
95
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
LOAD CURRENT (A)
4655 G02
1.8VOUT, 400kHz
2.5VOUT, 400kHz
3.3VOUT, 400kHz
5.0VOUT, 450kHz
12VOUT, 500kHz
1.5VOUT, 400kHz
1.2VOUT, 400kHz
1.0VOUT, 400kHz
60
65
70
75
80
85
90
95
100
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
LOAD CURRENT (A)
4655 G03
2.5VOUT, 400kHz
3.3VOUT, 400kHz
5.0VOUT, 550kHz
12VOUT, 800kHz
15VOUT, 750kHz
1.0VOUT, 400kHz
1.2VOUT, 400kHz
1.5VOUT, 400kHz
1.8VOUT, 400kHz
55
60
65
70
75
80
85
90
95
100
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
LOAD CURRENT (A)
4655 G04
5VOUT, 575kHz
12VOUT, 1.1MHz
15VOUT, 1.2MHz
24VOUT, 1.2MHz
1.5VOUT, 400kHz
1.8VOUT, 400kHz
2.5VOUT, 400kHz
55
60
65
70
75
80
85
90
95
100
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
LOAD CURRENT (A)
4655 G05
3.3VOUT, 400kHz
1V Transient Response, 24VIN
40µs/DIV
VOUTn+
50mV/DIV
AC-COUPLED
IOUTn+
2A/DIV
4655 G06
FIGURE 51 CIRCUIT, 24VIN,
CINHn = CDn = 4.7µF, COUTn = 3 x 100µF,
RfSETn = N/A, RISETn = 20k,
CTHn = 6.8nF, RTHn = 681,
REXTVCCn = N/A, CEXTVCCn = N/A,
2A to 4A LOAD STEP AT 2A/µs



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