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LT7101 Datasheet(PDF) 7 Page - Analog Devices

Part # LT7101
Description  105V, 1A Low EMI Synchronous Step-Down Regulator
PDF  38 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT7101 Datasheet(HTML) 7 Page - Analog Devices

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LT7101
7
Rev. 0
For more information www.analog.com
Quiescent Input Current vs Input
Voltage
VIN Quiescent Current vs
Temperature
Inductor Current at Light Load
Top and Bottom Switch
Resistance vs Temperature
Minimum On-Time vs
Temperature
Oscillator Frequency vs
Temperature
TYPICAL PERFORMANCE CHARACTERISTICS T
A = 25°C, unless otherwise noted.
TOP SWITCH
BOTTOM SWITCH
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
150
300
450
600
750
900
1050
1200
1350
7101 G19
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
25
30
35
40
45
50
7101 G20
FREQ = GND (300kHz)
FREQ = 12.5k (200kHz)
FREQ = 57.5k (2MHz)
FREQ = INTVCC (1MHz)
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
–3
–2
–1
0
1
2
3
7101 G21
SLEEP, EXTVCC = GND
SHUTDOWN
VIN VOLTAGE (V)
0
15
30
45
60
75
90
105
0.0
2.0
4.0
6.0
8.0
10.0
7101 G22
SLEEP
SHUTDOWN
EXTVCC = GND
VIN = 100V
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
0
5
10
15
20
25
7101 G23
VIN = 48V
ILOAD = 200µA
FIGURE 14 CIRCUIT
10µs/DIV
BURST MODE
500mA/DIV
PULSE–SKIPPING
MODE
500mA/DIV
FORCED
CONTINUOUS
MODE
500mA/DIV
7101 G24



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