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LTC7802EUFDM-3.3 数据表(PDF) 8 Page - Analog Devices

部件名 LTC7802EUFDM-3.3
功能描述  40V Low IQ, 3MHz Dual, 2-Phase Synchronous Step-Down Controller with Spread Spectrum
PDF  34 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

LTC7802EUFDM-3.3 数据表(HTML) 8 Page - Analog Devices

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LTC7802-3.3
8
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
INTVCC Load Regulation
EXTVCC Switchover and INTVCC
Voltage vs Temperature
INTVCC Undervoltage Lockout
Thresholds vs Temperature
Quiescent Current
vs Temperature
Shutdown Current vs VIN Voltage
TRACK/SS Pull-Up Current
vs Temperature
VIN = 12V
EXTVCC = 0V
EXTVCC = 5V
EXTVCC = 6V
INTVCC LOAD CURRENT (mA)
0
50
100
150
200
250
300
4.0
4.2
4.4
4.6
4.8
5.0
5.2
5.4
CC
780233 G19
INTVCC VOLTAGE
EXTVCC RISING
EXTVCC FALLING
VIN = 12V
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
4.2
4.4
4.6
4.8
5.0
5.2
5.4
CC
780233 G20
RISING
FALLING
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
Thresholds vs Temperature
780233 G21
ONLY CHANNEL 1 ON
SLEEP MODE
VIN = 12V
EXTVCC = 5V
SENSE1– = 3.3V
EXTVCC = 0V
SENSE1– = 3.3V
EXTVCC = 0V
SENSE1– = 0V
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
0
5
10
15
20
25
30
35
40
780233 G22
155°C
25°C
–55°C
125°C
VIN VOLTAGE (V)
0
5
10
15
20
25
30
35
40
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
IN
780332 G23
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
9
10
11
12
13
14
15
780233 G24



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