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LT8650SPJVPBF 数据表(PDF) 8 Page - Analog Devices

部件名 LT8650SPJVPBF
功能描述  Dual Channel 6A, 42V, Synchronous Step-Down Silent Switcher 2 with 6.2μA Quiescent Current
PDF  34 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

LT8650SPJVPBF 数据表(HTML) 8 Page - Analog Devices

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LT8650SP
8
Rev. B
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Temperature Monitor Pin
Bias Pin Current per Channel
Bias Pin Current per Channel
Transient Response Internal
Compensation
Transient Response Internal
Compensation
Transient Response External
Compensation
BELOW 5°C: 10kΩ RESISTOR
FROM TEMP TO –2V
ABOVE 5°C: FLOAT TEMP
EN2 = 0V, SS1=0V, FCM
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
–0.55
–0.25
0.05
0.35
0.65
0.95
1.25
1.55
8650sp G29
INPUT VOLTAGE (V)
5
10
15
20
25
30
35
40
45
14.0
14.5
15.0
15.5
16.0
16.5
17.0
17.5
18.0
fSW = 2MHz
LOAD = 1A
8650sp G30
SWITCHING FREQUENCY (MHZ)
0
0.5
1
1.5
2
2.5
3
0
2
4
6
8
10
12
14
16
18
20
22
24
VIN = 12V
LOAD = 2A
8650sp G31
20µs/DIV
VOUT
100mV/DIV
ILOAD
2A/DIV
2A TO 4A TRANSIENT
3.3VOUT
COUT = 47µF ×2
FCM, fSW = 2MHz
8650sp G32
20µs/DIV
VOUT
100mV/DIV
ILOAD
2A/DIV
40mA TO 2A TRANSIENT
3.3VOUT
COUT = 47µF ×2
FCM, fSW = 2MHz
8650sp G33
20µs/DIV
VOUT
100mV/DIV
ILOAD
2A/DIV
2A TO 4A TRANSIENT
3.3VOUT
COUT = 47µF ×2
FCM, fSW = 2MHz
CC = 220pF, RC = 14k
8650sp G34
Forced Continuous Mode (FCM)
Burst Mode Operation
Transient Response External
Compensation
40mA TO 2A TRANSIENT
3.3VOUT
COUT = 47µF ×2
FCM, fSW = 2MHz
CC = 220pF, RC = 14k
20µs/DIV
VOUT
100mV/DIV
ILOAD
2A/DIV
8650sp G35
2µs/DIV
SW
5V/DIV
IL
1A/DIV
12VIN TO 5VOUT AT 100mA
SYNC = FLOAT
8650sp G36
2µs/DIV
SW
5V/DIV
IL
1A/DIV
12VIN TO 5VOUT AT 100mA
SYNC = 0V
8650sp G37



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