參數(shù)資料
型號(hào): LTC3738CUHF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 3-Phase Buck Controller for Intel VRM9/VRM10 with Active Voltage Positioning
中文描述: 5 A SWITCHING CONTROLLER, 630 kHz SWITCHING FREQ-MAX, PQCC38
封裝: 7 X 5 MM, PLASTIC, M0-220WHKD, QFN-38
文件頁(yè)數(shù): 7/32頁(yè)
文件大小: 316K
代理商: LTC3738CUHF
7
LTC3738
3738f
Maximum Current Threshold
Mismatch vs Temperature
(V
AVP
– V
IN+
) vs
(V
SENSE+
– V
SENSE–
)
Shed Mode at 1A,
Light Load Current
TEMPERATURE (
°
C)
–45
0
0.5
1.0
M
3.0
45
3738 G19
1.5
2.5
2.0
–30
90
0
–15
15
75
30
60
V
SENSE+
– V
SENSE–
(mV)
–15
V
A
I
90
135
180
45
3738 G20
45
0
–45
0
15
30
60
V
10mV/DIV
V
5V/DIV
V
5V/DIV
V
SW3
5V/DIV
2
μ
s/DIV
V
IN
= 12V
V
OUT
= 1.5V
V
= V
FREQUENCY = 210kHz
3738 G21
Pulse Skip Mode at 1A,
Light Load Current
Load Transient with AVP
V
10mV/DIV
V
SW1
5V/DIV
V
SW2
5V/DIV
V
5V/DIV
2
μ
s/DIV
V
IN
= 12V
V
OUT
= 1.5V
V
= OPEN
FREQUENCY = 210kHz
3738 G22
Continuous Mode at 1A,
Light Load Current
V
10mV/DIV
V
5V/DIV
V
5V/DIV
V
5V/DIV
2
μ
s/DIV
V
IN
= 12V
V
OUT
= 1.5V
V
= GND
FREQUENCY = 210kHz
3738 G23
V
OUT
50mV/DIV
3738 G24
V
IN
= 12V
V
OUT
= 1.35V
C
OUT
= 10
×
330
μ
F/2.5V
SANYO TPE POSCAP
+ 18
×
22
μ
F/X5R CERAMIC
I
100A STEP
dI/dt > 200A/
μ
s
80mV
INTEL
SPEC
TYPICAL PERFOR U
T
A
= 25
°
C unless otherwise noted.
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