參數(shù)資料
型號： LTC3634EUFD#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 5.5 A DUAL SWITCHING CONTROLLER, 4600 kHz SWITCHING FREQ-MAX, PQCC28
封裝： 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-28
文件頁數(shù)： 25/28頁
文件大?。?/td> 359K
代理商： LTC3634EUFD#PBF
LTC3634
6
3634f
Typical perForMance characTerisTics
Valley Current Positive Limit
vs Temperature
Valley Current Negative Limit
vs Temperature
TRACKSS Pull-Up Current
vs Temperature
Load Regulation
VTTR Load Regulation
VDDQ Load Step
Start-Up
Start-Up (Channel 2)
TA = 25°C, VIN = 12V, fSW = 1MHz, L = 1.5μH unless
otherwise noted.
TEMPERATURE (°C)
–50
1.4
1.6
2.0
25
75
3634 G15
1.2
1.0
–25
0
50
100
125
0.8
0.6
1.8
I TRACK
(A)
–50 –25
0
VALLEY
CURRENT
LIMIT
(A)
2.5
3.0
125
3634 G13
2.0
3.5
6.0
4.0
4.5
5.5
5.0
50
25
100
75
TEMPERATURE (°C)
–50 –25
0
VALLEY
CURRENT
LIMIT
(A)
–10
125
3634 G14
–11
–9
–4
–8
–7
–5
–6
25
100
50
75
TEMPERATURE (°C)
VTT Load Step
LOAD CURRENT (A)
–3
0.1
0.2
0.3
–1
1
3634 G16
0
–0.1
–2
0
2
3
–0.2
–0.3
VTTR
ERROR
(%)
VDDQ
VTT
VTTR LOAD CURRENT (mA)
–10
0.1
0.2
–6
–2
3634 G17
0
–0.1
–8
–4
0
4
8
2
6
10
–0.2
VTTR
ERROR
(%)
20s/DIV
3634 G18
VOUT
100mV/DIV
AC-COUPLED
IL
2A/DIV
VOUT = 1.8V
ILOAD = 0A TO 3A
20s/DIV
3634 G19
VOUT
100mV/DIV
AC-COUPLED
IL
2A/DIV
VOUT = 0.9V
ILOAD = –2A TO 2A
200s/DIV
RUN1 = 5V
3634 G21
VDDQ
VTT
1V/DIV
RUN2
5V/DIV
VTTR
1V/DIV
VDDQ
VTT
200s/DIV
3634 G20
VDDQ
VTT
1V/DIV
RUN1 = RUN2
5V/DIV
VTTR
1V/DIV
VDDQ
VTT
相關(guān)PDF資料
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