參數(shù)資料
型號(hào): LTC3526LEDC-2#PBF
廠(chǎng)商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO6
封裝: 2 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WCCD-2, DFN-6
文件頁(yè)數(shù): 11/16頁(yè)
文件大小: 332K
代理商: LTC3526LEDC-2#PBF
LTC3526L-2/LTC3526LB-2
3526lb2fa
–50 –30 –10
10
30
50
70
90
TEMPERATURE (°C)
NORMALIZED
R
DS(ON)
1.0
1.1
1.2
3526lb2 G12
0.8
0.7
1.3
0.9
NORMALIZED TO 25°C
Start-Up Delay Time vs VIN
Burst Mode Threshold Current
vs VIN (LTC3526L-2)
Oscillator Frequency Change
vs VOUT
RDS(ON) vs VOUT
Oscillator Frequency Change
vs Temperature
RDS(ON) Change vs Temperature
VIN (V)
1.0
0
DELA
Y(s)
10
30
40
50
100
70
2.0
3.0
3.5
3526lb2 G07
20
80
90
60
1.5
2.5
4.0
4.5
VIN (V)
1.0
0
LOAD
CURRENT
(mA)
5
10
15
20
25
35
30
1.6
1.5
1.4
1.3
1.2
1.1
3526lb2 G08a
ENTER BURST
LEAVE BURST
VOUT = 1.8V
COUT = 10F
L = 2.2H
Burst Mode Threshold Current
vs VIN (LTC3526L-2)
VIN (V)
LOAD
CURRENT
(mA)
15
20
25
3526lb2 G08b
10
5
0
30
35
40
ENTER BURST
LEAVE BURST
VOUT = 2.5V
COUT = 10F
L = 2.2H
1.0
2.2
2.0
1.6
1.8
1.4
1.2
Burst Mode Threshold Current
vs VIN (LTC3526L-2)
Burst Mode Threshold Current
vs VIN (LTC3526L-2)
VIN (V)
1.0
0
LOAD
CURRENT
(mA)
20
60
50
1.6
2.0
3526lb2 G08c
10
40
30
2.6
1.4
2.4
1.2
2.2
1.8
2.8 3.0
ENTER BURST
LEAVE BURST
VOUT = 3.3V
COUT = 10F
L = 2.2H
VIN (V)
1.0
LOAD
CURRENT
(mA)
40
50
70
60
2.5
3.5
3526lb2 G08d
30
20
1.5
2.0
3.0
4.0
4.5
10
0
ENTER BURST
LEAVE BURST
VOUT = 5V
COUT = 10F
L = 2.2H
VOUT (V)
1.5
FREQUENCY
CHANGE
(%)
1
2
4
3
3.0
4.0
3526lb2 G09
0
–1
2.0
2.5
3.5
4.5
5.0
–2
–4
–3
NORMALIZED TO VOUT = 3.3V
VOUT (V)
1.5
R
DS(ON)
()
0.50
0.45
0.80
0.85
0.90
2.5
3.5
4.0
3526lb2 G10
0.35
0.70
0.60
0.40
0.75
0.30
0.65
0.55
2.0
3.0
4.5
5.0
PMOS
NMOS
–50 –30 –10
10
30
50
70
90
TEMPERATURE (°C)
FREQUECNY
CHANGE
(%)
4
6
8
3526lb2 G11
0
–10
–8
–6
10
2
–2
–4
NORMALIZED TO 25°C
Typical perForMance characTerisTics T
A = 25°C, unless otherwise noted.
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