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LTC3526L Datasheet(PDF) 4 Page - Linear Technology

Part # LTC3526L
Description  500mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm X 2mm DFN
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3526L Datasheet(HTML) 4 Page - Linear Technology

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LTC3526/LTC3526B

3526bfd
Start-Up Delay Time vs VIN
Burst Mode Threshold Current
vs VIN
Oscillator Frequency Change
vs VOUT
RDS(ON) vs VOUT
Oscillator Frequency Change
vs Temperature
RDS(ON) Change vs Temperature
VIN (V)
1.0
0
10
30
40
50
100
70
2.0
3.0
3.5
3526 G07
20
80
90
60
1.5
2.5
4.0
4.5
VIN (V)
1
0
5
10
15
20
25
30
1.25
1.5
3526 G08a
ENTER BURST
LEAVE BURST
VOUT = 1.8V
COUT = 10µF
L = 4.7µH
Burst Mode Threshold Current
vs VIN
VIN (V)
1
15
20
25
3526 G08b
10
5
0
1.25
1.5
30
35
40
1.75
ENTER BURST
LEAVE BURST
VOUT = 2.5V
COUT = 10µF
L = 4.7µH
Burst Mode Threshold Current
vs VIN
Burst Mode Threshold Current
vs VIN
VIN (V)
1.0
0
5
15
20
25
50
35
1.5
2.0
3526 G08c
10
40
45
30
2.5
3.0
ENTER BURST
LEAVE BURST
VOUT = 3.3V
COUT = 10µF
L = 4.7µH
VIN (V)
1.0
40
50
60
2.5
3.5
3526 G08d
30
20
1.5
2.0
3.0
4.0
4.5
10
0
ENTER BURST
LEAVE BURST
VOUT = 5V
COUT = 10µF
L = 4.7µH
VOUT (V)
1.5
1
3.0
3526 G09
–2
–4
2.0
2.5
3.3
–5
–6
2
0
–1
–3
4.0
4.5
5.0
NORMALIZED TO 3.3V
VOUT (V)
1.5
0.50
0.45
0.80
0.85
0.90
2.5
3.5
4.0
3526 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)
4
6
8
3526 G11
0
–10
–8
–6
10
2
–2
–4
NORMALIZED TO 25°C
–50 –30 –10
10
30
50
70
90
TEMPERATURE (°C)
1.0
1.1
1.2
3526 G12
0.8
0.7
1.3
0.9
NORMALIZED TO 25°C
Typical perFormance characTerisTics



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