LTC3529 Linear Dimensions Semiconductor, LTC3529 Datasheet - Page 4

• Manufacturer Part Number: LTC3529
• Description: 1.5MHz Step-Up dc
• Manufacturer: Linear Dimensions Semiconductor

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LTC3529
TYPICAL PERFORMANCE CHARACTERISTICS
4
25mA/DIV
2V/DIV
1.90
1.85
1.80
1.75
1.70
1.65
1.60
1.55
1.50
1.45
1.40
SW
I
L
–45 –25
Current Limit vs Temperature
SW Pin Anti-Ringing
V
C
L = 4.7μH
IN
OUT
= 3.6V
= 10μF
–5
TEMPERATURE (°C)
15
1μs/DIV
35
160
140
120
100
80
60
40
20
0
–50
R
55
DS(ON)
–25
75
95
vs Temperature
0
TEMPERATURE (°C)
115
3529 G09
3529 G06
25
PMOS
NMOS
50
–0.2
–0.4
–0.6
–0.8
–1.0
75
–10
1.0
0.8
0.6
0.4
0.2
10
–2
–4
–6
–8
8
6
4
2
0
0
–50
–50
Switching Frequency Variation
vs Temperature
Output Voltage Change
vs Temperature
100
–30 –10
3529 G12
125
0
TEMPERATURE (°C)
TEMPERATURE (°C)
10
50
30
50
100
70
–0.1
–0.2
–0.3
–0.4
–0.5
0.5
0.4
0.3
0.2
0.1
0
90
0
Load Regulation
3529 G07
3529 G10
V
L = 4.7μH
IN
110
150
= 3.3V
100
1600
1400
1200
1000
200
800
600
400
200
I
18
16
14
12
10
LOAD
8
6
4
2
0
0
1.5
1.5
No-Load Input Current vs V
Maximum Output Current vs V
L = 4.7μH
(mA)
300
2.0
2.5
2.5
400
3.0
3529 G13
V
V
IN
IN
3.5
500
(V)
(V)
3.5
4.0
4.5
IN
4.5
IN
3529 G11
3529fa
3529 G08
5.5
5.0