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LTC3527 Datasheet(PDF) 6 Page - Linear Technology

Part # LTC3527
Description  Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3527 Datasheet(HTML) 6 Page - Linear Technology

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LTC3527/LTC3527-1
6
35271f
TEMPERATURE (
°C)
–45
0.90
1.00
1.10
75
0.80
0.70
0.50
–15
15
45
–30
90
0
30
60
0.60
1.30
1.20
35271 G17
CONVERTER1
CONVERTER2
VIN = 1.2V
VOUT = 3.3V
TEMPERATURE (
°C)
–55
1.185
1.190
1.205
1.200
1.195
–35 –15
5
25
45
65
85 105 125
35271 G18
TEMPERATURE (
°C)
0.45
0.50
0.55
0.60
0.65
0.75
–50
–30
10
–10
30
50
70
90
0.70
35271 G19
VOUT (V)
1.5
10
11
13
14
15
2.5
3.5
4
12
16
2
3
4.5
5
35271 G20
VIN = 1.2V
VOUT (V)
1.5
0.30
0.50
0.90
2.5
3.5
4
0.40
0.70
0.80
0.60
2
3
4.5
5
35271 G21
PMOS2
NMOS2
PMOS1
NMOS1
TEMPERATURE (
°C)
–45
0.50
0.60
75
0.40
0.30
–15
15
45
–30
90
0
30
60
0.70
35271 G22
PMOS2
NMOS2
PMOS1
NMOS1
500
µs/DIV
SW1 PIN
2V/DIV
VOUT1
10mV/DIV
AC
COUPLED
35271 G23
VIN1 = 1.2V
VOUT1 = 3.3V AT 100mA
COUT1 = 10µF
10
µs/DIV
SW1 PIN
2V/DIV
INDUCTOR
CURRENT
200mA/DIV
VOUT1
50mV/DIV
AC
COUPLED
35271 G24
VIN1 = 1.2V
VOUT1 = 3.3V
COUT1 = 10µF
TYPICAL PERFORMANCE CHARACTERISTICS
Start-Up Voltage vs Temperature
Burst Mode Quiescent Current
vs VOUT
RDS(ON) (NMOS and PMOS)
vs VOUT
RDS(ON) (NMOS and PMOS)
Change vs Temperature
Fixed Frequency Switching
Waveform and VOUT Ripple
Burst Mode Waveforms
Feedback Voltage vs Temperature
Current Limit vs Temperature
(TA = 25°C, unless otherwise noted)



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