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LTC3526LB 数据表(PDF) 5 Page - Linear Technology

部件名 LTC3526LB
功能描述  550mA 1MHz Synchronous Step-Up DC/DC Converters
PDF  16 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC3526LB 数据表(HTML) 5 Page - Linear Technology

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LTC3526L/LTC3526LB

3526lfc
TEMPERATURE (°C)
–50
0.50
0.55
0.60
0.65
0.70
0.80
25
0
25
50
3526l G14
75
100
0.75
1mA LOAD
NO LOAD
VFB vs Temperature
Start-Up Voltage vs Temperature
Fixed Frequency Switching
Waveform and VOUT Ripple
Burst Mode Waveforms
(LTC3526L)
VOUT and IIN During Soft-Start
Burst Mode Quiesent Current
vs VOUT (LTC3526L)
TEMPERATURE (°C)
–60
–1.00
–0.75
–0.50
–0.25
0
–20
20
60
100
3526l G13
0.25
0.50
–40
0
40
80
NORMALIZED TO 25°C
VOUT (V)
1.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
3.0
4.0
4.5
3526l G15
2.0
2.5
3.5
5.0
SW PIN
2V/DIV
500ns/DIV
VIN = 1.2V
VOUT = 3.3V AT 100mA
COUT = 10µF
3526l G16
VOUT
10mV/DIV
AC-COUPLED
SW PIN
2V/DIV
INDUCTOR
CURRENT
0.2A/DIV
10µs/DIV
VIN = 1.2V
VOUT = 3.3V
COUT = 10µF
3526l G17
VOUT
20mV/DIV
AC-COUPLED
SHDN PIN
1V/DIV
INPUT
CURRENT
0.2A/DIV
200µs/DIV
VOUT = 3.3V
COUT = 10µF
3526l G18
VOUT
1V/DIV
Load Step Response (from Burst
Mode Operation) (LTC3526L)
LOAD
CURRENT
50mA/DIV
100µs/DIV
VIN = 3.6V
VOUT = 5V
20mA TO 170mA STEP
COUT = 10µF
3526l G19
VOUT
100mV/DIV
AC-COUPLED
Load Step Response
(Fixed Frequency)
LOAD
CURRENT
50mA/DIV
100µs/DIV
VIN = 3.6V
VOUT = 5V
50mA TO 150mA STEP
COUT = 10µF
3526l G20
VOUT
100mV/DIV
AC-COUPLED
typicAl perForMAnce chArActeristics



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