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LTC3834IDHC-1-PBF Datasheet(PDF) 4 Page - Linear Technology

Part # LTC3834IDHC-1-PBF
Description  30關A IQ Synchronous Step-Down Controller
Download  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3834IDHC-1-PBF Datasheet(HTML) 4 Page - Linear Technology

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LTC3834-1
38341f
TYPICAL PERFOR A CE CHARACTERISTICS T
A = 25ºC, unless otherwise noted.
Efficiency and Power Loss vs
Output Current
Efficiency vs Load Current
Efficiency vs Input Voltage
Inductor Current at Light Load
Soft Start-Up
Tracking Start-Up
Load Step (Burst Mode Operation)
Load Step (Forced Continuous
Mode)
Load Step (Pulse Skipping Mode)
OUTPUT CURRENT (A)
0.0001
0.01
1
38341 G01
0.000001
1
10
1000
100
0.1
10000
40
50
60
70
80
30
20
10
0
90
100
Burst Mode OPERATION
FORCED CONTINUOUS MODE
PULSE SKIPPING MODE
VIN = 12V
VOUT = 3.3V
FIGURE 10 CIRCUIT
OUTPUT CURRENT (A)
0.0001
0.01
1
38341 G02
0.000001
40
50
60
70
80
90
100
VIN = 12V
VIN = 5V
FIGURE 10 CIRCUIT
VOUT = 3.3V
INPUT VOLTAGE (V)
88
90
94
96
98
515
38341 G03
86
84
0
10
20
40
25
30
35
82
80
92
VOUT = 3.3V
FIGURE 10 CIRCUIT
VOUT = 3.3V
FIGURE 10 CIRCUIT
VOUT
100mV/DIV
AC
COUPLED
38341 G04
20
μs/DIV
IL
2A/DIV
VOUT = 3.3V
FIGURE 10 CIRCUIT
VOUT
100mV/DIV
AC
COUPLED
38341 G05
20
μs/DIV
IL
2A/DIV
VOUT = 3.3V
FIGURE 10 CIRCUIT
VOUT
100mV/DIV
AC
COUPLED
38341 G06
20
μs/DIV
IL
2A/DIV
VOUT = 3.3V
ILOAD = 100μA
FIGURE 10 CIRCUIT
FORCED
CONTINUOUS
MODE
38341 G07
2
μs/DIV
2A/DIV
Burst Mode
OPERATION
PULSE
SKIPPING
MODE
38341 G08
20ms/DIV
FIGURE 10 CIRCUIT
VOUT
1V/DIV
38341 G09
20ms/DIV
FIGURE 10 CIRCUIT
MASTER
2V/DIV
VOUT
2V/DIV


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