LTM4623Y 데이터 시트보기 (PDF) - Linear Technology
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LTM4623Y Datasheet PDF : 26 Pages
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Typical Performance Characteristics
LTM4623
3.3V Output Transient Response
5V Output Transient Response
Start-Up with No Load Applied
VOUT
50mV/DIV
AC-COUPLED
VOUT
50mV/DIV
AC-COUPLED
IIN
0.5A/DIV
LOAD STEP
1A/DIV
VIN = 12V
VOUT = 3.3V
FREQ = 1MHz
20µs/DIV
4623 G10
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
LOAD STEP = 2A TO 3A WITH 1A/µS SLEW RATE
FEED FORWARD CAP = 100pF
LOAD STEP
1A/DIV
VIN = 12V
VOUT = 5V
FREQ = 1MHz
20µs/DIV
4623 G11
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
LOAD STEP = 2A TO 3A WITH 1A/µS SLEW RATE
FEED FORWARD CAP = 100pF
VOUT
0.5V/DIV
VIN = 12V
VOUT = 1.5V
FREQ = 1MHz
5ms/DIV
4623 G12
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
SOFT START = 0.1µF
Start-Up with 3A Load Applied
Short Circuit with No Load
Applied
Short Circuit with 3A Load
Applied
IIN
0.5A/DIV
VOUT
0.5V/DIV
VIN = 12V
VOUT = 1.5V
FREQ = 1MHz
5ms/DIV
4623 G13
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
SOFT START = 0.1µF
IIN
0.5A/DIV
VOUT
0.5V/DIV
IIN
0.5A/DIV
VOUT
0.5V/DIV
VIN = 12V
VOUT = 1.5V
FREQ = 1MHz
5ms/DIV
4623 G14
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
VIN = 12V
VOUT = 1.5V
FREQ = 1MHz
20µs/DIV
4623 G15
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
Short Circuit with 3A Load
Applied
IIN
0.5A/DIV
VOUT
0.5V/DIV
Output Ripple
VOUT
5mV/DIV
AC-COUPLED
Start into Pre-Biased Output
VIN
2V/DIV
VOUT
1V/DIV
PRE-BIASED VOUT = 2.5V
VIN = 12V
VOUT = 1.5V
FREQ = 1MHz
20µs/DIV
4623 G16
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
VIN = 12V
VOUT = 5V
FREQ = 1MHz
500ns/DIV
4623 G17
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
VIN = 12V
VOUT = 5V
FREQ = 1MHz
500ns/DIV
4623 G18
PRE-BIASED VOUT = 2.5V
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
For more information www.linear.com/LTM4623
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