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LTM4643 bảng dữ liệu(PDF) 5 Page - Linear Technology

tên linh kiện LTM4643
Giải thích chi tiết về linh kiện  Ultrathin Quad 關Module Regulator with Configurable 3A Output Array
PDF  32 Pages
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nhà sản xuất  LINER [Linear Technology]
Trang chủ  http://www.linear.com
Logo LINER - Linear Technology

LTM4643 bảng dữ liệu(HTML) 5 Page - Linear Technology

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LTM4643
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4643fb
For more information www.linear.com/LTM4643
TYPICAL PERFORMANCE CHARACTERISTICS
1.8V Output Transient Response
2.5V Output Transient Response
3.3V Output Transient Response
Start-Up with No Load Applied
Start-Up with 3A Load Applied
Short-Circuit with No Load
Applied
VOUT
50mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
VIN = 12V
VOUT = 2.5V
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
LOAD STEP = 2A TO 3A WITH 1A/µS SLEW RATE
FEED FORWARD CAP = 100pF
20µs/DIV
4643 G08
VOUT
50mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
VIN = 12V
VOUT = 3.3V
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
LOAD STEP = 2A TO 3A WITH 1A/µS SLEW RATE
FEED FORWARD CAP = 100pF
20µs/DIV
4643 G09
IIN
0.5A/DIV
VOUT
0.5V/DIV
VIN = 12V
VOUT = 1.5V
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
SOFT START = 0.1µF
5ms/DIV
4643 G10
IIN
0.5A/DIV
VOUT
0.5V/DIV
VIN = 12V
VOUT = 1.5V
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
SOFT START = 0.1µF
5ms/DIV
4643 G11
IIN
0.5A/DIV
VOUT
0.5V/DIV
VIN = 12V
VOUT = 1.5V
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
5ms/DIV
4643 G12
VIN = 12V
VOUT = 1.8V
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
LOAD STEP = 2A TO 3A WITH 1A/µS SLEW RATE
FEED FORWARD CAP = 100pF
20µs/DIV
4643 G07
VOUT
50mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
Short-Circuit with 3A Load
Applied
Short-Circuit with 3A Load
Applied
IIN
0.5A/DIV
VOUT
0.5V/DIV
VIN = 12V
VOUT = 1.5V
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
20µs/DIV
4643 G13
IIN
0.5A/DIV
VOUT
0.5V/DIV
VIN = 12V
VOUT = 1.5V
INPUT CAPACITOR = 1 × 22µF CERAMIC CAP
OUTPUT CAPACITOR = 1 × 47µF CERAMIC CAP
20µs/DIV
4643 G14
Output Ripple
VOUT
5mV/DIV
AC-COUPLED
350kHz
BANDWIDTH
VIN = 12V
VOUT = 1.5V
OUTPUT CAPACITOR = 2 × 47µF CERAMIC CAP
2µs/DIV
4643 G15



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