LT3580E(RevC) データシートの表示（PDF） - Linear Technology
部品番号
コンポーネント説明
メーカー
LT3580E
(Rev.:RevC)
(Rev.:RevC)
Linear Technology
LT3580E Datasheet PDF : 28 Pages
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LT3580
TYPICAL APPLICATIONS
5V to 12V Boost Converter Switches at 2.5MHz and Uses a Tiny 4mm × 4mm × 1.7mm Inductor
L1
3.3μH
D1
VIN
5V
VIN
SW
SHDN
GND
LT3580
130k
RT
FB
C1
4.7μF
SYNC
35.7k
VC
SS
0.1μF
10k
2.2nF
C1, C2: 4.7μF, 25V, X5R, 1206
D1: MICROSEMI UPS120
L1: COILCRAFT LPS4018-332ML
VOUT
12V
C2 500mA
4.7μF
47pF
3580 TA07a
Efficiency and Power Loss
vs Load Current
95
90
85
80
75
70
65
60
55
50
0
1400
1200
1000
800
600
400
200
100 200 300 400 500
LOAD CURRENT (mA)
0
600
3580 TA07b
Transient Response with 400mA to
500mA to 400mA Output Load Step
Start-Up Waveforms
VOUT
0.5V/DIV
AC COUPLED
IL
0.5A/DIV
100μs/DIV
3580 TA07c
VOUT
5V/DIV
IL
1A/DIV
VSHDN
1V/DIV
500mA LOAD
2ms/DIV
3580 TA07d
3580fc
24
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