Linear Technology DC2007A-B, Демонстрационное руководство, Страница: 4 / 11

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dc2007a_bf
DEMO MANUAL DC2007A-B
PARTS LIST
QUICK START PROCEDURE
Figure 3. Measured Efficiency V
IN
= 12V, f
SW
= 400kHz
Figure 5. Measured Output Voltage Ripple at 12V
IN
, 1.0V
OUT
,
105A with Standard Demo Circuit Default Setup
Figure 6. Thermal Capture at 12V
IN
, 1.0V
OUT
, 105A
(T
A
= 25°C, 400 LFM Airflow and No Heat Sink)
Figure 4. Load Transient 0A to 26.25A (V
IN
= 12V, V
OUT
= 1.OV)
LOAD CURRENT (A)
0
60
EFFICIENCY (%)
70
80
90
100
20 40 60 80 100
V
O
= 1.8V
V
O
= 1.5V
V
O
= 1.2V
V
O
= 1.0V
V
O
= 0.9V
0A TO 26.25A LOAD
1.0V OUTPUT (20MHz BW) [50mV/DIV]
1.0V OUTPUT (20MHz BW) [5mV/DIV]
ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER
Required Circuit Components
1 12 CIN3, CIN4, CIN5, CIN6, CIN7, CIN8, CIN9, CIN10, CIN12,
CIN13, CIN14, CIN15
CAP, 1210 22µF 10% 25V X5R AVX, 12103D226KAT2A
2 10 CO1, CO5, CO7, CO11, CO15, CO18, CO20, CO24,
CO26, CO38
CAP, 1210 100µF 20% 10V X5R TAIYO YUDEN, LMK325BJ107MM-T
3 8 CO4, CO6, CO10, CO12, CO19, CO23, CO25, CO29 CAP, 7343 470µF 20% 4V POSCAP SANYO, 4TPE470MCL
4 15 R6, R13, R19, R20, R27, R28, R32, R33, R34, R35, R40,
R45, R46, R62, R63
RES, 0603 0Ω JUMPER VISHAY, CRCW06030000Z0EA
5 3 U1, U2, U3 IC, VOLTAGE REGULATOR, LGA LINEAR TECH., LTM4630EV#PBF
Additional Demo Board Circuit Components
1 1 CIN1 CAP, 150µF 25% 25V ALUM SUN ELECT., 25CE150AX
2 2 CIN2, CIN11 CAP, 1206 1µF 10% 25V X5R TAIYO YUDEN, TMK316BJ105KD-T