4
dc2007a_af
DEMO MANUAL DC2007A-A
PARTS LIST
QUICK START PROCEDURE
LOAD CURRENT (A)
0
60
EFFICIENCY (%)
70
80
90
100
10
20
30
40
50
60
70
V
O
= 1.8V
V
O
= 1.5V
V
O
= 1.2V
V
O
= 1.0V
V
O
= 0.9V
Figure 3. Measured Efficiency V
IN
= 12V, f
SW
= 400kHz
Figure 5. Measured Output Voltage Ripple at 12V
IN
, 1.0V
OUT
,
70A with Standard Demo Circuit Default Setup
Figure 6. Thermal Capture at 12V
IN
, 1.0V
OUT
, 70A
(T
A
= 25°C, 400 LFM Airflow and No Heat Sink)
Figure 4. Load Transient 0A to 17.5A (V
IN
= 12V, V
OUT
= 1.OV)
0A TO 17.5A 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
8
CIN3, CIN4, CIN5, CIN6, CIN7, CIN8, CIN9, CIN10,
CAP, 1210 22µF 10% 25V X5R
AVX, 12103D226KAT2A
2
8
CO1, CO5, CO7, CO11, CO15, CO18, CO24, CO38
CAP, 1210 100µF 20% 10V X5R
TAIYO YUDEN, LMK325BJ107MM-T
3
6
CO4, CO6, CO10, CO12, CO19, CO25
CAP, 7343 470µF 20% 4V POSCAP
SANYO, 4TPE470MCL
4
13 R6, R19, R20, R27, R28, R32, R33, R35, R40, R45, R46,
R62, R63
RES, 0603 0Ω JUMPER
VISHAY, CRCW06030000Z0EA
5
2
U1, U2
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
3
1
C1
CAP, 0603 100pF 10% 25V XNPO
AVX, 06033A101KAT2A
4
0
C2, C3, C5, C8, C9, C12, C13, C14, C15, C16, C17, C20,
C21, C26, C29, C30
CAP, 0603 OPTION
OPTION
