Schematic Diagrams
5V, 3.3V, +1.5V (71-M40A0-D06A) B - 29
B.Schematic Diagrams
5V, 3.3V, +1.5V
+VDD 3
VIN
+5V
SGND6 SGND 6
+VD D5
VL
VI N
+VDD5
1.5V
+3V
+VDD3
SGN D6
SGND6
+12V
+12V
VIN 1
+1. 5V
VL
SGND6
VL
+VDD 5
+VDD5
+5VS
+12V
VIN 1
SGN D6
+5V
+3V
VIN
VIN
VIN
+1.5V
+1.5V
VIN
VIN
VIN
VIN
VIN
VI N
VIN
D DON
23,25,30
D D_ON#
25
DDON
23,25,30
MC H_PG
31
Z2820
Z2818
V+
Z2835
Z2813
Z2841
V+
DD _ON#
Z 2836
Z2819
DD _ON #
Z2844
Z2811
Z2810
Z 2834
Z2822
Z2823
Z2807
Z2802
Z2845
Z2815
Z2804
Z 2847
Z2831
Z2829
Z2824
Z2812
Z 2837
Z2843
Z2817
Z2814
Z2848
Z2830
Z2827
Z 2838
Z2809
Z2833
Z 2839
Z2805
Z2840
Z2846
Z2825
Z2842
Z 2808
Z2806
Z2803
Z2832
Z2821
DD _ON #
Z2826
Z2816
Z2801
Z2828
Z2856
Z2849
Z2850
Z2851
Z2852
Z2853
Z2854
R30315K
Q39B
AO4900
7
2
1
8
R736
0
R734
*0
C736
0.1UF
1
2
R737
*0
R297
0
R290
10.5K 1%
R277
*0
R294
10K
C224
10U/25V_1210
R 352
105K_1%
R 283
1M
Q29
DTA114EUA
C
E
B
R332
10K_1%
R 735
0
R288
11.5K_1%
R342
10m_2512
D59
RB751V
A
C
C211
1 0 0 P
+
C221
10U/25V_1210
C280
0.1uF/50V
1
2
R293
*0
C185
2.2UF(0805)
J7
OPEN
1
2
Q39A
AO4900
5
4
3
6
R289
4.99K 1%
R354
19.6K_1%
C 293
10U_1210(25V)
1
2
C 208
0.1U
L93
4.7UH
Q75
2N7002
G
D
S
J13
OPEN _5A
1
2
+
C282
220U/ 4V_D
C207
0.01U
C913
0.1UF_E
Q50
*2N7002
G
D
S
Q35B
AO4914
7
2
1
8
C289
0.01U
J16
6mm
1
2
Q35A
AO4914
5
4
3
6
C911
0.1UF_E
R 278
560K
C181
0.1uF
C 193
0.1U
D 23
11FS2
A
C
R393
*22
C742
0.1uF
C187
0.1U
C914
0.1UF_E
C294
0.1U
C768
4.7uF_0805
R728
0
C 168
10U_0805
Q22
2N7002
G
D
S
+
C226
10U/25V_1210
C324
10U/25V_1210
+
C283
*220U/4V_D
C328
0.1U_X7R
C213
10U/ 25V_1210
R391
100K
Q49
2N7002
G
D
S
D 60
SR140
A
C
C 810
10U_1210(25V)
1
2
Q27
2SC4672
B
E
C
D63
SR140
A
C
R387
100K
L94
2.5UH
Q47
AO4422
4
8
5
1
3
7
6
2
R719
15.8K
J9
OPEN_10mil
1
2
C175
0.1U
C745
220pF
R265
10K
Q45
AO4422
4
8
5
1
3
7
6
2
L90
1:2.2
4
3
2
1
C325
10U/25V_1210
U49
SC1470
1
2
3
4
5
6
7
8
9
10
11
12
13
14
EN /PSV
VI N
VOUT
VC CA
FBK
PGOOD
GN D
PGND
DL
VD DP
ILIM
LX
DH
BST
C183
0.1U
J 12
OPEN_5A
1
2
C327
0.1U_X7R
C741
0.1uF
C182
0.1U
C169
*0.1uF
U19
LTC3728LX
24
26
25
22
30
31
3
23
1
2
5
4
7
6
20
17
14
15
18
12
11
9
8
21
28
13
27
19
10
16
29
32
BOOST1
TG1
SW1
BG1
SENSE1-
PLLIN
VI
N
VOSENSE1
PLLFLTR
ITH 1
F CB
3.3VOUT
SGND
INTVCC
BOOST2
TG2
SW2
BG2
SENSE2-
VOSENSE2
ITH2
EXTVCC
RU N/SS1
RU N/SS2
PGOOD
PGND
NC
NC
NC
NC
R389
100K
C766
3 3 P
C287
10U_1210(25V)
1
2
R724
0
C174
0.1U
R390
100K
C317
0.1U_X7R
R716
100K
C247
*100P
R721
10
C765
3 3 P
C 223
10U/25V_1210
C209
*1 0 0 0 P
Q51
2N7002
G
D
S
C200
1000P
Q34A
AO4914
5
4
3
6
C197
1000P
Q34B
AO4914
7
2
1
8
+
C763
330U /3V
C315
0.01U
C248
2200P
Q76
DTC114EUA
C
E
B
R350
60.4K_1%
R725
1.2K_1%_0805
R349
19.1K_1%
R341
10m_2512
T
R723
1M
R302
*15K
T
R726
1M
R281
0
C749
*0.1uF
C 210
*0.01U
ZD1
5.1V
A
C
J15
OPEN _10m il
1
2
Q36
2SD1782K
B
E
C
C744
10U/25V_1210
+
C285
47U/6.3V_D
R295
1K
T
C912
0.1UF_E
R286 0
T
T
T
T
C 915
0.1UF_E
C916
0.1UF_E
C918
0.1UF_E
C 917
0.1UF_E
C919
0.1UF_E
C920
0.1UF_E
C921
0.1UF_E
+
C284
47U/6.3V_D
FCB:0V for continuous mode
3A(PK6.5)
Open for burst mode
4A
5V for constant mode
0.1A
PLLFLTR:0V for 220KHZ
2A
4A
5V for 640KHZ
2A
5A
0.1A
5A
D05-940126
Sheet 29 of 36
5V, 3.3V, +1.5V