Product Drawings

NC
VCC PGOOD
SW
EXP PAD[GND]
SW
EN
NC
COMP
SS/TRK
FB
AVIN
PVIN
AGND
PGND
VREG
NC
NC
NC
NC
NC
EN
IN
GND
EXPPAD[GND]
NC
NC
OUT
FB NC
VREG
Vin = 4.5 to 5.5V
Vout = 1.20V
Iout = 1.5A
Freq = 1.5MHz
Tss = 1mS
NOTE:
CAPACITORS MUST BE
LOCATED AS CLOSE
TO PINS 2 AND 9 AS
POSSIBLE
NOTE:
CAPACITORS C21 MUST BE
LOCATED AS CLOSE
TO PINS 6 AND 7 AS
POSSIBLE
Vin = 3.3V
Vout = 2.50V
Iout = 0.5A
VDD_1V2
TP54
1
VDD_2V5
VDD_1V2
SOM_3V3
4.7uF
25V
C23
2
1
4.7uF
25V
C25
2
1
VDD_2V5
U4
LM20123MHE_NOPB
11
15
10
7
6
14
2
1
4
16
12
8
17
9
313
5
R23
100mW
5%
1.1
2
1
R24
100mW
1%
2.74K
2
1
L2
8.7A
20%
1.2uH
1 2
VCC_5V
VDD_1V2
TP57
1
TP59
1
TP60
1
TP61
1
TP62
1
TP63
1
TP64
1
TP65
1
FB_2V5
SOM_3V3
VDD_2V5
TP305
1
R18
10K
12
VCC_5V
100V
5%
330pF
C21
2
1
100V
5%
330pF
C5
2
1
C29
10V
20%
47uF
2
1
C3
10V
20%
47uF
2
1
TPS73501DRBT
U3
73
1
6
2
9
4
8
5
C67
10V
10%
10uF
2
1
10uF
10%
10V
C68
2
1
C69
10V
10%
10uF
2
1
0.1uF
10%
16V
C2
2
1
1%
R28
10K
2 1
R21
2
1
62.5mW
1%
100K
R29
2
1
63mW
1%
20K
R22
2
1
63mW
1%
90.9K
0.0047uF
5%
25V
1
2
C22
C28
2
1
25V
10%
0.0068uF
DxDESIGNER
SCALE:
DRAWING NO.SIZE REV
D
12
345
6
7
8
A
B
C
D
HONEYWELL INTERNATIONAL INC.
A
B
C
D
12
345
6
7
8
DRAWN BY
DESIGNER
Tony.Gao
30JUL2020
AND PROPRIETARY
32350760
NONE
@PRINTORDER=9
HONEYWELL BUILDING TECHNOLOGIES
A
Tony.Gao
07/30/2020
HONEYWELL CONFIDENTIAL
30JUL2020