NCV97310MW33GEVB
http://onsemi.com
3
TYPICAL APPLICATION
Figure 3. Typical Application
32
25
9
16
24
17
1
8
VBAT
EN
STBYB
RSTB1
COMP 1
ROSC
ERRB
EN2
RSTB 2 GND1 RSTB3
FB3
EN3
BST 3
GND3
SW3L
SW 3H
VDRV 2
GND 2
SW 2
VIN2
RMIN
SW 1 VDRV 1 BST 1
VINL
VOUT
FB2
BST 2
L
1
C
BST1
C
DRV1
D
1
C
DRV2
C
BST2
R
FB2D
R
FB2U
C
OUT2
L
2
R
FB3U
C
BST3
R
OSC
R
COMP1
C
COMP1
V
OUT2
V
OUT3
C
OUT3
L
3
V
OUT1
C
OUT1
V
BAT
C
IN2
C
IN1
VIN3
R
MOD
R
DEPTH
RDEPTH
RMOD
R
MIN
Table 1. EVALUATION BOARD TERMINALS
Pin Name
Function
VBAT
Positive dc input voltage
GND
Common dc return
VOUT1
Positive 3.3 V dc output voltage (LDO/Switcher 1)
VOUT2
Positive DC output voltage (Switcher 2)
VOUT3
Positive DC output voltage (Switcher 3)
EN
Master enable input. Includes jumper J3 to connect to VBAT.
STBYB
Standby enable input. Includes jumper J4 to connect to VBAT.
EN2
Switcher 2 enable input. Includes jumper J6 to connect to VOUT1.
EN3
Switcher 3 enable input. Includes jumper J5 to connect to VOUT1.
ERRB
Error flag combining temperature and input and output voltage sensing
.
RST1B
Reset with adjustable delay. Goes low when the VOUT1 is out of regulation.
RST2B
Reset with adjustable delay. Goes low when the VOUT2 is out of regulation.
RST3B
Reset with adjustable delay. Goes low when the VOUT3 is out of regulation.
