UT986eb User Manual
UC-08-M37 EN R1.0
Appendix
19
Function Diagram Block
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Power Filter
LEDs
V_BCKP
LDO 3.3V
Vout=0.8*(1+16/5.1)=3.31V
Dropout Voltage: 170mV@1A
0805
0805
VIN operation range:3.2V~5V
DC/DC 5V
Vout=1.225*(1+16/5.1)=5.07V
Hole
Title
Size
Do cume nt Nu mbe r
Re v
Da te:
Sh eet
of
UT986eb
Title
Size
Do cume nt Nu mbe r
Re v
Da te:
Sh eet
of
UT986eb
Title
Size
Do cume nt Nu mbe r
Re v
Da te:
Sh eet
of
UT986eb
FC1
NFM21PC104R1E3D
J1
NC
U3
LT3467AIDDB
X5
UT986eb-PCB-V1R0
BT1
MS621T-FL11E
U2
TPS7A8101DRB
Interface
J4
CH71283V100
UT986
双
排
插
针
5V
升压
天线短
路保护
电路
LD O
VCC
5V
UT986eb
ANT_IN
COM1
COM2
PPS
RSTN
VB CKP
BAT
3V3
双
排
插
针