1FSX Example Circuit
5
4
3
2
1
GND1 GND2 3.3VU18
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D
C9 0.1uF
C10 0.1uF
C11 0.1uF
RREF 75K
6.8uF CLFC VREF CHL 4...
Description
5
4
3
2
1
GND1 GND2 3.3VU18
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D
C9 0.1uF
C10 0.1uF
C11 0.1uF
RREF 75K
6.8uF CLFC VREF CHL 4.7uF
RT 47.5K
Le88111 1FXS example circuit
D
23
24
32
33
11
10
4
5
3
2
1
U18
DVDD
DGND
AGND
AVDD
AGND
AVDD
RTV
LFC
IHL
IREF
RSN
RST DOUT
17 20 30
RST DOUT DGND DRA/DD PCLK/DCL DXA/DU FS/FSC DIN/S1 INT CS/PG SWCMPY SWOUTY DCLK/S0 BGND RSVD RSVD VREF VBAT I/O2 I/O1
TDC TAC
8 6 42 41 40 39 38 37 36 7 9
RTDCa 402K RTAC CTAC 68nF 3.01K CTDC 22nF 200V 1 2 3 4 K1 G NC K2 1 RFT 2 50 TIP1
DRA PCLK DXA
C
28 27 29 31 21 18 19 22
Le88111/Le88131
Le88111_44-pin eLQFP Socket
TIPD RSVD TIPT RSVD RINGT RSVD RINGD RAC RDC
U19
K1 A A K2 8 7 6 5 RFR 1 50 2 RING1
C
BAT
FS DIN INT CS DCLK
(LXU - 9/22/03 pin-out orientation for schematic drawing only)
CVB1 0.1uF 200V
TISP61089B CRAC 68nF CRDC 22nF 200V EMI reduction, optional
RRAC 3.01K
SWVSY
SWISY
RRDCa 402K BGND1 BGND CSW1 0.1uF 3.3VU18 RP 10K CP1 5 220pF 3 RB2 10K VSW CSW ( LESR ) 100 uF 25V + TP3 Sumida Proto IND_S30079 3 T1 7 *Snubber C17 47pF 200V circuit, optional R14 BAT 1K DSW 2 1 MURS120 1A/200V
12
26
25
35
43
34
44
15
13
14
VREF
BAT
16
*optional RB1 520 TP4 Drain RJMPR1 0 OHM DNP TP5 RJMPR2 TP6
BAT
B
C14 0.1uF CREF1 0.68uF
QD1A 4 Gate
4 5 6
1
B
CP2
220pF SWOUT
1
2 RG1 MBT3946 QD1B 10K
X1 NDT3055L 60V_4A
*optional CFL2 0.1uF 200V
6
RLIM reserve for 5V application
CFL1a 1uF 200V *SEE NOTE
CFL1b 1uF 200V
RVS 402K
Place holder 0.02 1/4W SWCMPY R...
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