e-stlc3095 STMicroelectronics, e-stlc3095 Datasheet - Page 18

• Manufacturer Part Number: e-stlc3095
• Description: Integrated Pots Interface For Home Gateway And Wll
• Manufacturer: STMicroelectronics

Functional description
Table 11.
18/28
RSENSE
CVpos
CRD
CVCC
Name
RREF
CSVR
CREV
RLIM
CV
RRX
RDD
CAC
RTH
CVB
CSF
RSF
RD
RP
CZ
Q1
D1
T1
(2)
(3)
(1)
Rx input bias resistor
Negative Battery Filter
Ring Trip threshold setting
resistor
AC/DC split capacitance
Line protection resistor
Current limiting programming
Off-hook threshold programming
(ACTIVE mode)
Reverse polarity transition time
programming
Pull up resistors
Internally supply filter capacitor
Positive supply filter capacitor
with low impedance for switch
mode power supply
Battery supply filter capacitor
with low impedance for switch
mode power supply
High frequency noise filter
High frequency noise filter
Fly-Back compensation
capacitor
Sense Filter capacitor
Sense Filter resistor
DC/DC converter peak current
limiting
DC/DC converter switch
N-channel MOS transistor
DC/DC converter series diode
DC/DC Converter transformer
Bias setting current
External components for flyback configuration
Function
RREF = 1.3/Ibias; Ibias = 50µA
CSVR = 1/(2π ⋅ fp ⋅ 1.8MΩ)
fp = 50Hz
RD = 100/I
2KΩ < RD < 5KΩ
Rp > 30Ω
RLIM = 1300/Ilim
52.3kΩ < RLIM < 65kΩ
RTH = 290/I
27kΩ < RTH < 52kΩ
CREV = ((1/3750) · ∆T/∆V
R
RDS(ON)≤ 0.05Ω ,VDSS = 30V
VDG=30V, ID = 6.5A
Low threshold drive
V
Fly-Back transformer 4W, Turns
Ratio 1:16 fro VPOS range from
4.5V to 8.5V
r
SENSE
> 350V, t
= 375mV/I
RTH
RR
Formula
TH
≤ 80ns
PK
TR
)
Tyco COEV MAGNETICS
220mΩ @I
Coilcraft FA2469-AL
MGPWG-00007 or
470nF 20% 100V
100µF 20% 100V
SMBYTW01-400
@ IRTH = 24mA
100nF 20% 10V
100nF 10% 15V
@ RD = 4.12kΩ
22µF 20% 15V
@ Ilim = 25mA
22nF 10% 10V
or equivalent
or equivalent
STN4NF03L
@I
120pF, 20%
2.2nF, 20%
1.5nF 10%
4.12kΩ 1%
52.3kΩ 1%
32.4kΩ 1%
Typ. value
@ 12V/ms
100kΩ 5%
26kΩ 1%
50Ω 1%
TH
100kΩ
100µF
100V
1kΩ
= 9mA
PK
= 1.7A
STLC3095