MAX253ESA-T Maxim Integrated Products, MAX253ESA-T Datasheet - Page 9
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MAX253ESA-T
Manufacturer Part Number
MAX253ESA-T
Description
MOSFET & Power Driver ICs
Manufacturer
Maxim Integrated Products
Type
Monolithic Oscillator Power Driverr
Datasheet
1.MAX253CSA.pdf
(18 pages)
Specifications of MAX253ESA-T
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SOIC-8 Narrow
Minimum Operating Temperature
- 40 C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Figure 5. Typical RS-232 Application Circuit
V
5V
T1
T2
T4
T5
R1
R2
R3
R4
R5
T3
*74HC04 OR EQUIVALENT
**
IN
IN
IN
IN
IN
4N25 LOWER SPEED, LOWER COST ALTERNATE OPTOCOUPLER CONFIGURATIONS (FOR DATA RATES BELOW 9.6kbps)
OUT
OUT
OUT
OUT
OUT
IN
*74HC04
_______________________________________________________________________________________
5 X 3.3kΩ
74HC04
74HC04
74HC04
74HC04
74HC04
74HC04
74HC04
74HC04
74HC04
SEE TABLE 2
ON / OFF
*74HC04
T
IN
C1
0.1µF
390Ω
5
4
N.C.
SD
390Ω
390Ω
390Ω
390Ω
390Ω
GND1 GND2
2
MAX253
1
2
4N25
V
CC
6
7
6
FS
D1
D2
1N5711
3
1
8
4
5
6
5
4
ISO
GND
1CT:1.3CT**
1
2
3.3kΩ
10 x PC417
ISOLATION
BARRIER
Isolated RS-485 Interface
1N5817
1N5817
ISO
T
V
IN
1
2
CC
6
5
4
R
0.1µF
OUT
Transformer Driver for
C3
74HCO4
3.3kΩ
5 x 3.3kΩ
390Ω
390Ω
390Ω
390Ω
390Ω
1N5711
C2
22µF
5
4
8
IN
SET
6
15
16
22
23
17
14
MAX667
6
8
7
9
6
4N25
GND
T1
T2
T3
T4
T5
R1
R2
R3
R4
R5
21
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
1
2
4
V
SD
CC
MAX205
SHDN
OUT
ISO
GND
5
390Ω
GND
T1
T2
T3
T4
T5
EN
2
R1
R2
R3
R4
R5
OUT
OUT
OUT
OUT
OUT
20
IN
IN
IN
IN
IN
C4
22µF
ISO 5V
3
4
2
1
19
10
5
24
18
13
V
ISO
R
CC
OUT
9