U2270B
| Model | U2270B |
| Description | Read / Write Base Station IC |
| PDF file | Total 13 pages (File size: 148K) |
| Chip Manufacturer | TEMIC |
U2270B
Absolute Maximum Ratings
All voltages are referred to GND (Pins 1 and 7).
Parameters/Conditions Pin
Operating voltage
Pin 12
Operating voltage
Pins 8, 9, 10, 11 and 14
Symbol
V
Batt
V
S
, V
EXT
,
DV
S
, Coil 1,
Coil 2
Min.
V
S
–0.3
Typ.
Max.
16
8
Unit
V
V
Range of input and output voltages
Pins 3, 4, 5, 6, 15 and 16
Pins 2 and 13
Output current
Pin 10
Output current
Pin 2
Driver output current
Pins 8 and 9
Power dissipation
SO16
Junction temperature
Storage temperature
Ambient temperature
–0.3
–0.3
I
EXT
I
OUT
I
Coil
P
tot
T
j
T
stg
T
amb
–55
–40
V
S
+0.3
V
Batt
10
10
200
380
150
125
105
V
mA
mA
mA
mW
°C
°C
°C
Thermal Resistance
Parameters/Conditions Pin
Thermal resistance
SO16
Symbol
R
thJA
Min.
Typ.
Max.
120
Unit
K/W
Operating Range
All voltages are referred to GND (Pins 1 and 7)
Parameters/Conditions Pin
Operating voltage
Pin 12
Operating voltage
Pin 14
Operating voltage
Pin 10
Pin 11
Carrier frequency
Symbol
V
Batt
V
S
V
EXT
DV
S
f
osc
Min.
7
4.5
4.5
100
Typ.
12
5.4
Max.
16
6.3
8
150
Unit
V
V
125
kHz
10 (13)
TELEFUNKEN Semiconductors
Rev. A3, 13-Dec-96
