U2270B Datasheet, PDF (10/13 Pages) TEMIC Semiconductors – Read / Write Base Station IC

U2270B
Absolute Maximum Ratings
All voltages are referred to GND (Pins 1 and 7).
Parameters/Conditions Pin
Symbol
Min.
Operating voltage
Operating voltage
Pin 12
V_Batt
V_S
Pins 8, 9, 10, 11 and 14 V_S, V_EXT,
–0.3
DV_S, Coil 1,
Coil 2
Range of input and output voltages
Pins 3, 4, 5, 6, 15 and 16
–0.3
Pins 2 and 13
–0.3
Output current
Pin 10
I_EXT
Output current
Pin 2
I_OUT
Driver output current
Pins 8 and 9
I_Coil
Power dissipation
SO16
P_tot
Junction temperature
T_j
Storage temperature
T_stg
–55
Ambient temperature
T_amb
–40
Typ.
Max.
Unit
16
V
8
V
V_S+0.3
V
V_Batt
10
mA
10
mA
200
mA
380
mW
150
°C
125
°C
105
°C
Thermal Resistance
Parameters/Conditions Pin
Thermal resistance
SO16
Symbol Min.
Typ.
Max.
Unit
R_thJA
120
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.
Max.
Unit
12
16
V
5.4
6.3
V
8
125
150
kHz
10 (13)
TELEFUNKEN Semiconductors
Rev. A3, 13-Dec-96