U2405B Datasheet, PDF (12/17 Pages) TEMIC Semiconductors – Fast Charge Controller for Drained NiCd/NiMH Batteries

U2405B
Absolute Maximum Ratings
Reference point Pin 2 (GND), unless otherwise specified
Parameters
Symbol
Value
Unit
Supply voltage
Pin 15
V_S
26
V
Voltage limitation
I_S = 10 mA
31
Current limitation
t < 100 ms
Pin 15
I_S
25
mA
100
Voltages at different pins Pins 1, 3 and 11
V
26
V
Pins 4 to 10, 12 to 14 and 16 to 18
7
Currents at different pins Pin 1
I
Pins 3 to 14 and 16 to 18
25
mA
10
Power dissipation
T_amb = 60°C
Ambient temperature range
Junction temperature
Storage temperature range
P_tot
650
mW
T_amb
– 10 to +85
°C
T_j
125
°C
T_stg
– 40 to +125
°C
Thermal Resistance
Junction ambient
Parameters
DIP18
SO20
Symbol
R_thJA
R_thJA
Value
80
100
Unit
K/W
K/W
Electrical Characteristics
V_S = 12 V, T_amb = 25°C, reference point Pin 2 (GND), unless otherwise specified
Parameters
Test Conditions / Pins Symbol Min.
Power supply
Pin 15
Voltage range
Power-on threshold
ON
OFF
V_S
8
V_S
3.0
4.7
Current consumption
without load
I_S
3.9
Reference
Pin 14
Reference voltage
Reference current
Temperature coefficient
I_Ref = 5 mA
I_Ref = 10 mA
V_Ref
6.19
6.14
– I_Ref
TC
Operational amplifier OP
Output voltage range
Output current range
Output pause current
I₅ = 0
V₅ = 3.25 V
Non-inverting input voltage
Non-inverting input current
Comparator or temperature control
Pin 5
Pin 5
Pin 5
Pin 6
Pin 6
V₅
0.15
±I₅
80
–I_pause
100
V₆
0
±I₆
Input current
Input voltage range
Threshold voltage
Pins 7 and 8 ±I_{7, 8}
Pins 7 and 8 V_{7, 8}
0
Pin 8
V₈
3.85
Typ.
6.5
6.5
– 0.7
Max. Unit
26
V
3.8
V
5.7
V
9.1
mA
6.71
V
6.77
V
10
mA
mV/K
5.8
V
mA
mA
5
V
0.5
mA
0.5
mA
5
V
4.15
V
12 (17)
TELEFUNKEN Semiconductors
Rev. A2, 14-Nov-96