BCR400W Datasheet, PDF (2/7 Pages) Siemens Semiconductor Group – Active Bias Controller (Supplies stable bias current even at low battery voltage and extreme ambient temperature variation)

BCR400W
Electrical Characteristics at T_A=25°C, unless otherwise specified
Parameter
Symbol
Values
Unit
min. typ. max.
DC Characteristics
Additional current consumption
V_S = 3 V
Lowest stabilizing current
V_S = 3 V
I₀
-
20 40 µA
I_min
-
0.1
- mA
DC Characteristics with stabilized NPN-Transistors
Lowest sufficient battery voltage
V_Smin
I_B (NPN) < 0.5mA
Voltage drop (V_S - V_CE)
V_drop
I_C = 25 mA
Change of I_C versus h_FE

I_C/I_C
h_FE = 50
Change of I_C versus V_S

I_C/I_C
V_S = 3 V
Change of I_C versus T_A

I_C/I_C
-
1.6
-V
- 0.65 -
-
0.08
-

h_FE /
h_FE
-
0.15
-

V_S /V_S
-
0.2
- %/K
2
Aug-07-2001