Datasheet ZTLV431 (Diodes) - 4

Typical characteristics
140 0 -1 130 -2 120 -3 -4 110 -5 100 -6 -7
Reference Current (nA)
90 -8 80
Change in reference voltage (mV)
-9 -40 -25 -10 5 20 35 50 65 80 95 110 125 0 2 4 6 8 0 1
Temperature (°C) Cathode voltage (V) Reference Current v Temperature Change in reference voltage vs Cathode voltage
26 100 V = V I = 1mA 24
Ω)
REF KA K 10 22 20 I = 10mA K 1 18
Dynamic Impedance ( Minimum cathode current (µA)
16 0.1 -40 -25 -10 5 20 35 50 65 80 95 110 125 0.1 1 10 100
Temperature (°C) Frequency (kHz) Minimum cathode current vs temperature Dynamic impedance vs frequency
1.244 350 300 1.242
) V
250 1.24 200 1.238 150
rence voltage (
1.236
e
100
Ref
1.234
Power dissipation (mW)
50 1.232 -40 -25 -10 -5 20 35 50 65 80 95 110 125 -42 -25 -10 5 20 35 50 65 80 95 110 125
Ambient temperature (°C) Temperature (°C) Reference voltage vs Temperature Power dissipation derating Issue 7 - April 2008 4 www.zetex.com
© Zetex Semiconductors plc 2008 Document Outline ZTLV431 1.24V Cost effective shunt regulator Description Features Applications Pin connections Ordering information Absolute maximum ratings Package thermal data Recommended operating conditions Electrical characteristics (electrical characteristics over recommended operating conditions, TA = 25°C, KKA = VREF, IKA = 10mA unless otherwise stated) Typical characteristics Pin connections - preview status devices Package outline - SOT23