HA17L431P Datasheet, PDF (4/11 Pages) Hitachi Semiconductor – High-Precision Variable Shunt Regulators

HA17L431 Series
Electrical Characteristics (Ta = 25°C, I_K = 10 mA)
Item
Symbol Min Typ Max Unit
Test Condition
Note
Reference voltage
Reference voltage
deviation
Vref
Vref(dev)
1.222 1.240 1.258 V
—
5
—
mV
V_KA = Vref
V_KA = Vref,
1
Ta = –20°C to +85°C
Reference voltage
temperature coefficient
∆Vref/∆Ta —
±30 —
ppm/°C V_KA = Vref,
0°C to 50°C gradient
Reference voltage
regulation
∆Vref/∆V_KA —
1.0
2.0
mV/V
V_KA = Vref to 16V
Reference input current Iref
—
2
6
µA
R1 = 10 kΩ, R2 = ∞
Reference current
Iref(dev) —
0.5 —
µA
temperature deviation
R1 = 10 kΩ, R2 = ∞,
Ta = –20°C to +85°C
Minimum cathode current Imin
—
0.2 1.0 mA
V_KA = Vref
2
Off cathode current
Ioff
—
0.001 1.0 µA
V_KA = 16 V, Vref = 0 V
Dynamic impedance
Z_KA
—
0.2 0.5 Ω
V_KA = Vref,
I_K = 1 mA to 50 mA
Notes: 1. Vref(dev) = (Vref maximum value at Ta = –20°C to +85°C) – (Vref minimum value at Ta = –20°C
to +85°C)
Vref(dev)
−20
+85
Ta (°C)
2. Definition of minimum cathode current.
Imin is the cathode current value at which Vref = Vref_{(IK = 10 mA)} – 15 mV.
4