HA17L431ALP Datasheet, PDF (5/13 Pages) Hitachi Semiconductor – High-Precision Variable Shunt Regulators

HA17L431/HA17L431A Series
Electrical Characteristics (Ta = 25°C, I_K = 10 mA)
Item
Symbol Min Typ Max Unit
Test Condition
Remark
Reference voltage Vref
1.222 1.240 1.258 V
1.227 1.240 1.253
V_KA = Vref
HA17L431
HA17L431A
Reference voltage Vref(dev) 
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deviation

mV
V_KA = Vref,
*1
Ta = −20°C to +85°C
Reference voltage ∆Vref/∆Ta 
temperature
coefficient
±30 
ppm/°C V_KA = Vref,
0°C to 50°C gradient
Reference voltage ∆Vref/∆V_KA 
regulation
1.0
2.0
mV/V
V_KA = Vref to 16V
Reference input Iref
current

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 Imin

0.2 1.0 mA
V_KA = Vref
*2
current
Off cathode
Ioff
current

0.001 1.0 µA
V_KA = 16 V, Vref = 0 V
Dynamic
Z_KA

0.2 0.5 Ω
V_KA = Vref,
impedance
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.
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