LR432AH Datasheet, PDF (1/3 Pages) Leshan Radio Company – Low Voltage Adjustable Precision Shunt Regulator

LESHAN RADIO COMPANY, LTD.
Low Voltage Adjustable Precision Shunt Regulator
LR432xH
Features:
• Precise Reference Voltage to 1.24V
• Guaranteed 1% Reference Voltage
Tolerance
• Sink Current Capability, 80µA to100mA
• Quick Turn-on
• Adjustable Output Voltage, V_o=V_REF to 12V
• 0.2 Ω Typical Output Impedance
• ESD: 4000V H BM
We declare that the material of product is ROHS
compliant and does not contain any Br, Cl, and
Sb203
Absolute Maximum Ratings
Symbol
Parameter
V_KA
Cathode voltage
I_K
Continuous cathode current range
I _REF
Reference current range
Tj
Operating Junction Temperature Range
1
2₃
72
72  5HI  $QRGH  &DWKRGH
Rating
Unit
12
V
100
mA
3
mA
- 40 to 150
°C
Electrical Characteristics T_A= 25°C ( unless otherwise noted)
Symbol
Parameter
Test Conditions
V_RFF
Reference voltage
V_DEV
∆V_REF/∆V_KA
I_REF
V_REF Temp Deviation
Ratio of Change in V_REF to
Change in Cathode Voltage
Reference Input Current
I_REF(DEV)
I_REF Temp Deviation
Ik(off)
Zka
Off-state cathode current
Dynamic Output Impedance
V_KA=V_REF, l_K=10mA (Fig. 1)
T_A =25°C
T_A=full range(see Note1)
V_KA=V_REF, l_K=10mA(Fig. 1)
!_K=10mA, V_KA=12V to V_REF
(Fig. 2)
I_K=10mA, R₁ =10kΩ R₂=∞
(Fig.2)
T_K=full range (see Note 1), R₁
=10kΩ, R₂=∞, I_K=10mA (Fig.
2)
V_REF=0 V,(Fig.3)
V_k=12V
V_ka=V_ref, I_k=1mA to 100mA
F ≤1kHz (Fig. 1)
LR432AH
Min Typ Max
1.228 1.240 1.252
10
25
-1
-2.7
0.5
1
0.05 0.3
0.04 0.5
0.2 0.4
Unit
V
mV
mV / V
µA
µA
µA
Ω
IK(MIN)
Minimum Operating Current V_KA=V_REF(Fig. 1)

Notes: 1. Full temperature range is -40°C to 105°C for LR432AH
60
80
µA
1/3