TL432A-Q1 Datasheet, PDF (4/22 Pages) Texas Instruments – ADJUSTABLE PRECISION SHUNT REGULATORS

TL432A-Q1
TL432B-Q1
SLVS900A – NOVEMBER 2008 – REVISED JULY 2012
TL432A-Q1 ELECTRICAL CHARACTERISTICS
over recommended operating conditions, T_A = 25°C (unless otherwise noted)
PARAMETER
TEST
CIRCUIT
TEST CONDITIONS
V_ref
V_I(dev)
Reference voltage
Deviation of reference voltage
over full temperature range
(see Figure 1)
Figure 2 V_KA = V_ref, I_KA = 10 mA
Figure 2 V_KA = V_ref, I_KA = 10 mA, T_A = –40°C to 125°C
ΔV_ref/
ΔV_KA
Ratio of change in reference
voltage to the change in cathode
voltage
Figure 3 I_KA = 10 mA
ΔV_KA = 10 V – V_ref
ΔV_KA = 36 V – 10 V
I_ref
I_I(dev)
Reference current
Deviation of reference current
over full temperature range
(see Figure 1)
Figure 3 I_KA = 10 mA, R1 = 10 kΩ, R2 = ∞
Figure 3
I_KA = 10 mA, R1 = 10 kΩ, R2 = ∞,
T_A = –40°C to 125°C
I_min
Minimum cathode current for
regulation
Figure 2 V_KA = V_ref
I_off
|z_KA|
Off-state cathode current
Dynamic impedance
(see Figure 1)
Figure 4 V_KA = 36 V, V_ref = 0
Figure 2 I_KA = 1 mA to 100 mA, V_KA = V_ref, f ≤ 1 kHz
TL432B-Q1 ELECTRICAL CHARACTERISTICS
over recommended operating conditions, T_A = 25°C (unless otherwise noted)
PARAMETER
TEST
CIRCUIT
TEST CONDITIONS
V_ref
V_I(dev)
Reference voltage
Deviation of reference voltage
over full temperature range
(see Figure 1)
Figure 2 V_KA = V_ref, I_KA = 10 mA
Figure 2 V_KA = V_ref, I_KA = 10 mA, T_A = –40°C to 125°C
ΔV_ref/
ΔV_KA
Ratio of change in reference
voltage to the change in cathode
voltage
Figure 3 I_KA = 10 mA
ΔV_KA = 10 V – V_ref
ΔV_KA = 36 V – 10 V
I_ref
I_I(dev)
Reference current
Deviation of reference current
over full temperature range
(see Figure 1)
Figure 3 I_KA = 10 mA, R1 = 10 kΩ, R2 = ∞
Figure 3
I_KA = 10 mA, R1 = 10 kΩ, R2 = ∞,
T_A = –40°C to 125°C
I_min
Minimum cathode current for
regulation
Figure 2 V_KA = V_ref
I_off
|z_KA|
Off-state cathode current
Dynamic impedance
(see Figure 1)
Figure 4 V_KA = 36 V, V_ref = 0
Figure 2 I_KA = 1 mA to 100 mA, V_KA = V_ref, f ≤ 1 kHz
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MIN TYP MAX UNIT
2470 2495 2520 mV
14
34 mV
–1.4 –2.7
mV/V
–1
–2
2
4 μA
0.8 2.5 μA
0.4 0.7 mA
0.1 0.5 μA
0.2 0.5 Ω
MIN TYP MAX UNIT
2483 2495 2507 mV
14
34 mV
–1.4 –2.7
mV/V
–1
–2
2
4 μA
0.8 2.5 μA
0.4 0.7 mA
0.1 0.5 μA
0.2 0.5 Ω
4
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