ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢀ ꢁꢂ ꢃ ꢄ ꢆꢅ ꢀ ꢁꢂ ꢃ ꢄ ꢇꢅ ꢀ ꢁꢂ ꢃ ꢈ ꢅ ꢀ ꢁꢂ ꢃ ꢈ ꢆ ꢅ ꢀꢁ ꢂꢃ ꢈꢇ
ꢆꢉꢊ ꢋꢌ ꢀꢆꢇꢁ ꢍ ꢎꢏ ꢍꢐꢑꢌ ꢑꢒ ꢓ ꢌꢔꢋ ꢓꢀ ꢏꢍ ꢕ ꢋꢁ ꢆꢀꢒ ꢏꢌ
SLVS543A – AUGUST 2004 − REVISED AUGUST 2004
electrical characteristics over recommended operating conditions, T = 25°C (unless otherwise
A
noted)
TL431I, TL432I
TEST
CIRCUIT
PARAMETER
TEST CONDITIONS
UNIT
MIN
2440
TYP
MAX
V
ref
Reference voltage
2
2
V
= V
= V
,
I = 10 mA
KA
2495
2550
mV
KA
ref
SOT23-3 and TL432
devices
Deviation of reference voltage
over full temperature range
(see Figure 1)
V
I
T
A
KA
KA
ref,
= 10 mA,
14
34
V
I(dev)
mV
= −40°C to 85°C
All other devices
5
−1.4
−1
50
−2.7
−2
∆V
∆V
= 10 V − V
ref
Ratio of change in reference voltage
to the change in cathode voltage
KA
DVref
DVKA
mV
V
3
3
I
I
I
= 10 mA
KA
KA
KA
= 36 V − 10 V
KA
I
Reference current
= 10 mA, R1 = 10 kΩ, R2 = ∞
2
4
µA
ref
Deviation of reference current
over full temperature range
(see Figure 1)
= 10 mA, R1 = 10 kΩ, R2 = ∞,
= −40°C to 85°C
I
3
0.8
2.5
µA
I(dev)
T
A
Minimum cathode current for
regulation
I
I
2
4
2
V
V
= V
ref
0.4
0.1
0.2
1
1
mA
µA
Ω
min
KA
Off-state cathode current
= 36 V,
V
ref
= 0
off
KA
I
= 1 mA to 100 mA, V
= V ,
ref
KA
f ≤ 1 kHz
KA
|z
|
Dynamic impedance (see Figure 1)
0.5
KA
electrical characteristics over recommended operating conditions, T = 25°C (unless otherwise
A
noted)
TL431Q, TL432Q
TEST
CIRCUIT
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
V
Reference voltage
2
V
V
T
A
= V
= V
,
I
= 10 mA
2440
2495
2550
mV
ref
KA
ref
KA
Deviation of reference voltage
over full temperature range
(see Figure 1)
I
= 10 mA,
KA
ref, KA
V
I(dev)
2
14
34
mV
= −40°C to 125°C
∆V
= 10 V − V
ref
−1.4
−1
2
−2.7
−2
4
Ratio of change in reference voltage
to the change in cathode voltage
KA
DVref
DVKA
mV
V
3
3
I
I
I
= 10 mA
KA
KA
KA
∆V
= 36 V − 10 V
KA
I
Reference current
= 10 mA, R1 = 10 kΩ, R2 = ∞
µA
ref
Deviation of reference current
over full temperature range
(see Figure 1)
= 10 mA, R1 = 10 kΩ, R2 = ∞,
= −40°C to 125°C
I
3
0.8
2.5
µA
I(dev)
T
A
Minimum cathode current for
regulation
I
I
2
4
2
V
V
= V
ref
0.4
0.1
0.2
1
1
mA
µA
Ω
min
KA
Off-state cathode current
= 36 V,
V
= 0
off
KA
ref
I
= 1 mA to 100 mA, V
= V ,
ref
KA
f ≤ 1 kHz
KA
|z
|
Dynamic impedance (see Figure 1)
0.5
KA
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
