TLVH431AICT STMicroelectronics, TLVH431AICT Datasheet - Page 5

• Manufacturer Part Number: TLVH431AICT
• Description: Voltage & Current References 1.24V to 18V Prog Shunt Ref 100uA 60mA
• Manufacturer: STMicroelectronics

Specifications of TLVH431AICT

• Rohs: yes
• Product: Voltage References
• Topology: Shunt References
• Output Voltage: 1.24 V to 18 V
• Initial Accuracy: 0.5 %
• Average Temperature Coefficient (typ): 100 PPM / C
• Shunt Current (max): 60 mA
• Maximum Operating Temperature: + 125 C
• Package / Case: SOT-323-6L
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Reference Type: Programmable
• Shunt Current (min): 100 uA

TLVH431
3
Table 5.
1. The overtemperature tolerance values are calculated as: ±Vk
2. The dynamic impedance is defined as
Note:
ΔV
⏐ R
⏐ Z
Symbol
ΔI
ΔVref
------------
ΔV
ΔVka
I
ΔI
ΔI
T
V
Example: TLVH431A ΔV
KA
kmin
I
I
e
kmin
ref
ON
off
KA
ref
KA
ref
off
n
ref
/ΔT
⏐
⏐
Reference voltage
Reference voltage variation
overtemperature range
Average temperature
coefficient
Minimum cathode current for
regulation
Minimum cathode current
variation overtemperature
range
Reference input current
Reference current variation
overtemperature range
Ratio of change in reference
input voltage to change in
cathode to anode voltage
Off-state cathode current
Off-state cathode current
overtemperature range
Static impedance
Dynamic impedance
Wide band noise
Turn-on setting time
Electrical characteristics
I
Electrical characteristics for TLVH431
Limits are 100% production tested at 25 °C. Limits over the temperature range are
guaranteed through correlation and by design.
k
= 10 mA, T
Parameter
k
= ±1.24 x (0.5% + 100 ppm/
amb
(2)
= 25 °C (unless otherwise specified).
(1)
⏐ Z
KA
V
TLVH431A 0.5%
TLVH431B 0.25%
- 40 °C < T
TLVH431A 0.5%
TLVH431B 0.25%
V
V
V
V
V
+125°C
R
R
- 40 °C < T
ΔV
ΔV
- 40 °C < T
V
V
- 40 °C < T
V
V
f ≤ 1 kHz
I
V
K
KA
KA
KA
KA
KA
KA
KA
KA
KA
KA
KA
1
1
= 10 mA; 10 Hz < f < 100 kHz
⏐ =ΔV
KA
KA
= 10 kΩ, R
= 10 kΩ, R
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= 18 V to V
= 18 V to V
Doc ID 023303 Rev 1
ref
ref,
ref
KAmax
ref
KAmax,
KAmax,
KAmax,
ref,
ref,
ref,
KA
°
, - 40 °C < T
Test conditions
C x 165
amb
amb
amb
amb
ΔI
ΔI
ΔI
- 40 °C < T
/ΔI
K
K
K
k
< +125 °C
< + 125 °C
< +125 °C
< +125 °C
V
V
2
2
.
= 100 µA to 60 mA
= 10 mA to 60 mA,
= 10 mA
- 40 °C < T
ref
ref
= ∞
= ∞
25
ref
ref
°
= GND
= GND
°
C
C) = ±1.24 x (0.5%+1.65%)= ±1.24 x 2.15% = ± 26.7 mV.
x {tolerance
amb
amb
< +125 °C
amb
< +125 °C
<
25
°
C
+[(ppm
1.234
1.237
-26.7
-23.5
Min.
max
/
Electrical characteristics
°
C) x (
1000
Typ.
1.24
0.14
0.22
±30
160
100
1.5
2.5
60
70
10
30
40
Δ
T)]}.
+26.7
+23.5
1.246
1.243
Max.
±100
2000
0.62
0.85
-2.5
100
200
100
200
2.5
3.5
80
70
-2
ppm/°C
mV
mV/V
µsec
Unit
mV
µA
µA
µA
µA
nA
nA
V
Ω
Ω
RMS
5/14