DGNJDZ MMTL431 Programmable precision reference Datasheet

MMTL431
Programmable Precision Reference
Features:
• Programmable output Voltage to 36 V
• Low dynamic output impedance
• Sink current capability of 1 to 100 mA
• Low output noise voltage
• Fast turn on response
1. Reference 2.Cathode 3. Anode
SOT-23 Plastic Package
Absolute Maximum Ratings (Ta = 25 OC, unless otherwise noted.)
Parameter
Symbol
Value
Unit
Cathode Voltage
VKA
37
V
Cathode Current Range (Continuous)
IKA
- 100 to + 150
mA
Reference Input Current Range
IREF
- 0.05 to + 10
mA
Power Dissipation
PD
350
mW
Operating Temperature Range
Topr
- 25 to + 85
O
Tj
150
O
Tstg
- 65 to + 150
O
Junction Temperature
Storage Temperature Range
Recmmended Operating Conditions
Parameter
C
C
C
Symbol
Min.
Max.
Unit
Cathode Voltage
VKA
VREF
36
V
Cathode Current
IKA
1
100
mA
Characteristics at Ta = 25 OC
Parameter
Reference Input Voltage
at VKA = VREF, IKA = 10 mA
Deviation of Reference Input Voltage Over Temperatue
at VKA = VREF, IKA = 10 mA, - 25 OC ≤ Ta ≤ + 85 OC
Ratio of Change in Reference Input Voltage to the Change
in Cathode Voltage
at IKA = 10 mA
∆VKA = 10 V to VREF
∆VKA = 36 V to 10 V
Symbol
Min.
Typ.
Max.
Unit
VREF
2.44
2.495
2.55
V
∆VREF
/∆T
-
4.5
17
mV
-
-1.0
-0.5
-2.7
-2
mV/V
-
1.5
4
μA
-
0.4
1.2
μA
-
0.45
1
mA
-
0.05
1
μA
-
0.15
0.5
Ω
∆VREF/∆
VKA
Reference Input Current
IREF
at IKA = 10 mA, R1 = 10 KΩ, R2 = ∞
Deviation of Reference Input Current Over Full Temperatue
∆IREF/∆T
at IKA = 10 mA, R1 = 10 KΩ, R2 = ∞, - 25 OC ≤ Ta ≤ + 85 OC
Minimum Cathode Current for Regulation
IKA(min)
at VKA = VREF
Off-Stage Cathode Current
IKA(OFF)
at VKA = 36 V, VREF = 0
Dynamic Impedance
ZKA
at VKA = VREF, IKA = 1 to 100 mA, f ≤ 1 KHz
MMTL431
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