ZR431F01TA Diodes Zetex, ZR431F01TA Datasheet - Page 7

• Manufacturer Part Number: ZR431F01TA
• Description: IC REG ZENER SHUNT 2.5V SOT23-3
• Manufacturer: Diodes Zetex

Specifications of ZR431F01TA

• Reference Type: Shunt, Adjustable
• Voltage - Output: 2.5 ~ 20 V
• Tolerance: ±1%
• Temperature Coefficient: 55ppm/°C
• Number Of Channels: 1
• Current - Cathode: 35µA
• Current - Output: 100mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
• Fixed / Adjust / Prog: Adjust
• Output Voltage (max): 2.5 to 20V
• Reference Voltage Accuracy (max): 1
• Input Voltage (max): 20V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 3
• Package Type: SOT-23
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -
• Current - Quiescent: -
• Lead Free Status / Rohs Status: Compliant
• Other names: ZR431F01TR

ZR431
DC test circuits
Fig 1. Test Circuit for Vz=V
Fig 2. Test circuit for V
>V
Fig 3. Test circuit for off state
ref
Z
ref
Notes
Deviation of reference input voltage,
Vdev, is defined as the maximum
variation of the reference input voltage
over the full temperature range. The
average temperature coefficient of the
reference input voltage, V
is defined
ref
as:
•
V
1000000
=
o
dev
V
(
ppm
/
C
)
−
ref
V
T (
1
T
) 2
ref
The dynamic output impedance, R
, is
z
defined as:
Δ
V
=
z
R
Δ
z
I
z
When the device is programmed with
two external resistors, R1 and R2, (fig 2) ,
the dynamic output impedance of the
overall circuit, R’, is defined as:
R
1
′
=
+
R
R
1 (
)
z
R
2
Issue 7 - January 2009
7
www.zetex.com
www.diodes.com
© Diodes Incorporated 2009