ZXRE160H5TA Diodes Inc. / Zetex, ZXRE160H5TA Datasheet - Page 9

• Manufacturer Part Number: ZXRE160H5TA
• Description: Voltage & Current References 1.0V ENH ADJ Prec Shunt REG 5-Term
• Manufacturer: Diodes Inc. / Zetex

Specifications of ZXRE160H5TA

• Rohs: yes
• Product: Voltage References
• Topology: Shunt References
• Output Voltage: 0.2 V to 18 V
• Maximum Operating Temperature: + 125 C
• Package / Case: SOT-353
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Reference Type: Adjustable
• Series Vref - Input Voltage (max): 18 V
• Series Vref - Input Voltage (min): 2 V

Application Information
Design guide:
1.
2.
3.
4.
Although unlikely to be a problem, ensure that I
ZXRE160
Document number: DS35688 Rev. 2 - 2
Determine I
Determine I
Determine I
references. There is only an output leakage current which is a maximum of 1µA. Nevertheless, it is necessary to determine an I
ensure that the device operates within its linear range at all times. I
Determine R3 from
Figure 6. 0.6V Series LDO Regulator
OUT
B
R3
from
from
and choose a suitable transistor taking power dissipation into consideration.
I
B
R
R I
3
=
3
=
V
h (
OUT
≥
V
I
FE
OUT
B I
IN
(min)
−
+
=
(max)
(
I
KA
V
V
OUT
I
REF
(cont.)
+
R
(min)
3
) 1
+
V
. The design of the ZXRE160 effectively means there is no I
BE
R3
)
≤ 15 mA.
.
www.diodes.com
9 of 15
KA(min)
≥ 10µA should be adequate for this.
Figure 7. 1.0V Series LDO Regulator
Diodes Incorporated
V
OUT
A Product Line of
=
V
REF
⎛
⎜
⎝
KA(min)
1
+
R
R
2
1
⎞
⎟
⎠
limitation as in conventional
ZXRE160
© Diodes Incorporated
June 2012
KA(min)
to