ZXRE160 DIODES [Diodes Incorporated], ZXRE160 Datasheet - Page 9

• Manufacturer Part Number: ZXRE160
• Description: 0.6V ENHANCED ADJUSTABLE PRECISION SHUNT REGULATOR
• Manufacturer: DIODES [Diodes Incorporated]

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