Zetex ZXLD1615/1601 Manuel D’Utilisation
3
Competition
There are several competitive solutions
available for LCD and OLED biasing. Zetex
has chosen to make a SOT23-5 pin
compatible version of the industry leading
LT1615. This should enable an easy
acceptance of the part and a high chance of
being considered as an alternative source.
available for LCD and OLED biasing. Zetex
has chosen to make a SOT23-5 pin
compatible version of the industry leading
LT1615. This should enable an easy
acceptance of the part and a high chance of
being considered as an alternative source.
Other SOT23-5 pin compatible parts are:
Sipex – SP6690
TI – TPS61040
The main performance attributes of the
ZXLD1615 compared with competition are
shown in the table.
ZXLD1615 compared with competition are
shown in the table.
The ZXLD1601H6 is one of the smallest
packages available for this function. This will
be of interest where space is a premium.
packages available for this function. This will
be of interest where space is a premium.
Other parts which are similar but not pin
compatible are:
compatible are:
Maxim – MAX1605 in SOT23-6
Micrel – MIC2141
Zetex is price competitive with respect to all
these suppliers.
these suppliers.
Company
Zetex
Linear Tech
Texas Inst
Sipex
Part number
ZXLD1615
LT1615
TPS61040
SP6690
Conversion mode
PFM
PFM
PFM
PFM
Supply input voltage (V)
2.5 to 5.5
1.2 to 15
1.8 to 6
1 to 15
Output voltage (V)
28
34
28
30
Switch current (mA)
320 typ
350 typ
400 typ
350 typ
Quiescent current (µA)
60 typ
20 typ
28 typ
20 typ
Standby current (µA)
0.1 max
1 max
1 max
1 max
Feedback ctrl voltage (V)
1.0 ±2%
1.23 ±2%
1.233 ±2%
1.22 ±4%
Efficiency at 3V (%)
80
80
80
80
Operating temperature (ºC)
-40 to +85
-40 to +85
-40 to +85
-40 to +85
L1
D1
ZHCS400
ZHCS400
C2
C1
3V nominal
VOUT
EN
GN
D
FB
LX
VI
N
ZXLD1615
ON
OFF
R2
R1