
MAX856–MAX859
3.3V/5V or Adjustable-Output,
Step-Up DC-DC Converters
______________________________________________________________________________________ 11
__Ordering Information (continued)
___________________Chip Topography
TRANSISTOR COUNT: 357;
SUBSTRATE CONNECTED TO OUT.
8 CERDIP
†
-55°C to +125°CMAX859MJA
8 SO-40°C to +85°CMAX859ESA
Dice*0°C to +70°CMAX859C/D
8 µMAX0°C to +70°CMAX859CUA
8 SO0°C to +70°C
MAX859CSA
8 CERDIP
†
-55°C to +125°CMAX858MJA
8 SO-40°C to +85°CMAX858ESA
Dice*0°C to +70°CMAX858C/D
8 µMAX0°C to +70°CMAX858CUA
8 SO0°C to +70°C
MAX858CSA
PIN-PACKAGETEMP. RANGEPART
GND
LBI
OUT
3/5 OR FB*
REF
LX
0.084"
(2.1336mm)
0.058"
(1.4732mm)
SHDN
LBO
*3/5 FOR MAX856/MAX858; FB FOR MAX857/MAX859.
* Dice are tested at T
A
= +25°C only.
†
Contact factory for availability.
Table 2. Surface-Mount Inductor Information
MANUFACTURER PART
INDUCTANCE
( H)
RESISTANCE
( )
RATED CURRENT
(A)
HEIGHT
(mm)
Sumida CDR105B-470 47 0.14 1.0 5.0
Sumida CDR74B-470 47 0.27 0.8 4.5
Sumida CD43-470 47 0.85 0.540 3.2
Sumida CD43-220 22 0.38 0.760 3.2
Murata-Erie LQH4N220 22 0.94 0.320 2.6
Murata-Erie LQH4N470 47 1.5 0.220 2.6
Murata-Erie LQH1N220 22 3.1 0.85 1.8
TDK NLC322522T-220K 22 1.15 0.210 2.2
TDK NLC322522T-470K 47 2.25 0.150 2.2
Coiltronics CTX20-1 20 0.175 1.15 4.2
Coilcraft DT1608-223 22 0.16 0.500 3.2
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