3.3V/5V or Adjustable-Output,
Step-Up DC-DC Converters
MAX856–MAX859
Table 2. Surface-Mount Inductor Information
MANUFACTURER PART
Sumida CDR105B-470
Sumida CDR74B-470
Sumida CD43-470
Sumida CD43-220
Murata-Erie LQH4N220
Murata-Erie LQH4N470
Murata-Erie LQH1N220
TDK NLC322522T-220K
TDK NLC322522T-470K
Coiltronics CTX20-1
Coilcraft DT1608-223
INDUCTANCE
(
m
H)
47
47
47
22
22
47
22
22
47
20
22
RESISTANCE
(
W
)
0.14
0.27
0.85
0.38
0.94
1.5
3.1
1.15
2.25
0.175
0.16
RATED CURRENT
(A)
1.0
0.8
0.540
0.760
0.320
0.220
0.85
0.210
0.150
1.15
0.500
HEIGHT
(mm)
5.0
4.5
3.2
3.2
2.6
2.6
1.8
2.2
2.2
4.2
3.2
__Ordering Information (continued)
PART
MAX858CSA
MAX858CUA
MAX858C/D
MAX858ESA
MAX858MJA
MAX859CSA
MAX859CUA
MAX859C/D
MAX859ESA
MAX859MJA
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-55°C to +125°C
PIN-PACKAGE
8 SO
8 µMAX
Dice*
8 SO
8 CERDIP
†
8 SO
8 µMAX
Dice*
8 SO
8 CERDIP
†
___________________Chip Topography
LX
SHDN
3/5 OR FB*
GND
0.084"
(2.1336mm)
REF
OUT
* Dice are tested at T
A
= +25°C only.
†
Contact factory for availability.
LBO
LBI
0.058"
(1.4732mm)
*3/5 FOR MAX856/MAX858; FB FOR MAX857/MAX859.
TRANSISTOR COUNT: 357;
SUBSTRATE CONNECTED TO OUT.
______________________________________________________________________________________
11
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
