19-2501; Rev 0; 7/02
MAX5919A Evaluation Kit
General Description
The MAX5919A evaluation kit (EV kit) is a fully assem-
bled and tested surface-mount dual hot-swap controller
circuit board that provides current-limiting and
VariableSpeed/BiLevel鈩?fault protection. The circuit
uses a MAX5919A IC in a 16-pin QSOP package and is
configurable for a 1.0V to 13.2V input range. The
MAX5919A features autoretry and output undervoltage
and overvoltage monitoring.
The EV kit is configured for 5V and 1.8V inputs. Both
inputs are configured for up to 10A of output current.
The MAX5919A controls two N-channel MOSFETs and
provides current regulation during startup for both
inputs. Several configurations allow the MAX5919A IC鈥檚
unique current-regulation architecture to be tailored to
the application. The current-limiting and short-circuit
protection features are configurable and demonstrate
the various features of the MAX5919A.
The EV kit features several configurations for the startup
timer setting, current limit, and output voltage monitor-
ing. The EV kit also provides independent turn-on
delays for the outputs. The EV kit can also be used to
evaluate other versions of the MAX5918 or MAX5919
after replacing the MAX5919A.
o
Input Voltage:
5V, VIN1 (As Configured)
1.8V, VIN2 (As Configured)
o
Independent ON/OFF Control
o
Outputs Configured for 5V and 1.8V
(Configurable from 1.0V to 13.2V)
o
Configured to 10A Output Current Capability
(Both Outputs)
o
25mV Current Threshold Trip (10A)
o
Demonstrates Unique Current Regulation
Architecture
o
Configurable Startup Timer
o
Configurable Current Limits
o
Configurable Output Overvoltage and
Undervoltage Monitoring (Both Outputs)
o
Evaluates MAX5918/MAX5919 with
IC Replacement
o
Surface-Mount Components
o
Fully Assembled and Tested
Features
Evaluates: MAX5918A/MAX5918L/MAX5919A/MAX5919L
Ordering Information
PART
MAX5919AEVKIT
TEMP RANGE
0掳C to +70掳C
IC PACKAGE
16 QSOP
VariableSpeed/BiLevel is a trademark of Maxim Integrated
Products, Inc.
Note:
To evaluate other versions of the MAX5918 and MAX5919,
request the desired free sample IC with the MAX5919A EV kit.
Component List
DESIGNATION QTY
C1, C2, C6, C9
4
DESCRIPTION
0.1碌F
卤10%,
50V X7R ceramic
capacitors (0805)
TDK C2012X7R1H104KT
1000碌F, 16V OS-CON capacitors
(H case)
Sanyo 16SA1000M
Not installed capacitor (H case)
Not installed capacitors (0805)
3A, 30V Schottky diodes (M flat)
Toshiba CMS02
3-pin headers
2-pin headers
DESIGNATION QTY
N1, N2
2
DESCRIPTION
30V 100A N-channel MOSFETs
(D
2
PAK)
Fairchild FDB7045L
0.0025鈩?/div>
卤5%,
1W sense resistors
(2512)
Dale/Vishay WSL2512 0.0025鈩?/div>
卤5%,
20k鈩?/div>
卤1%
resistors (0805)
723k鈩?/div>
卤0.5%
resistor (0805)
PWC-PWC0805-723K-D
100k鈩?/div>
卤0.5%
resistors (0805)
IRC PFC-W0805R-02-100K-D
C3, C4
C5
C7, C8
D1, D2
JU1, JU2, JU6
JU3, JU4, JU5,
JU7
2
0
0
2
3
4
R1, R2
R3, R4
R5
R6, R8
2
2
1
2
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
MAX5919AEVKIT PDF文件相关型号
MAX5946LEVKIT,MAX5949A,MAX5949B,MAX5954,MAX5955,MAX5956
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