MAX1556EVKIT Maxim Integrated, MAX1556EVKIT Datasheet - Page 3

• Manufacturer Part Number: MAX1556EVKIT
• Description: Power Management IC Development Tools MAX1556 Eval Kit
• Manufacturer: Maxim Integrated
• Type: DC/DC Converters, Regulators & Controllersr
• Series: MAX1556, MAX1556A, MAX1557r

Specifications of MAX1556EVKIT

• Product: Evaluation Kits
• Tool Is For Evaluation Of: MAX1556
• Input Voltage: 2.6 V to 5.5 V
• Output Voltage: 1.8 V, 2.5 V, 3.3 V
• Description/function: The MAX1556 evaluation kit (EV kit) is a fully assembled and tested circuit board that evaluates the MAX1556 PWM step-down DC-DC converters
• Output Current: 1.2 A

Table 2. Output Voltage Selection (MAX1557ETB)
Note: Default configuration is JU4, JU5, and JU6 (1 and 2).
The MAX1556 EV kit comes preset with
SHDN2 pulled high so that the MAX1556 and MAX1557
are enabled when the input voltage is applied. To operate
the shutdown control from an external signal, remove the
Figure 1a. MAX1556 EV Kit Schematic (MAX1556)
SHDN
IN
JU1
1 and 2
1 and 2
2 and 3
2 and 3
JU4
—
1
2
3
100Ω
_______________________________________________________________________________________
R5
1
3
External Shutdown Control
2
JU3
1
2
3
0.47µF
10µF
C11
C1
JU2
10
1
9
5
6
1 and 2
2 and 3
1 and 2
2 and 3
IN_P
IN
D1
SHDN
D2
JU5
—
SHDN and
MAX1556
2
GND
U1
MAX1556 Evaluation Kit
PGND
OUT
SS
LX
shunt on JU3 for the MAX1556 (JU6 for the MAX1557).
Apply a logic high to SHDN to enable the MAX1556, or
apply a logic low to shut down the MAX1556. Apply a
logic high to SHDN2 to enable the MAX1557, or apply a
logic low to shut down the MAX1557.
8
7
4
3
1 and 2
1 and 2
1 and 2
1 and 2
2 and 3
3.3µH
JU6
0.001µF
L1
CONNECTED TO GND
22µF
EXPOSED PAD
C2
C4
OPEN
C3
OPEN
C5
MAX1557 V
R1
SHORT
R2
OPEN
Shutdown
1.0V
1.3V
1.5V
ADJ
OUT
GND
GND
OUT
3