參數(shù)資料
型號: MAX1556
廠商: Maxim Integrated Products, Inc.
英文描述: MAX1556 Evaluation Kit
中文描述: 16µA IQ、1.2A PWM降壓型DC-DC轉(zhuǎn)換器
文件頁數(shù): 3/6頁
文件大?。?/td> 510K
代理商: MAX1556
External Shutdown Control
The MAX1556 EV kit comes preset with
SHDN
and
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
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.
E
MAX1556 Evaluation Kit
_______________________________________________________________________________________
3
JU4
1 and 2
1 and 2
2 and 3
2 and 3
JU5
1 and 2
2 and 3
1 and 2
2 and 3
JU6
1 and 2
1 and 2
1 and 2
1 and 2
2 and 3
MAX1557 V
OUT
1.0V
1.3V
1.5V
ADJ
Shutdown
Table 2. Output Voltage Selection (MAX1557ETB)
Note:
Default configuration is JU4, JU5, and JU6 (1 and 2).
Figure 1a. MAX1556 EV Kit Schematic (MAX1556)
U1
MAX1556
8
9
10
1
2
3
JU1
1
2
JU3
3
1
LX
IN_P
IN
D1
7
PGND
4
OUT
3
SS
C2
22
μ
F
C1
10
μ
F
C11
0.47
μ
F
C4
0.001
μ
F
EXPOSED PAD
CONNECTED TO GND
C3
OPEN
R1
SHORT
R2
OPEN
C5
OPEN
OUT
IN
SHDN
GND
GND
GND
5
SHDN
1
2
3
JU2
6
2
D2
L1
3.3
μ
H
R5
100
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