参数资料
型号: ZL2106EVAL1Z
厂商: Intersil
文件页数: 3/29页
文件大小: 0K
描述: BOARD EVAL STEP-DOWN ZL2106
标准包装: 1
系列: Zilker Labs™
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 3.3V
电流 - 输出: 6A
输入电压: 12V
稳压器拓扑结构: 降压
频率 - 开关: 400kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: ZL2106
ZL2106
Typical Application Circuit
The following application circuit represents a typical
implementation of the ZL2106. For PMBus operation, it is
recommended to tie the enable pin (EN) to SGND.
C RA
4.7 μF
F.B.
?
V IN
DDC Bus
?
C 25
10 μF
C R
4.7μF
C DD
2.2 μF
12V
ENABLE
C IN
100 μF
PGOOD
1 PG
2 DGND
3 SYNC
VDDP 27
BST 26
SW 25
C B
47nF
I 2 C/
SMBus ??
4 VSET
5 SA
6 SCL
7 SDA
8 SALRT
ZL2106
SW 24
SW 23
SW 22
SW 21
SW 20
L OUT
2.2μH
C OUT
V OUT
3.3V
9 FC
PGND 19
150 μF
Ferrite bead is optional for input noise suppression.
The DDC bus pull-up resistance will vary based on the capacitive loading of the bus, including the number of devices
The I C/SMBus pull -up resistance will vary based on the capacitive loading of the bus, including the number of devices
Notes:
?
?
connected. The 10 k Ω default value, assuming a maximum of 100 pF per device, provides the necessary 1 μs pull-up rise
time. Please refer to the Digital-DC Bus section for more details.
?? 2
connected. Please refer to the I 2 C/SMBus specifications for more details.
FIGURE 2. 12V TO 3.3V/6A APPLICATION CIRCUIT (5ms SS DELAY, 5ms SS RAMP)
Block Diagram
V IN
EN
2.5V
LDO
5V
LDO
7V
LDO
BST
PG
MGN
VSET
CFG
SS
VTRK
Power
Mgmt
PWM
Control
&
Drivers
SW
V OUT
3
DDC
SA
DDC Bus
SMBus
VSEN
NVM
FIGURE 3. BLOCK DIAGRAM
FN6852.6
February 20, 2013
相关PDF资料
PDF描述
R1D-3.33.3/P-R CONV DC/DC 1W 3.3VIN +/-3.3VOUT
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