参数资料
型号: XRP6142EVB
厂商: Exar Corporation
文件页数: 4/17页
文件大小: 0K
描述: EVAL BOARD FOR XRP6142
特色产品: XRP6142 Synchronous Step-Down Controllers
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 2.5V
电流 - 输出: 15A
输入电压: 3.3 ~ 5.5 V
稳压器拓扑结构: 降压
板类型: 完全填充
已供物品:
已用 IC / 零件: XRP6142
相关产品: 1016-1333-ND - IC CTRLR STEP-DWN SYNC 16QFN
1016-1332-ND - IC CTRLR STEP-DWN SYNC 16QFN
1016-1331-ND - IC CTRLR STEP-DWN SYNC 16QFN
其它名称: 1016-1334
X R P 6 1 4 2
S y n c h r o n o u s S t e p - D o w n C o n t r o l l e r w i t h D D R
M e m o r y T e r m i n a t i o n
PIN ASSIGNMENT
Figure. 3: XRP6142 Pin Assignment
PIN DESCRIPTION
Name
AGND
VTTREF
VDDQ/2
V REF
REFIN
FB
CSGND
ILIM
PGND
GL
SW
GH
BST
V IN
Vcc
EN
Thermal pad
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
-
Description
Analog Ground
Buffered output of VDDQ/2
V TT reference voltage for DDR applications.
Buffer input voltage.
Voltage used for the input to the V TTREF buffer
Precision reference output
Reference input to the switching-regulator feedback comparator
Feedback input to feedback comparator
Current-sense ground
Connect a resistor between this pin and the low-side current-sense element in order to
set the current-limit-trip threshold. See applications section for instructions on how to
set this resistor
Gate driver GND.
Low-side N-channel MOSFET driver
Switch node for floating-high-side gate drive
High-side N-channel MOSFET driver
Bootstrap capacitor to drive the high-side gate driver, GH
Input voltage for the power train
Input voltage for the XRP6142 internal circuitry and gate drives. V IN and V CC can be tied
together when V IN ≥ 3.0V
Precision enable pin. Pulling this pin above 1.2V will turn the part on
Internally connected to AGND
? 2010 Exar Corporation
Page 4 of 17
Rev. 1.0.0
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