參數(shù)資料
型號(hào)： CS5155HGD16
廠商： ZF Electronics Corporation
英文描述： CPU 5-Bit Synchronous Buck Controller
中文描述： CPU的5位同步降壓控制器
文件頁(yè)數(shù)： 10/14頁(yè)
文件大小： 279K
代理商： CS5155HGD16
Applications Information: continued
C
10
The bottom FET and board trace must be properly
designed to implement the OVP function.
Figure 12: OVP response to an input-to-output short circuit by immedi-
ately providing 0% duty cycle, crow-barring the input voltage to
ground.
Figure 13: OVP response to an input-to-output short circuit by pulling
the input voltage to ground.
External Output Enable Circuit
On/off control of the regulator can be implemented
through the addition of two additional discrete compo-
nents (see Figure 14). This circuit operates by pulling the
soft start pin high, and the V
FFB
pin low, emulating a short
circuit condition.
Figure 14: Implementing shutdown with the CS5155.
External Power Good Circuit
An optional Power Good signal can be generated through
the use of four additional external components (see Figure
15). The threshold voltage of the Power Good signal can be
adjusted per the following equation:
V
Power Good
=
This circuit provides an open collector output that drives
the Power Good output to ground for regulator voltages
less than V
Power Good
.
Figure 15: Implementing Power Good with the CS5155.
V
OUT
CS5155
R1
10k
R2
6.2k
R3
10k
Power Good
5V
PN3904
PN3904
(R1 + R2)
′
0.65V
R2
Shutdown
Input
5V
V
FFB
CS5155
SS
5
8
IN4148
MMUN2111T1 (SOT-23)
Trace 4 = 5V from PC Power Supply (2V/div.)
Trace 1 = Regulator Output Voltage (1V/div.)
Trace 4 = 5V from PC Power Supply (5V/div.)
Trace1 = Regulator Output Voltage (1V/div.)
Trace 2 = Inductor Switching Node (5V/div.)
相關(guān)PDF資料
PDF描述
CS5155HGDR16 CPU 5-Bit Synchronous Buck Controller
CS5155 CPU 5-Bit Synchronous Buck Controller
CS5155H CPU 5-Bit Synchronous Buck Controller
CS5155GD16 CPU 5-Bit Synchronous Buck Controller
CS5155GN16 CPU 5-Bit Synchronous Buck Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CS-5155HN16 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller
CS5155N16 制造商:ON Semiconductor 功能描述:
CS-5155N16 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller
CS5156BT 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel
CS-5156D16 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller
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