參數(shù)資料
型號： NCP1395APG
廠商： ON SEMICONDUCTOR
元件分類： 穩(wěn)壓器
英文描述： High Performance Resonant Mode Controller
中文描述： SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDIP16
封裝： LEAD FREE, PLASTIC, DIP-8
文件頁數(shù)： 22/27頁
文件大?。?/td> 345K
代理商： NCP1395APG
NCP1395A/B
http://onsemi.com
22
Protection Circuitry
This resonant controller differs from competitors due to
its protection features. The device can react to various
inputs like:
Fast events input:
Like an overcurrent condition, a
need to shutdown (sleep mode) or a way to force a
controlled burst mode (skip cycle at low output
power): as soon as the input level exceeds 1.0 V
typical, pulses are immediately stopped. On the
A version, when the input is released, the controller
performs a clean startup sequence without softstart
unless the feedback voltage goes down below 0.6 V
during fault time (please see above for details). The
B version restarts with a softstart sequence.
Slow events input:
This input serves as a delayed
shutdown, where an event like a transient overload
does not immediately stopped pulses but start a timer.
If the event duration lasts longer than what the timer
imposes, then all pulses are disabled. The voltage on
the timer capacitor (pin 3) starts to decrease until it
reaches 1.0 V. The decrease rate is actually depending
on the resistor the user will put in parallel with the
capacitor, giving another flexibility during design.
Figure 48 depicts the architecture of the fault circuitry.
Vdd
Itimer
Reset
UVLO
Output
Current
Image
Rtimer
Ctimer
Ctimer
NINV
+
ON/OFF
1 = fault
0 = ok
+
Vref Fault
+
+
VtimerON
VtimerOFF
1 = ok
0 = fault
+
Vref Fault
+
+
Vref
Out
CC Regulation
Compensation
Slow Fault
Fast Fault
+
1 = ok
0 = fault
DRIVING
LOGIC
SS
A
A
B
B
Reset
To FB
Fast
Input
Figure 48. This Circuit Combines a Slow and Fast Input for Improved Protection Features
相關(guān)PDF資料
PDF描述
NCP1395ADR2G High Performance Resonant Mode Controller
NCP1395BDR2G High Performance Resonant Mode Controller
NCP1395BPG High Performance Resonant Mode Controller
NCP1395A High Performance Resonant Mode Controller(高性能諧振模式控制器)
NCP1395B High Performance Resonant Mode Controller(高性能諧振模式控制器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NCP1395B 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Resonant Mode Controller
NCP1395BDR2G 功能描述:電壓模式 PWM 控制器 PWM CONTROLLER RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
NCP1395BPG 功能描述:電壓模式 PWM 控制器 PWM CONTROLLER RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
NCP1395D 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Resonant Mode Controller
NCP1395LLCGEVB 功能描述:BOARD EVAL NCP1395 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - DC/DC 與 AC/DC（離線）SMPS 系列:* 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
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