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參數(shù)資料
| 型號(hào)： | CS51220ED16 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁(yè)數(shù)： | 13/16頁(yè) |
| 文件大小： | 184K |
| 代理商： | CS51220ED16 |
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CS51220
http://onsemi.com
6
PACKAGE PIN DESCRIPTION
PACKAGE PIN #
16 Lead SO Narrow
PIN SYMBOL
FUNCTION
1
VO
Logic output connecting to external gate driver.
2
GND
Ground.
3
VCC
Supply Voltage.
4
VREF
3.3 V reference voltage output.
5
ISET
Voltage at this pin sets pulse–by–pulse overcurrent thresh-
old. When the ISENSE exceeds ISET for a sustained period of
time, a sink current is generated at this pin. Along with exter-
nal resistors, this current provides a foldback overcurrent
threshold. The sink current is disabled periodically for restart.
6
ISENSE
Current sense input for overcurrent protection.
7
OV
Overvoltage protection monitor.
8
UV
Undervoltage protection monitor.
9
CT
Timing capacitor CT determines oscillator frequency.
10
SYNCI
By applying sync pulses to this pin, the IC can be synchro-
nized to frequencies ranging from 25% slower to several
times faster than the internal oscillator frequency.
11
DISABLE
Disable mode input pin. A voltage greater than 3.0 V turns off
the whole IC.
12
FF
Feed forward input for PWM ramp. This pin allows external
connection to make the ramp adjustable to the input line.
13
COMP
This pin carries feedback error signal from an external ampli-
fier. Internally, it connects to the PWM controller.
14
SS
A capacitor is connected to this pin for Soft Start and soft
hiccup timing.
15
VSD
The voltage at this pin programs the delay of the SYNCO
output in reference to the internal oscillator.
16
SYNCO
Sync output.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| CS51220EDR16 | 功能描述:IC REG CTRLR DIV ISO PWM 16-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| CS51221 | 制造商:CHERRY 制造商全稱:CHERRY 功能描述:Enhanced Voltage Mode PWM Controller |
| CS51221/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Enhanced Voltage Mode PWM Controller |
| CS51221_09 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Enhanced Voltage Mode PWM Controller |
| CS51221ED16 | 功能描述:電壓模式 PWM 控制器 Enhanced Current 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 |
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