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參數(shù)資料
| 型號(hào)： | ISL6551AR |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | ZVS Full Bridge PWM Controller |
| 中文描述： | DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC28 |
| 封裝： | 6 X 6 MM, PLASTIC, MO-220VJJC, QFN-28 |
| 文件頁數(shù)： | 3/26頁 |
| 文件大?。?/td> | 604K |
| 代理商： | ISL6551AR |
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3
FN9066.5
January 3, 2006
Functional Pin Description
PACKAGE PIN #
PIN SYMBOL
FUNCTION
SOIC
QFN
1
26
VSS
Reference ground. All control circuits are referenced to this pin.
2
27
CT
Set the oscillator frequency, up to 1MHz.
3
28
RD
Adjust the clock dead time from 50ns to 1000ns.
4
1
R_RESDLY
Program the resonant delay from 50ns to 500ns.
5
2
R_RA
Adjust the ramp for slope compensation (from 50mV to 250mV).
6
3
ISENSE
The pin receives the current information via a current sense transformer or a power resistor.
7
4
PKILIM
Set the over current limit with the bandgap reference as the trip threshold.
8
5
BGREF
Precision bandgap reference, 1.263V ±2% overall recommended operating conditions.
9
6
R_LEB
Program the leading edge blanking from 50ns to 300ns.
10
7
CS_COMP
Set a low current sharing loop bandwidth with a capacitor.
11
8
CSS
Program the rise time and the clamping voltage with a capacitor and a resistor, respectively.
12
9
EANI
Non-inverting input of Error Amp. It is clamped by the voltage at the CSS pin (Vclamp).
13
10
EAI
Inverting input of Error Amp. It receives the feedback voltage.
14
11
EAO
Output of Error Amp. It is clamped by the voltage at the CSS pin (Vclamp).
15
12
SHARE
This pin is the SHARE BUS connecting with other unit(s) for current share operation.
16
13
LATSD
The IC is latched off with a voltage greater than 3V at this pin and is reset by recycling VDD.
17
14
DCOK
Power Good indication with a ±5% window.
18
15
ON/OFF
This is an Enable pin that controls the states of all drive signals and the soft-start.
19, 20
16, 17
SYNC2, SYNC1
These are the gate control signals for the output synchronous rectifiers.
21, 22
18, 19
LOWER2, LOWER1
Both lower drivers are PWM-controlled on the trailing edge.
23, 24
20, 21
UPPER2, UPPER1
Both upper drivers are driven at a fixed 50% duty cycle.
25
22
PGND
Power Ground. High current return paths for both the upper and the lower drivers.
26, 27
23, 24
VDDP2, VDDP1
Power is delivered to both the upper and the lower drivers through these pins.
28
25
VDD
Power is delivered to all control circuits including SYNC1 & SYNC2 via this pin.
ISL6551
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL6551AR-T | 制造商:Rochester Electronics LLC 功能描述: 制造商:Intersil Corporation 功能描述: |
| ISL6551ARZ | 功能描述:IC REG CTRLR FLYBACK PWM 28-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) |
| ISL6551ARZ-T | 功能描述:IC REG CTRLR FLYBACK PWM 28-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) |
| ISL6551EVAL1 | 功能描述:EVALUATION BOARD ISL6551 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)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 |
| ISL6551IB | 功能描述:電流型 PWM 控制器 FULL BRIDGE RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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