參數(shù)資料
型號(hào): L6730B
廠商: STMICROELECTRONICS
元件分類(lèi): 穩(wěn)壓器
英文描述: 20 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20
封裝: HTSSOP-20
文件頁(yè)數(shù): 9/52頁(yè)
文件大?。?/td> 1569K
代理商: L6730B
L6730 - L6730B
Device description
Doc ID 11938 Rev 3
17/52
5.5
Error amplifier
5.6
Soft-start
When both VCC and VIN are above their turn-on thresholds (VIN is monitored by the OCH
pin) the start-up phase takes place. Otherwise the SS pin is internally shorted to GND. At
start-up, a ramp is generated charging the external capacitor CSS with an internal current
generator. The initial value for this current is 35 A and charges the capacitor up to 0.5 V.
After that it becomes 10 A until the final charge value of approximately 4 V (see Figure 5).
Figure 7.
Error amplifier reference
2.5V
100K
EAREF
VCCDR
0.6V
1.2V
EXT
Error Amplifier Ref.
Figure 8.
Device start-up: voltage at the SS pin
t
0.5V
4V
Vcc
Vin
Vss
4.2V
1.25V
4.2V or 8.6V
0.5V
Vcc
Vin
0.5V
1.25V
Vss
4V
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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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L6730C 功能描述:IC REG CTRLR BUCK PWM VM 20TSSOP RoHS:是 類(lèi)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:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:100% 電源電壓:8.2 V ~ 30 V 降壓:無(wú) 升壓:無(wú) 回掃:是 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:是 工作溫度:0°C ~ 70°C 封裝/外殼:8-DIP(0.300",7.62mm) 包裝:管件 產(chǎn)品目錄頁(yè)面:1316 (CN2011-ZH PDF)
L6730CQ 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Adjustable step-down controller with synchronous rectification
L6730CQTR 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Adjustable step-down controller with synchronous rectification
L6730CTR 功能描述:IC REG CTRLR BUCK PWM VM 20TSSOP RoHS:是 類(lèi)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:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:100% 電源電壓:8.2 V ~ 30 V 降壓:無(wú) 升壓:無(wú) 回掃:是 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:是 工作溫度:0°C ~ 70°C 封裝/外殼:8-DIP(0.300",7.62mm) 包裝:管件 產(chǎn)品目錄頁(yè)面:1316 (CN2011-ZH PDF)