參數(shù)資料
型號(hào): L5988D
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 5.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: LEAD FREE, HTSSOP-16
文件頁(yè)數(shù): 38/52頁(yè)
文件大小: 1858K
代理商: L5988D
L5988D
Application information
Doc ID 15324 Rev 3
43/52
In Figure 27. is shown an additional application example where the L5988D operates at a
switching of 600 kHz. The designed system bandwidth is 73 kHz with a the phase margin of
51
°. The peak current limitation is set 5.2 A, the valley current limitation 5.8 A in order to
deliver up to 4 A DC to the load.
Table 13.
Component list application circuit (fSW = 400 kHz)
Reference
Part number
Description
Manufacturer
C1
GRM32ER61E226KE15
Chip capacitor 22 F 25 V
Murata
C10
GRM188R71E105KA12
Chip capacitor 1F 25 V
Murata
C2A
GRM32ER61C476KE15
Chip capacitor 47 F 16 V
C8
Chip capacitor 1 F
C3
Chip capacitor 330 nF
C5
Chip capacitor 22 nF
C6
Chip capacitor 1 nF
C7
Chip capacitor 10 nF
L1
744 311 470
Inductor 4.7 H
Wurth elektronik
R1
Chip resistor 12 k
Ω ± 1%
R2
Chip resistor 3.3 k
Ω ± 1%
R3
Chip resistor 220 k
Ω ± 1%
R5
Chip resistor 1.2 k
Ω ± 1%
R6
Chip resistor 4.7 k
Ω ± 1%
R7
Chip resistor 56
Ω ± 1%
R8
Chip resistor 4.7 k
Ω ± 1%
R12
Chip resistor 5.6 R ± 1%
U1
I.C. L5988D
STMicroelectronics
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L5988DTR 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 4A Step Down Reg 2.9V to 18V 200ns RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
L5989D 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 4A cont 5A pulsed step-down sw RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
L5989DTR 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 4A cont 5A pulsed step-down sw RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
L5991 功能描述:電流型 PWM 控制器 Prog Current Mode RoHS:否 制造商:Texas Instruments 開(kāi)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
L5991_01 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PRIMARY CONTROLLER WITH STANDBY