參數(shù)資料
型號(hào)： LTC3536IMSE#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 4 A SWITCHING REGULATOR, 1440 kHz SWITCHING FREQ-MAX, PDSO12
封裝： LEAD FREE, PLASTIC, MSOP-12
文件頁數(shù)： 14/28頁
文件大?。?/td> 1088K
代理商： LTC3536IMSE#PBF
LTC3536
21
3536f
Figure 11. Compensated Error Amplifier Bode Plot
Figure 12. Complete Loop Bode Plot for Boost Operation Mode
A Bode plot of the error amplifier with the designed com-
pensation component values is shown in Figure 11. The
Bode plot confirms that the peak phase occurs at 37.8kHz
and the phase boost at that point is about 60°. In addition,
the gain at the peak phase frequency is 2dB which is close
to the design target.
APPLICATIONS INFORMATION
Figure 13. Complete Loop Bode Plot for
Buck-Boost Operation Mode
GAIN
(dB)
81
72
63
54
45
36
27
18
9
0
–9
–18
–27
–36
–45
–54
1
10
100
1k
10k
100k
FREQUENCY (Hz)
1M
10M
100M
–50
–60
–70
–80
–90
3536 F11
60
50
40
30
20
10
0
–10
–20
–30
–40
PHASE
GAIN
VO/VC
PHASE
(DEG)
The final step in the design process is to compute the Bode
plot for the entire loop using the designed compensation
network and confirm its phase margin and crossover
frequency. The complete loop Bode plot for this example
is shown in Figure 12. The loop crossover frequency is
37.8kHz which matches the design target and the phase
margin is approximately 60°.
The Bode plot for the complete loop should be checked
overall operating conditions and for variations in compo-
nent values to ensure that sufficient phase margin and
gain margin exists in all cases. The stability of the loop
should also be confirmed via time domain simulation and
by evaluating the transient response of the converter in
the actual circuit.
In this example the VIN varies from 1.8V to 5.5V. In buck-
boost operation (when 0.85 VOUT < VIN < VOUT/0.85) the
Bode plot of the complete loop shows a phase margin of
GAIN
(dB)
140
120
100
80
60
40
20
0
–20
–40
–60
–80
–100
1
10
100
1k
10k
100k
FREQUENCY (Hz)
VO/VC
1M
10M
100M
–240
–260
–280
3536 F12
–40
–60
–80
–100
–120
–140
–160
–180
–200
–220
GAIN
PHASE
(DEG)
40° for VIN = VOUT = 3.3V. In fact in this mode of operation
the DC gain increase and often make this the most critical
region to compensate.
GAIN
(dB)
100
80
60
40
20
0
–20
–40
–60
–80
1
10
100
1k
10k
100k
FREQUENCY (Hz)
VO/VC
1M
10M
100M
–240
–270
3536 F13
0
–30
–60
–90
–120
–150
–180
–210
PHASE
GAIN
PHASE
(DEG)
相關(guān)PDF資料
PDF描述
LTC3536EDD#PBF 4 A SWITCHING REGULATOR, 1440 kHz SWITCHING FREQ-MAX, PDSO10
LTC3546EFE#PBF DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28
LTC3546EUFD#PBF DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PQCC28
LTC3546IUFD DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PQCC28
LTC3546EUFD DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PQCC28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3537 制造商:LINER 制造商全稱:Linear Technology 功能描述:2.2 MHz, 600mA Synchronous Step-Up DC/DC Converter and 100mA LDO
LTC3537EUD#PBF 功能描述:IC REG DL BST/LINEAR SYNC 16-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 拓?fù)?降壓（降壓）同步（3），線性（LDO）（2） 功能:任何功能 輸出數(shù):5 頻率 - 開關(guān):300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動(dòng)器:無 帶監(jiān)控器:無 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
LTC3537EUD#TRPBF 功能描述:IC REG DL BST/LINEAR SYNC 16-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 拓?fù)?降壓（降壓）同步（3），線性（LDO）（2） 功能:任何功能 輸出數(shù):5 頻率 - 開關(guān):300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動(dòng)器:無 帶監(jiān)控器:無 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
LTC3537EUD-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:2.2 MHz, 600mA Synchronous Step-Up DC/DC Converter and 100mA LDO
LTC3537EUD-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:2.2 MHz, 600mA Synchronous Step-Up DC/DC Converter and 100mA LDO
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*