参数资料
型号: LTC3532EMS#PBF
厂商: Linear Technology
文件页数: 13/16页
文件大小: 0K
描述: IC REG BUCK BST SYNC 0.5A 10MSOP
标准包装: 50
类型: 降压(降压),升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 2.4 V ~ 5.25 V
输入电压: 2.4 V ~ 5.5 V
PWM 型: Burst Mode?
频率 - 开关: 300kHz ~ 2MHz
电流 - 输出: 500mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 管件
供应商设备封装: 10-MSOP
产品目录页面: 1335 (CN2011-ZH PDF)
LTC3532
APPLICATIO S I FOR ATIO
The loop gain is typically rolled off before the RHP zero
frequency.
the output ?lter. Referring to Figure 8, the location of the
poles and zeros are given by:
A simple Type I compensation network can be incorpo-
rated to stabilize the loop, but at a cost of reduced band-
width and slower transient response. To ensure proper
f POLE1 ?
1
2 ? π ? 32e 3 ? R1 ? CP1
Hz
phase margin using Type I compensation, the loop must
(which is extremely close to DC)
be crossed over a decade before the LC double pole.
The unity-gain frequency of the error ampli?er with the
Type I compensation is given by:
f ZERO1 =
1
2 ? π ? R Z ? C P1
Hz
f UG =
1
2 ? π ? R1 ? C P1
Hz
f ZERO2 =
1
2 ? π ? R1 ? C Z1
Hz
referring to Figure 7.
Most applications demand an improved transient response
f POLE2 =
1
2 ? π ? R Z ? C P2
Hz
to allow a smaller output ?lter capacitor. To achieve a higher
bandwidth, Type III compensation is required, providing
two zeros to compensate for the double-pole response of
where resistance is in ohms and capacitance is in far-
ads.
V OUT
+
ERROR
AMP
1.22V
FB
9
V OUT
R1
+
ERROR
AMP
1.22V
FB
9
V C
10
R Z
C P1
R1
R2
C Z1
V C
10
C P1
R2
3532 F07
C P2
3532 F08
Figure 7. Error Ampli?er with Type l Compensation
Figure 8. Error Ampli?er with Type lll Compensation
3532fc
13
相关PDF资料
PDF描述
V24B15T150BG3 CONVERTER MOD DC/DC 15V 150W
V24B15T150BG2 CONVERTER MOD DC/DC 15V 150W
RBC19DRTH-S93 CONN EDGECARD 38POS DIP .100 SLD
PM2120-471K INDUCTOR TOROID 470UH 10% SMD
LT1172CN8#PBF IC REG MULTI CONFIG ADJ 8DIP
相关代理商/技术参数
参数描述
LTC3532EMS-TRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower Synchronous Buck-Boost DC/DC Converter
LTC3533 制造商:LINER 制造商全称:Linear Technology 功能描述:High Effi ciency, Synchronous, 4-Switch Buck-Boost Controller
LTC3533EDE 制造商:Linear Technology 功能描述:
LTC3533EDE#PBF 功能描述:IC REG BUCK BOOST SYNC ADJ 14DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON(1.45x1) 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2
LTC3533EDE#PBF 制造商:Linear Technology 功能描述:DC/DC Converter IC