参数资料
型号: XC9235A33DER-G
厂商: Torex Semiconductor Ltd
文件页数: 12/34页
文件大小: 0K
描述: IC REG BUCK SYNC 3.3V 0.6A USP-6
标准包装: 3,000
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 3.3V
输入电压: 2 V ~ 6 V
频率 - 开关: 3MHz
电流 - 输出: 600mA
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: 6-UFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: USP-6C
XC9235/XC9236/XC9237 Series
■ TYPICAL APPLICATION CIRCUIT
● XC9235/XC9236/XC9237A, B, C, E, G Series (Output Voltage Fixed)
V OUT
600mA
C L
(ceramic)
L
Lx
VSS
VOUT
V IN
VSS
CE/
MODE
V IN
C IN
(ceramic)
CE/MODE
● f OSC =3.0MHz
L: 1.5 μ H
C IN : 4.7 μ F
C L : 10 μ F
● f OSC =1.2MHz
(NR3015, TAIYO YUDEN)
(Ceramic)
(Ceramic)
L:
C IN :
C L :
4.7 μ H
4.7 μ F
10 μ F
(NR4018, TAIYO YUDEN)
(Ceramic)
(Ceramic)
● XC9235/XC9236/XC9237D, F Series (Output Voltage External Setting)
<Setting for Output Voltage>
Output voltage can be set externally by adding two resistors to the FB pin. The output voltage is calculated by the R FB1 and
R FB2 value. The total of R FB1 and R FB2 is usually selected less than 1M ? .
Output voltages can be set in the range of 0.9V to 0.6V by use of 0.8V ± 2.0% reference voltage. However, when input
voltage (V IN ) is lower than the setting output voltage, output voltage (V OUT ) can not be higher than the input voltage (V IN ).
V OUT =0.8 × (R FB1 +R FB2 )/R FB2
The value of the phase compensation speed-up capacitor C FB is calculated by the formula of f ZFB = 1/(2× π ×C FB ×R FB1 ) with
f ZFB <10kHz. For optimization, f ZFB can be adjusted in the range of 1kHz to 20kHz depending on the inductance L and
the load capacitance C L which are used.
【 Formula 】
When R FB1 =470k ? and R FB2 =150k, V OUT1 =0.8 × (470k+150k) / 150k=3.3V
【 Example 】
V OUT
(V)
RFB1
(k ? )
RFB2
(k ? )
CFB
(pF)
V OUT
(V)
RFB1
(k ? )
RFB2
(k ? )
CFB
(pF)
0.9 100
1.2 150
1.5 130
1.8 300
820
300
150
240
150
100
220
150
2.5
3.0
3.3
4.0
510
330
470
120
240
120
150
30
100
150
100
470
12/34
相关PDF资料
PDF描述
XC9243B08DDR-G IC REG BUCK SYNC ADJ 2A USP-10B
XC9303B093KR-G IC REG CTRLR BST PWM 8-MSOP
XC9503B093AR-G IC REG BUCK ADJ 1A DL 10MSOP
XC9519A12AZR-G IC REG BOOST INV ADJ 2A DL 24QFN
XRP29302ETB-L IC REG LDO ADJ 3A TO263-5
相关代理商/技术参数
参数描述
XC9235A33DMR-G 功能描述:IC REG BUCK SYNC 3.3V SOT25-5 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:500 系列:- 类型:切换式电容器(充电泵),反相 输出类型:固定 输出数:1 输出电压:-3V 输入电压:2.3 V ~ 5.5 V PWM 型:Burst Mode? 频率 - 开关:900kHz 电流 - 输出:100mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 细型,TSOT-23-6 包装:带卷 (TR) 供应商设备封装:TSOT-23-6 其它名称:LTC1983ES6-3#TRMTR
XC9235B08C4R-G 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:600mA Driver Tr. Built-In, Synchronous Step-Down DC/DC Converters
XC9235B08CER 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:600mA Driver Tr. Built-In, Synchronous Step-Down DC/DC Converters
XC9235B08CER-G 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:600mA Driver Tr. Built-In, Synchronous Step-Down DC/DC Converters
XC9235B08CMR 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:600mA Driver Tr. Built-In, Synchronous Step-Down DC/DC Converters