参数资料
型号: TPS64202DBVR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 0.15 A SWITCHING CONTROLLER, PDSO6
封装: GREEN, PLASTIC, SOT-23, 6 PIN
文件页数: 13/29页
文件大小: 596K
代理商: TPS64202DBVR
TPS64200,TPS64201
TPS64202,TPS64203
SLVS485 AUGUST 2003
www.ti.com
20
The TPS6420x can be used for an inverter. Only one additional operational amplifier is required for this
application. When the PMOS is switched on, the current in the inductor ramps up to its maximum, set by Rs.
Then the PMOS is switched off, the energy stored in the inductor is transferred to the output. The output voltage
and the maximum output current can be calculated using:
V
O +
R1
R2
V
FB
I
O
max
[ 0.8
V
I
–V
O
V
(ISENSE)
2R
(ISENSE)
(27)
OLED Power Supply
The TPS6420x can be combined with a TPS61045 boost converter for a OLED power supply.
SW
MBR0530T1
Si2301DS
EN
GND
FB
VIN
ISENSE
VI
1.8 V to 5.5 V
10
F
TPS64200
R(ISENSE) = 150 m
47
F
X7R
7 V / 50 mA
CDRH4D28-100
750 k
R1
_
+
VI
130 k
R2
SW
OPA363
SW
L
VIN
GND
DO
FB
CTRL
PGND
4.7
H
56 k
12 k
22 pF
4.7
F
TPS61045
7 V / 50 mA
1
F
X7R
1
2
3
6
5
4
1
2
5
8
3
4
67
10
H
Figure 24. Application For a OLED Power Supply
相关PDF资料
PDF描述
TPS64200DBVRG4 0.15 A SWITCHING CONTROLLER, PDSO6
TPS64201DBVR 0.15 A SWITCHING CONTROLLER, PDSO6
TPS64203DBVTG4 0.15 A SWITCHING CONTROLLER, PDSO6
TPS64202DBVRG4 0.15 A SWITCHING CONTROLLER, PDSO6
TPS64201DBVTG4 0.15 A SWITCHING CONTROLLER, PDSO6
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TPS64202DBVT 功能描述:DC/DC 开关控制器 Adj Hi-Efficient Step-Dwn 20uA SOT-23 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
TPS64202DBVTG4 功能描述:DC/DC 开关控制器 Adj Hi-Efficient Step-Dwn 20uA SOT-23 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
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TPS64203DBVR 功能描述:DC/DC 开关控制器 Adj Hi-Efficient Step-Dwn 20uA SOT-23 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK