参数资料
型号: TPS60203DGSRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHED CAPACITOR REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO10
封装: GREEN, PLASTIC, MSOP-10
文件页数: 8/24页
文件大小: 628K
代理商: TPS60203DGSRG4
TPS60200, TPS60201, TPS60202, TPS60203
REGULATED 3.3 V, 100-mA LOW-RIPPLE CHARGE PUMP
LOW POWER DC/DC CONVERTERS
SLVS274 – MARCH 2000
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
typical operating circuit TPS60201 and TPS60203
OUTPUT
INPUT
1.6 V to 3.6 V
OFF/ON
C1
1
F
C2
1
F
Co
2.2
F
Ci
2.2
F
3
4
5
6
7
8
9
10
R1
Power-Good
IN
EN
C1–
C1+
TPS60201
OUT
C2–
C2+
PG
GND
1,2
Signal
OUTPUT
INPUT
OFF/ON
C1
C2
Co
2.2
F
Ci
2.2
F
3
4
5
6
7
8
9
10
R1
Power-Good
IN
EN
C1–
C1+
TPS60203
OUT
C2–
C2+
PG
GND
Signal
1,2
0.47
F
0.47
F
3.3 V, 100 mA
3.3 V, 50 mA
1.6 V to 3.6 V
Figure 19. Typical Operating Circuit TPS60201 and TPS60203 With Power-Good Detector
power dissipation
The power dissipated in the TPS6020x devices depends mainly on input voltage and output current and is
approximated by:
P
(DISS) +
I
O
x 2xV
I
–V
O
for I
(Q) tt
I
O
(5)
By observing equation 5, it can be seen that the power dissipation is worst for highest input voltage VI and
highest output current IO. For an input voltage of 3.6 V and an output current of 100 mA the calculated power
dissipation P(DISS) is 390 mW. This is also the point where the charge pump operates with its lowest efficiency.
With the recommended maximum junction temperature of 125
°C and an assumed maximum ambient operating
temperature of 85
°C, the maximum allowed thermal resistance junction to ambient of the system can be
calculated.
RQJA(max) +
T
J(MAX) * TA
P
DISS(max)
+ 125°C * 85°C
390 mW
+ 102°C W
(6)
相关PDF资料
PDF描述
TPS60200DGSG4 SWITCHED CAPACITOR REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO10
TPS60201DGS SWITCHED CAPACITOR REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO10
TPS60200DGSR SWITCHED CAPACITOR REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO10
TPS60204DGS SWITCHED CAPACITOR REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO10
TPS60205DGSR SWITCHED CAPACITOR REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO10
相关代理商/技术参数
参数描述
TPS60204 制造商:TI 制造商全称:Texas Instruments 功能描述:REGULATED 3.3-V, 100-mA LOW-RIPPLE CHARGE PUMP LOW POWER DC/DC CONVERTERS
TPS60204DGS 功能描述:电荷泵 Regulated 3.3-V Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube
TPS60204DGSG4 功能描述:电荷泵 Regulated 3.3-V Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube
TPS60204DGSR 功能描述:电荷泵 Regulated 3.3-V Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube
TPS60204DGSRG4 功能描述:电荷泵 Regulated 3.3-V Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube