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参数资料
| 型号： | REG71050DDCR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHED CAPACITOR CONVERTER, 1000 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | GREEN, PLASTIC, TSOT-23, 6 PIN |
| 文件页数： | 24/24页 |
| 文件大小： | 796K |
| 代理商： | REG71050DDCR |
PROTECTION
SHUTDOWN MODE
V
IN
Enable
V
OUT
GND
REG710
C
IN
2.2mF
C
OUT
2.2mF
C
PUMP
0.22mF
4
6
3
5
1
2
CAPACITOR SELECTION
www.ti.com........................................................................................................................................... SBAS221G – DECEMBER 2001 – REVISED JANUARY 2009
pump capacitors (CIN and CPUMP, respectively) should
also be surface-mount ceramic types. In all cases,
The regulator has thermal shutdown circuitry that
X7R or X5R dielectric are recommended. See the
protects
it
from
damage
caused
by
overload
typical operating circuit shown in Figure 20 for
conditions. The thermal protection circuitry disables
component values.
the output when the junction temperature reaches
approximately +160°C, allowing the device to cool.
When
the
junction
temperature
cools
to
approximately
+140°C,
the
output
circuitry
is
automatically reenabled. Continuously running the
regulator
into
thermal
shutdown
can
degrade
reliability. The regulator also provides current limit to
protect itself and the load.
The EN pin enables the IC when pulled high and
places it into energy-saving shutdown mode when
pulled low. When in shutdown mode, the output is
disconnected from the input and the quiescent current
is reduced to 0.01
A typical. This shutdown mode
functionality is only valid when VIN is above the
Figure 20. Typical Operating Circuit
minimum recommended operating voltage. The EN
pin cannot be left floating and must be actively
With light loads or higher input voltage, a smaller
terminated either high or low.
0.1
F pump capacitor (C
PUMP) and smaller 1F input
and output capacitors (CIN and COUT, respectively)
can be used. To minimize output voltage ripple,
increase the output capacitor, COUT, to 10F or
For minimum output voltage ripple,
the
output
larger.
capacitor COUT should be a ceramic, surface-mount
type. Tantalum capacitors generally have a higher
The capacitors listed in Table 1 can be used with the
effective series resistance (ESR) and may contribute
REG710. This table is only a representative list of
to higher output voltage ripple. Leaded capacitors
compatible parts.
also increase ripple due to the higher inductance of
the package itself. To achieve best operation with low
input voltage and high load current, the input and
Table 1. Suggested Capacitors
RATED
DIELECTRIC
PACKAGE
WORKING
MANUFACTURER
PART NUMBER
VALUE
TOLERANCE
MATERIAL
SIZE
VOLTAGE
C1206C255K8RAC
2.2
F
±10%
X7R
1206
10V
Kemet
C1206C224K8RAC
0.22
F
±10%
X7R
1206
10V
ECJ
2YBOJ225K
2.2
F
±10%
X5R
805
6.3V
Panasonic
ECJ
2VBIC224K
0.22
F
±10%
X7R
805
16V
ECJ
2VBIC104
0.1
F
±10%
X7R
805
16V
EMK316BJ225KL
2.2
F
±10%
X7R
1206
16V
Taiyo Yuden
TKM316BJ224KF
0.22
F
±10%
X7R
1206
25V
Copyright 2001–2009, Texas Instruments Incorporated
9
Product Folder Link(s): REG710
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相关代理商/技术参数 |
参数描述 |
|---|---|
| REG71050DDCRG4 | 功能描述:电荷泵 60-mA 5.0V Buck/ Boost 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 |
| REG71050DDCT | 功能描述:电荷泵 60-mA 5.0V Buck/ Boost 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 |
| REG71050DDCTG4 | 功能描述:电荷泵 60-mA 5.0V Buck/ Boost 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 |
| REG71050DRV | 制造商:TI 制造商全称:Texas Instruments 功能描述:60mA, 5.0V, Buck/Boost Charge Pump in ThinSOT-23 and ThinQFN |
| REG71050DRVR | 功能描述:电荷泵 60mA 5.0V Buck/Boost 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 |
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