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參數(shù)資料
| 型號： | R1130DXXXX |
| 英文描述： | Power Management ICs |
| 中文描述： | 電源管理IC |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 261K |
| 代理商： | R1130DXXXX |
2002. Mar. 14
Rev. 1.11 - 1 -
300mA LDO REGULATOR R1130XxxxA/B/C Series
I
OUTLINE
The R1130Xxxxx Series are voltage regulator (VR) ICs by CMOS process. VR function has features of high
ripple rejection, low dropout voltage, high output voltage accuracy, and ultra-low supply current. Each of these
ICs consists of a voltage reference unit, an error amplifier, resistors for setting output voltage, and a current
limit circuit. Each of the R1130xxxxA/B type includes also a chip enable circuit.
Output Voltage of the R1130xxxxC type is adjustable with external resistors.
Output Voltage of R1130xxxxA/B is fixed in the IC. Low supply current by the merit of CMOS process and
built-in transistors with low ON-resistance make low dropout voltage. These regulators in the R1130xxxxx
Series are remarkable improvement on the current regulators in terms of ripple rejection, input transient
response, and load transient response. Maximum Output Current is large for its compact size.
Thus, the R1130xxxxx series are suitable for power supply for CD-drives, DVD-drives, and so forth.
Since the package for these ICs is the SOT-89-5 package or HSON-6P, high density mounting of the ICs on
boards is possible.
I
FEATURES
G
Ultra-Low Supply Current
TYP. 50μA
G
Low Standby Current
TYP. 0.1μA (VR) for A type
G
High Ripple Rejection
TYP. 60dB(f=1kHz)(VR)
G
Output Current
MIN. 300mA(Vin=Vout+1V)
G
Output Voltage (VR)
Stepwise setting with a step of 0.1V in the range of 1.5 to 5.0V(A/B Version)
(Reference 1.8V(C Version))
G
High Output Voltage Accuracy
±2.0%(VR) for A/B type,
±2.0%(Reference Voltage for adjustable VR) for C type
G
Low Dropout Voltage
TYP. 0.2V(I
OUT
=100mA)(VR)
G
Small Packages
SOT-89-5, HSON-6P
G
Built-in Current Limit Circuit
G
Low Temperature-drift Coefficient of Output Voltage
TYP.
±
100ppm/
°
C
G
Absolute Maximum Voltage
9V
G
Internal Phase Compensation (small output capacitance such as 0.1uF Ceramic can be used with.)
I
APPLICATIONS
G
Power source for CD-drives and DVD-drives, HDD.
G
Local Power source for Notebook PC.
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