R5325K004A

更新时间： 2022-04-23 23:00:11

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R5325K004A 数据手册

R5325x SERIES

150mA 2ch LDO REGULATOR

OUTLINE

NO.EA-127-0606

The R5325x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, low supply

current (Typ. 3.0µA), low dropout, and fast transient response. Each of these voltage regulator ICs consists of a

voltage reference unit, an error amplifier, resistors for setting output voltage, a current limit circuit, and a chip

enable circuit.

These ICs perform with low dropout voltage due to built-in transistor with low ON resistance, and a chip enable

function prolongs the battery life of each system. The line transient response and load transient response of the

R5325x Series are excellent, thus these ICs are very suitable for the power supply for hand-held communication

equipment.

The supply current at no load of R5325x Series is remarkably reduced compared with R5325x Series. The

mode change signal to reduce the supply current is not necessary.

The output voltage of these ICs is internally fixed with high accuracy (±1.0%) Since the packages for these ICs

are SOT-23-6 and PLP1820-6 package, 2ch LDO regulators are included in each, high density mounting of the

ICs on boards is possible.

FEATURES

• Input Voltage .................................................................1.5V to 6.0V

• Output Voltage ..............................................................1.2V to 4.0V

• High Output Voltage Accuracy ......................................±1.0% (V^OUT1.5V)

• Low Supply Current ......................................................Typ. 3.0µA (VR1, VR2)

• Standby Current............................................................Typ. 0.1µA (VR1,VR2)

• Low Dropout Voltage.....................................................Typ. 0.2V (I^OUT=150mA ,VOUT=3.0V)

• High Ripple Rejection ...................................................Typ. 55dB (f=1kHz)

• Built-in fold-back protection circuit................................Typ. 50mA (Current at short mode)

• Low Temperature-Drift Coefficient of Output Voltage....Typ. ±100ppm/°C

• Excellent Line Regulation .............................................Typ.0.02%/V

• Built-in chip enable circuit (active “H”)

• Fast Transient Response Time from large load current to small load current (50% less than R5323x)

• Small Packages ..........................................................SOT-23-6, PLP1820-6

• Ceramic Capacitor is recommended. (0.1µF or more)

APPLICATIONS

• Power source for handheld communication equipment.

• Power source for electrical appliances such as cameras, VCRs and camcorders.

• Power source for battery-powered equipment.

12 3 4 5 6 7...25

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