Datasheet > RP122K291D5-TR

RP122K291D5-TR

更新时间： 2024-02-15 05:28:08

品牌	Logo	应用领域
理光 - RICOH		/
页数	文件大小	规格书
29页	3991K
描述
Fixed Positive LDO Regulator,

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技术参数
数据手册

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RP122K291D5-TR 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	unknown
风险等级：	5.64	Base Number Matches：	1

RP122K291D5-TR 数据手册

RP122x Series

400 mA Low Noise and Low Supply Current LDO Regulator

NO.EA-403-190726

OVERVIEW

The RP122x is a LDO regulator that provides low output noise, high ripple rejection and fast response

characteristics, achieved by low supply current. This device is suitable not only for noise-sensitive

applications such as high-performance analog circuits, but also for various applications.

KEY BENEFITS

• Achieves Low Noise, High PSRR and Fast Response.

• Provides Saving Space by Adopting of 4-pin Small Package without Noise Bypass Capacitor.

• Provides Long-Duration of Operation for Battery-powered Equipment by Low Supply Current of 9.5 µA

(Typ.), despite the low-noise LDO.

KEY SPECIFICATIONS

• Input Voltage Range (Max.Rating):1.9 V to 5.5 V (6.0 V)

• Output Voltage Range:

• Output Voltage Accuracy:

• Supply Current:

1.2 V to 4.8 V (0.1 V step)

±0.8% (V_SET≥ 1.8 V, Ta = 25°C)

Typ. 9.5 µA

• Output Noise:

Typ. 8 µVrms (I_OUT= 250 mA)

•

Typ. 90 dB (f = 1kHz)

Ripple Rejection:

Typ. 85 dB (f = 10kHz)

Typ. 65 dB (f = 100kHz)

• Dropout Voltage:

Typ. 0.145 V (I_OUT= 400 mA, V_SET= 2.8 V, RP122Z)

Typ. 0.170 V (I_OUT= 400 mA, V_SET= 2.8 V, RP122K)

Thermal Shutdown Protection (Detection Temp. Typ.165°C)

Inrush Current Limit at Typ.250mA for appr.700μs period after startup

1.0 µF or more (No Need of Noise Bypass Capacitor)

• Protection Features:

• Ceramic Capacitor (C_IN, C_OUT):

PACKAGE

TYPICAL APPLICATIONS

VOUT

VDD

V_OUT

RP122x

V_IN

C_IN

C_OUT

CE GND

CE Control

WLCSP-4-P8

0.64 mm x 0.64 mm, 1.00 mm x 1.00 mm,

t = 0.4 mm (Max.) t = 0.6 mm (Max.)

DFN(PLP)1010-4

Without a bypass capacitor for noise

APPLICATIONS

● Mobile Phones and Tablets, Digital Cameras, Audio Devices, and Battery-powered Equipment

● RF Modules

● Clock Generator: VCO, PLL, etc.

● Noise-sensitive Devices: ADC, DAC

12 3 4 5 6 7...29

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