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R1121N

Features: ` Ultra-Low Supply Current.................................................TYP. 35mA` Standby Mode ...................................................................TYP. 0.1mA` Low Dropout Voltage ........................................................TYP. 0.2V (IOUT = 100mA)` High Rip...

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SeekIC No. : 004468882 Detail

R1121N: Features: ` Ultra-Low Supply Current.................................................TYP. 35mA` Standby Mode ...................................................................TYP. 0.1mA` Low Dropou...

R1121N Data Sheet

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Part Number:
R1121N
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/25

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Product Details

Description



Features:

` Ultra-Low Supply Current.................................................TYP. 35mA
` Standby Mode ...................................................................TYP. 0.1mA
` Low Dropout Voltage ........................................................TYP. 0.2V (IOUT = 100mA)
` High Ripple Rejection .......................................................TYP. 70db (f = 1kHz)
` Low Temperature-Drift Coefficient of Output Voltage .....TYP. ±100ppm/°C
` Excellent Line Regulation .................................................TYP. 0.05%/V
` High Accuracy Output Voltage..........................................±2.0%
` Small Package ..................................................................SOT-23-5 (Mini-mold)
` Output Voltage ..................................................................Stepwise setting with a step of 0.1V in the range of 1.5V to 5.0V is possible.
` Built-in chip enable circuit (2 Types; A: active "L", B: active "H")
` Pinout ................................................................................Similar to the TK112, TK111


Application

· Power source for cellular phones such as GSM, CDMA and various kind of PCSs.
· Power source for domestic appliances such as cameras, VCRs and camcorders.
· Power source for battery-powered equipment.


Pinout

Connection Diagram


Specifications

Symbol Item Rating Unit
VIN Input Voltage 9 V
VCE Input Voltage (CE or CE Pin) 0.3 to VIN +0.3 V
VOUT Output Voltage 0.3 to VIN +0.3 V
PD Power Dissipation 150 mW
Topt Operating Temperature Range -40 ~ 85 °C
Tstg Storage Temperature Range -55 ~ 125 °C



Description

The R1121N Series are voltage regulator ICs with high output voltage accuracy, extremely low supply current, low ONresistance and high ripple rejection by CMOS process. Each of R1121N consists of a voltage reference unit, an error amplifier, resistors, a current limit circuit, and a chip enable circuit. These ICs perform with low dropout voltage and a chip enable function.

The line transient response and load transient response of the R1121N Series are excellent, thus these ICs are very suitable for the power supply for hand-held communication equipment. The output voltage of these ICs is fixed with high accuracy.

Since the package for R1121N is SOT-23-5 (Mini-mold) package, high density mounting of the ICs on boards is possible.




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