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R1122N

Features: ` Ultra-Low Supply Current.................................................TYP. 100mA` Standby Mode ...................................................................TYP. 0.1mA` Low Dropout Voltage ........................................................TYP. 0.19V (IOUT = 100mA, 3V Outp...

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SeekIC No. : 004468885 Detail

R1122N: Features: ` Ultra-Low Supply Current.................................................TYP. 100mA` Standby Mode ...................................................................TYP. 0.1mA` Low Dropo...

R1122N Data Sheet

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Part Number:
R1122N
Supply Ability:
5000

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

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Upload time: 2025/12/27

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Product Details

Description



Features:

` Ultra-Low Supply Current.................................................TYP. 100mA
` Standby Mode ...................................................................TYP. 0.1mA
` Low Dropout Voltage ........................................................TYP. 0.19V (IOUT = 100mA, 3V Output type)
` High Ripple Rejection .......................................................TYP. 80dB (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")
` Built-in Fold-back protection circuit .................................Short Current Typ. 30mA
` Pinout ................................................................................Similar to the TK112, TK111
` Ceramic Capacitors are Recommendable to be used with this IC.


Application

· Power source for cellular phones such as GSM, CDMA, PCS and so forth.
· 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
7.0
V
VCE
 Input Voltage (CE or CE Pin)
-0.3~ VIN+0.3
V
VOUT
 Output Voltage
-0.3~ VIN+0.3
V
IOUT
 Output Current
200
mA
PD
 Power Dissipation
250
mW
Topt
 Operating Temperature
Range
-40 ~ 85
°C
Tstg
 Storage Temperature Range
-55 ~ 125
°C



Description

The R1122N 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 R1122N 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 R1122N 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 R1122N is SOT-23-5 (Mini-mold) package, high density mounting of the ICs on boards is possible.




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