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Toshiba Electronic Components Datasheet

TCR3UM185A Datasheet

CMOS Low Drop-Out Regulator

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TCR3UM series
TOSHIBA CMOS Linear Integrated Circuit Silicon Monolithic
TCR3UM series
Ultra low quiescent current, Fast Load Transient 300 mA CMOS Low Drop-Out Regulator in
ultra small package
The TCR3UM series are CMOS general-purpose single-output voltage
regulators with an on/off control input, featuring ultra low quiescent bias
current and low dropout voltage.
These voltage regulators are available in fixed output voltages between 0.8
V and 5.0 V and capable of driving up to 300 mA. They feature Over-current
protection, Thermal Shutdown function and Auto-discharge.
The TCR3UM series is offered in the ultra small plastic mold package
DFN4 (1.0 mm x 1.0 mm; t 0.60 mm (max)) and has a low dropout voltage of
196 mV (3.3 V output, IOUT = 300 mA). As small ceramic input and output
capacitors 1 μF can be used with the TCR3UM series, these devices are
ideal for portable applications that require high-density board assembly such
as cellular phones, IoT equipment and wearable devices.
BOTTOM VIEW ILLUSTRATION
DFN4
Weight: 1.3 mg (typ.)
Applications
Power IC developed for portable applications, IoT equipment and wearable devices
Features
Ultra small package DFN4 (1.0 mm x 1.0 mm; t 0.60 mm (max)).
Low quiescent bias current ( IB = 0.34 μA (typ.) at IOUT = 0 mA, output voltage up to 1.5 V)
High Ripple rejection ratio 70 dB at 0.8 V-output
Fast Load transient response -51/+36 mV at 0.8 V-output, IOUT = 1 mA 50 mA
Low Drop-Out voltage
VIN-VOUT = 196 mV (typ.) at 3.3 V-output, IOUT = 300 mA
Wide range output voltage line up (VOUT = 0.8 to 5.0 V)
High VOUT accuracy ± 1.0 % (1.8 V VOUT)
Overcurrent protection
Thermal Shutdown function
Auto-discharge
Inrush current protection circuit
Pull down connection between CONTROL and GND
Ceramic capacitors can be used (CIN = 1 μF, COUT = 1 μF)
© 2018
1
Toshiba Electronic Devices & Storage Corporation
Start of commercial production
2018-08
2018-08-20


Toshiba Electronic Components Datasheet

TCR3UM185A Datasheet

CMOS Low Drop-Out Regulator

No Preview Available !

Absolute Maximum Ratings (Ta = 25°C)
TCR3UM series
Characteristics
Symbol
Rating
Unit
Input voltage
Control voltage
Output voltage
Power dissipation
Junction temperature
Storage temperature range
VIN
VCT
VOUT
PD
Tj
Tstg
-0.3 to 6.0
V
-0.3 to VIN + 0.3 ≤ 6.0
V
-0.3 to VIN + 0.3 ≤ 6.0
V
420 (Note1)
mW
150
°C
−55 to 150
°C
Note:
Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant
change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating
conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the
operating ranges.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test report
and estimated failure rate, etc).
Note1:
Rating at mounting on a board
Glass epoxy (FR4) board dimension: 40 mm x 40 mm (both sides of board), t = 1.6 mm
Metal pattern ratio: a surface approximately 50 %, the reverse side approximately 50 %
Through hole : diameter 0.5 mm x 24
Operating Ranges
Characteristics
Input voltage
Control voltage
Output voltage
Output current
Operation Temperature
Output Capacitance
Input Capacitance
Symbol
VIN
VCT
VOUT
IOUT
DC
Topr
COUT
CIN
Rating
1.5 to 5.5
0 to VIN
0.8 to 5.0
300
-40 to 85
1.0 μF
1.0 μF
Unit
(Note 2)
V
V
V
(Note 3) mA
°C
Note 2: IOUT = 1 mA.
Please refer to Dropout Voltage (Page 7) and use it within Absolute Maximum Ratings Junction temperature and
Operation Temperature Ranges.
Note 3: Do not operate at or near the maximum ratings of operating ranges for extended periods of time. Exposure to such
conditions may adversely impact product reliability and results in failures not covered by warranty.
© 2018
2
Toshiba Electronic Devices & Storage Corporation
2018-08-20



Part Number TCR3UM185A
Description CMOS Low Drop-Out Regulator
Maker Toshiba
Total Page 3 Pages
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