TC2055-1.8VCTTR Microchip Technology, TC2055-1.8VCTTR Datasheet - Page 7

• Manufacturer Part Number: TC2055-1.8VCTTR
• Description: IC CMOS LDO 1.8V 100MA SOT23A-5
• Manufacturer: Microchip Technology

Specifications of TC2055-1.8VCTTR

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: 2.7 ~ 6 V
• Voltage - Dropout (typical): 0.09V @ 100mA
• Number Of Regulators: 1
• Current - Output: 100mA (Min)
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 6 V
• Output Voltage: 1.8 V
• Output Type: Fixed
• Dropout Voltage (max): 140 mV
• Output Current: 100 mA
• Line Regulation: 0.05 %
• Load Regulation: 0.5 %
• Voltage Regulation Accuracy: 0.4 %
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Details
• Other names: TC20551.8VCTTR

Note: Unless otherwise indicated, V
FIGURE 2-13:
FIGURE 2-14:
Dropout Mode.
FIGURE 2-15:
© 2009 Microchip Technology Inc.
V
V
C
C
R
Load Transient Response in Dropout Mode
OUT
IN
IN
OUT
LOAD
100mV/DIV
= 3.105V
= 1μF Ceramic
50mV / DIV
2V / DIV
= 3.006V
= 1μF Ceramic
= 20Ω
100mV/DIV
Load Current
Load Transient Response.
Load Transient Response in
Line Transient Response.
Input Voltage
V
V
C
C
Frequency = 1 KHz
OUT
IN
IN
OUT
= 3.8V
= 1 μF Ceramic
IN
= 2.8V
= 1 μF Ceramic
V
C
C
I
OUT
OUT
OUT
BYP
= V
= 100μA
= 2.8V
= 1μF Ceramic
= 470pF
R
+ 1V, I
V
150mA
Load
100μA
150mA
OUT
V
100μA
V
4V
6V
OUT
OUT
L
= 100 µA, C
FIGURE 2-16:
FIGURE 2-17:
FIGURE 2-18:
OUT
= 3.3 µF, SHDN > V
TC2054/2055/2186
V
V
C
C
I
OUT
OUT
IN
OUT
BYP
= 4.0V
= 3.0V
= 100μA
= 10μF
= 0.01μF
100mV / DIV
Load Current
Load Transient Response.
Shutdown Delay.
Shutdown Wake-up Time.
IH
, T
A
= +25°C.
V
V
C
C
Frequency = 10KHz
OUT
IN
IN
OUT
= 3.0V
= 1μF Ceramic
= 2.8V
DS21663D-page 7
= 10μF Ceramic
V
V
C
C
I
OUT
OUT
IN
OUT
BYP
= 4.0V
= 100μA
= 3.0V
= 10μF
= 0.01μF
V
150mA
Load
100μA
OUT
V
V
V
V
SHDN
OUT
SHDN
OUT