S-T111B18MC-OGDTFG Seiko Instruments, S-T111B18MC-OGDTFG Datasheet - Page 8

• Manufacturer Part Number: S-T111B18MC-OGDTFG
• Description: IC REG LDO 150MA 1.8V SOT23-5
• Manufacturer: Seiko Instruments

Specifications of S-T111B18MC-OGDTFG

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: Up to 6.5V
• Voltage - Dropout (typical): 0.28V @ 100mA
• Number Of Regulators: 1
• Current - Output: 150mA (Min)
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 6.5 V
• Output Voltage: 1.8 V
• Output Type: Fixed
• Dropout Voltage (max): 0.47 V at 100 mA
• Output Current: 150 mA
• Line Regulation: 0.2 % / V
• Load Regulation: 40 mV
• Voltage Regulation Accuracy: 1 %
• Maximum Power Dissipation: 0.3 W
• Maximum Operating Temperature: + 85 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: Lead free / RoHS Compliant

The S-T111 Series requires an output capacitor between the VOUT and VSS pins for phase compensation.
Operation is stabilized by a ceramic capacitor with an output capacitance of 0.1 μF or more in the entire
temperature range.
capacitor, a ceramic capacitor with a capacitance of 0.1 μF or more and an ESR of 10 Ω or less is required.
The value of the output overshoot or undershoot transient response varies depending on the value of the output
capacitor. The required capacitance of the input capacitor differs depending on the application.
The recommended value for an application is 1.0 μF or more for C
when selecting the output capacitor, perform sufficient evaluation, including evaluation of temperature
characteristics, on the actual device.
8
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-T111 Series
Standard Circuit
Application Conditions
Selection of Input and Output Capacitors (C
Caution The above connection diagram and constant will not guarantee successful operation.
Caution A general series regulator may oscillate, depending on the external components selected.
Input capacitor (C
Output capacitor (C
ESR of output capacitor:
Perform thorough evaluation using the actual application to set the constant.
Check that no oscillation occurs with the application using the above capacitor.
IN
However, when using an OS capacitor, tantalum capacitor, or aluminum electrolytic
):
L
):
Input
0.1 μF or more
0.1 μF or more
10 Ω or less
*1. C
*2. A ceramic capacitor of 0.1 μF or more can be used for C
C
IN
IN
*1
is a capacitor for stabilizing the input.
Single GND
Seiko Instruments Inc.
ON/OFF
VIN
Figure 9
VSS
VOUT
IN
, C
L
)
GND
IN
C
and 0.47 μF or more for C
L
*2
Output
L
.
Rev.3.0
L
; however,
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