S-818A33AUC-BGNT2G Seiko Instruments, S-818A33AUC-BGNT2G Datasheet - Page 12

• Manufacturer Part Number: S-818A33AUC-BGNT2G
• Description: IC REG LDO 200MA 3.3V SOT89-5
• Manufacturer: Seiko Instruments

Specifications of S-818A33AUC-BGNT2G

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: Up to 10V
• Voltage - Dropout (typical): 0.3V @ 60mA
• Number Of Regulators: 1
• Current - Output: 200mA (Min)
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-89-5
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 10 V
• Output Voltage: 3.3 V
• Output Type: Fixed
• Dropout Voltage (max): 0.44 V at 60 mA
• Output Current: 0.2 A
• Line Regulation: 0.2 % / V
• Load Regulation: 50 mV
• Voltage Regulation Accuracy: 2 %
• Maximum Power Dissipation: 1000 mW
• 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

12
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
1. Basic Operation
2. Output Transistor
Operation
*1. Parasitic diode
Figure 12 shows the block diagram of the S-818 Series.
The error amplifier compares a reference voltage (V
feedback resistors R
certain output voltage free of any fluctuations of input voltage and temperature.
The S-818 Series uses a Pch MOS FET as the output transistor.
Be sure that V
inverse current flowing from VOUT pin through a parasitic diode to VIN pin.
Current source
OUT
VSS
VIN
does not exceed V
s
and R
voltage circuit
V
Reference
ref
f
. It supplies the output transistor with the gate voltage, necessary to ensure
Error amplifier
IN
+0.3 V to prevent the voltage regulator from being damaged due to
Seiko Instruments Inc.
Figure 12 Block diagram
−
+
ref
) with the part of the output voltage divided by the
R
R
f
S
*1
VOUT
Rev.3.0
_00