MC33375_06 Datasheet, PDF (1/14 Pages) ON Semiconductor – 300 mA, Low Dropout Voltage Regulator with On/Off Control

MC33375 Series
300 mA, Low Dropout
Voltage Regulator with
On/Off Control
The MC33375 series are micropower low dropout voltage
regulators available in a wide variety of output voltages as well as
packages, SOT−223 and SOP−8. These devices feature a very low
quiescent current and are capable of supplying output currents up to
300 mA. Internal current and thermal limiting protection are provided
by the presence of a short circuit at the output and an internal thermal
shutdown circuit.
The MC33375 has a control pin that allows a logic level signal to
turn−off or turn−on the regulator output.
Due to the low input−to−output voltage differential and bias current
specifications, these devices are ideally suited for battery powered
computer, consumer, and industrial equipment where an extension of
useful battery life is desirable.
Features:
• Low Quiescent Current (0.3 mA in OFF mode; 125 mA in ON mode)
• Low Input−to−Output Voltage Differential of 25 mV at I_O = 10 mA,
and 260 mV at I_O = 300 mA
• Extremely Tight Line and Load Regulation
• Stable with Output Capacitance of only 0.33 mF for 2.5 V Output
Voltage
• Internal Current and Thermal Limiting
• Logic Level ON/OFF Control
• Pb−Free Packages are Available
V_in
V_out
On/Off
Thermal &
Anti−sat
Protection
Rint
On/Off
Block
1.23 V
V. Ref.
54 K
GND
This device contains 41 active transistors
Figure 1. Simplified Block Diagram
http://onsemi.com
LOW DROPOUT
MICROPOWER VOLTAGE
REGULATOR
MARKING
DIAGRAMS
4
SOT−223
ST SUFFIX
1
CASE 318E
AYM
375xx G
G
1
8
1
SOIC−8
D SUFFIX
CASE 751
8
375xx
ALYW
G
1
A = Assembly Location
Y = Year
M = Date Code
L = Wafer Lot
W = Work Week
xx = Voltage Version
G = Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the
package dimensions section on page 11 of this data sheet.
© Semiconductor Components Industries, LLC, 2006
1
October, 2006 − Rev. 10
Publication Order Number:
MC33375/D