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© Semiconductor Components Industries, LLC, 2009
May, 2009 − Rev. 10
1 Publication Order Number:
NCP582/D
NCP582
Ultra-Fast, Low Noise
150 mA CMOS LDO
Regulator with Enable
The NCP582 series of low dropout regulators are designed for
portable battery powered applications which require precise output
voltage accuracy, low quiescent current, and high ripple rejection.
These devices feature an enable function and are offered in active
low and active high with auto discharge.
The following ceramic capacitors are the recommended values to
be used with these devices; for V
out
< 2.5 V, C
in
= C
out
= 1.0 mF,
V
out
w 2.5 V, C
in
= C
out
= 0.47 mF.
Features
• Ultra−Low Dropout Voltage of 220 mV at 150 mA
• Low Output Noise of 30 mVrms without Noise Reduction Cap
• Excellent Line Regulation of 0.02%/V
• Excellent Load Regulation of 22 mV
• High Output Voltage Accuracy of "2%
• Low Iq Current of 75 mA
• Very Low Shutdown Current
• Excellent Power Supply Rejection Ratio of 70 dB at f = 1.0 kHz
• Wide Output Voltage Range of 1.5 V to 3.3 V
• Fast Dynamic Performance
• Fold Back Protection Circuit
• Low Temperature Drift Coefficient on the Output Voltage of
"100 ppm/°C
• Input Voltage up to 6.5 V
• These are Pb−Free Devices
Typical Applications
• Portable Equipment
• Hand−Held Instrumentation
• Camcorders and Cameras
Figure 1. Simplified Block Diagram
for Active Low
+
-
V
in
V
ref
Current Limit
CE
V
out
GND
+
-
V
in
V
ref
Current Limit
CE
V
out
GND
Figure 2. Simplified Block Diagram
for Active High with Auto Discharge
SC−82AB
SQ SUFFIX
CASE 419C
http://onsemi.com
MARKING
DIAGRAMS
1
4
1
6
SOT−563
XV SUFFIX
CASE 463A
XXX
XTT
1
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.
ORDERING INFORMATION
http://onsemi.com
X = Device Code
T = Traceability Information
XX
TT
1
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