ncp4671 ON Semiconductor, ncp4671 Datasheet

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ncp4671

Manufacturer Part Number
ncp4671
Description
Ncp4671 400 Ma, Dual Rail Ultra Low Dropout Linear Regulator
Manufacturer
ON Semiconductor
Datasheet

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NCP4671
400 mA, Dual Rail Ultra Low
Dropout Linear Regulator
designed to provide very low output voltages. The Dual Rail
architecture which separates the power for the LDO control circuitry
(provided via the Vbias pin) from the main power path (Vin) offers
ultra−low dropout performance, allowing the device to operate from
input voltages down to 0.9 V and to generate a fixed high accuracy
output voltage as low as 0.6 V.
quiescent currents. The family is available in a variety of packages:
SC−70, SOT23 and a small, ultra thin 1.2 x 1.2 x 0.4mm XDFN.
Features
Typical Applications
© Semiconductor Components Industries, LLC, 2011
January, 2011 − Rev. 0
The NCP4671 is a CMOS Dual Supply Rail Linear Regulator
The NCP4671 offers excellent transient response with very low
VIN
Bias Supply Voltage Range : 2.4 V to 5.25 V (V
Power Input Voltage Range : 0.9 V to V
Output Voltage Range: 0.6 to 1.5 V (available at 0.1 steps)
Very Low Dropout: 180 mV Typ. at 400 mA
Quiescent Current: 28 mA
Standby Current: 0.1 mA
±15 mV Output Voltage Accuracy (T
High PSRR: 80 dB at 1 kHz (Ripple at VIN)
Current Fold Back Protection Typ. 120 mA
Available in XDFN, SC−70, SOT23 Package
These are Pb−Free Devices
Battery Powered Equipments
Portable Communication Equipments
Cameras, VCRs and Camcorders
converter
DC/DC
Set V
Set V
50 dB at 1 kHz (Ripple at VBIAS)
Figure 1. Typical Application Schematic
OUT
OUT
+ 1.6 V to 5.25 V (V
+ 0.1 V to V
1 m
C 1
BIAS
A
C 2
1 m
= 25°C)
BIAS
(V
OUT
(V
OUT
CE
VIN
VBIAS
OUT
OUT
NCP4671x
≥ 0.8 V)
≥ 0.8 V)
GND
< 0.8 V)
< 0.8 V)
VOUT
1
C 3
2 m 2
VOUT
See detailed ordering, marking and shipping information in the
package dimensions section on page 6 of this data sheet.
(In Development)
CASE 711AA
CASE 1212
CASE 419A
(Note: Microdot may be in either location)
SOT−23−5
XX, XXX= Specific Device Code
M, MM = Date Code
A
Y
W
G
XDFN6
SC−70
ORDERING INFORMATION
http://onsemi.com
= Assembly Location
= Year
= Work Week
= Pb−Free Package
Publication Order Number:
DIAGRAMS
MARKING
XXX MG
MM
XX
XX
M
G
NCP4671/D

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ncp4671 Summary of contents

Page 1

... NCP4671 400 mA, Dual Rail Ultra Low Dropout Linear Regulator The NCP4671 is a CMOS Dual Supply Rail Linear Regulator designed to provide very low output voltages. The Dual Rail architecture which separates the power for the LDO control circuitry (provided via the Vbias pin) from the main power path (Vin) offers ultra− ...

Page 2

... Input Pin 1 GND Ground Pin CE Chip Enable Pin (“H” Active) VIN Input Pin 2 NC Not connected VOUT Output Pin Symbol V T ESD ESD http://onsemi.com 2 NCP4671Dxxxxxxxx VOUT Vref Current Limit GND Description Value 6.0 BIAS V −0 0.3 BIAS IN V −0 0.3 ...

Page 3

THERMAL CHARACTERISTICS Rating Thermal Characteristics, XDFN Thermal Resistance, Junction−to−Air Thermal Characteristics, SOT23 Thermal Resistance, Junction−to−Air Thermal Characteristics, SC−70 Thermal Resistance, Junction−to−Air ELECTRICAL CHARACTERISTICS −40°C ≤ T ≤ 85° 3 BIAS CE noted. Typical ...

Page 4

DROPOUT VOLTAGE ( OUT 2.5 V 3 OUT BIAS 0.6 V 0.094 0.093 0.093 0.7 V 0.094 0.093 0.093 0.8 V 0.098 0.093 0.093 0.9 V 0.098 ...

Page 5

... ceramic input decoupling capacitors should be connected as close as possible to the VIN and VBIAS input APPLICATION INFORMATION and ground pin of the NCP4671. Higher values and lower ESR of capacitor C1 improves line transient response. Output Decoupling Capacitor (C3 larger ceramic output decoupling capacitor is sufficient to achieve stable operation of the IC ...

Page 6

... ORDERING INFORMATION Device Marking NCP4671DSN06T1G NCP4671DSN09T1G NCP4671DSN10T1G NCP4671DSN12T1G NCP4671DSN13T1G NCP4671DSN15T1G NCP4671DMX06TCG NCP4671DMX09TCG NCP4671DMX12TCG NCP4671DMX13TCG NCP4671DMX15TCG †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. Enable R1A Auto−Discharge R1D Auto− ...

Page 7

SC−88A (SC−70−5/SOT−353 −B− 0.2 (0.008 PACKAGE DIMENSIONS CASE 419A−02 ISSUE K NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. ...

Page 8

... SEATING C PLANE 0.22 6X PACKAGE OUTLINE 0.40 PITCH *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. http://onsemi.com 8 ASME Y14.5M, 1994. TERMINAL AND IS MEASURED BETWEEN 0.15 AND 0.25mm FROM TERMINAL TIPS. ...

Page 9

... DIMENSIONS ARE IN MILLIMETERS. 2. INTERPRET DIMENSIONS AND TOLERANCES PER ASME Y14.5M, 1994. 3. DATUM SEATING PLANE. MILLIMETERS DIM MIN MAX A1 0.00 0.10 A2 1.00 1.30 B 0.30 0.50 C 0.10 0.25 D 2.80 3.00 E 2.50 3.10 E1 1.50 1.80 e 0.95 BSC e1 1.90 BSC L 0.20 --- L1 0.45 0.75 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative NCP4671/D ...

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