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PDF NCP59748 Data sheet ( Hoja de datos )
| Número de pieza | NCP59748 | |
| Descripción | Dual-Rail Very Low-Dropout Linear Regulator | |
| Fabricantes | ON Semiconductor | |
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NCP59748
1.5 A, Dual-Rail Very
Low‐Dropout Linear
Regulator with
Programmable Soft‐Start
The NCP59748 is dual−rail very low dropout voltage regulator,
capable of providing an output current in excess of 1.5 A with a
dropout voltage of 60 mV typ. at full load current. The devices are
stable with ceramic and any other type of output capacitor ≥ 2.2 mF.
This series contains adjustable output voltage version with output
voltage down to 0.8 V. Internal protection features consist of built-in
thermal shutdown and output current limiting protection.
User-programmable Soft-Start and Power-Good pins are available on
both QFN and DFN versions.
The NCP59748 is offered in DFN10 3×3 and QFN20 5×5 packages.
Features
• Output Current in Excess of 1.5 A
• VIN Range: 0.8 V to 5.5 V
• VBIAS Range: 2.7 V to 5.5 V
• Output Voltage Range: 0.8 V to 3.6 V
• Dropout Voltage: 60 mV at 1.5 A
• Programmable Soft-Start
• Open Drain Power Good Output
• Fast Transient Response
• Stable with Any Type of Output Capacitor ≥ 2.2 mF
• Current Limit and Thermal Shutdown Protection
• These are Pb−Free Devices
Applications
• Consumer and Industrial Equipment Point of Load Regulation
• FPGA, DSP and Logic Power Supplies
• Switching Power Supply Post Regulation
NCP59748
Figure 1. Typical Application Schematic
www.onsemi.com
QFN20
CASE 485DB
DFN10
CASE 485C
PIN CONNECTIONS
IN
IN
IN
PG
BIAS
54321
6 20
7 19
8 GND 18
9 17
10 16
11 12 13 14 15
OUT
OUT
OUT
NC
FB
QFN20−5y5−0.65P
IN 1
IN 2
PG 3
BIAS 4
EN 5
Thermal
Pad
10 OUT
9 OUT
8 FB
7 SS
6 GND
DFN10−3y3−0.5P
MARKING DIAGRAMS
1
XXXXXXXX
XXXXXXXX
AWLYYWWG
G
QFN20
1
XXXXX
XXXXX
ALYWG
G
DFN10
XXXXX = Specific Device Code
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW/W = Work Week
G = Pb-Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering, marking and shipping information in the
package dimensions section on page 4 of this data sheet.
© Semiconductor Components Industries, LLC, 2014
February, 2014 − Rev. 0
1
Publication Order Number:
NCP59748/D
1 page  
NCP59748
0.20
0.15
0.10
0.05
0
−0.05
−0.10
−0.15
−0.20
0
TYPICAL CHARACTERISTICS
At TJ = +25°C, VIN = VOUT(TYP) + 0.3 V, VBIAS = 5 V, IOUT = 50 mA, VEN = VIN,
CIN = 1 mF, CBIAS = 4.7 mF, and COUT = 10 mF, unless otherwise noted.
0.5
0.4
0.3
−40°C
+125°C
0.2
0.1 −40°C
+125°C
+25°C
0
−0.1 +25°C
−0.2
−0.3
−0.4
−0.5
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
0.5 1.0 1.5 2.0 2.5 3.0 3.5
VIN − VOUT (V)
Figure 3. VIN Line Regulation
VBIAS − VOUT (V)
Figure 4. VBIAS Line Regulation
4.0
0.5
0.4
0.3
0.2
0.1
0
−0.1
−0.2
−0.3
−0.4
−0.5
0
+125°C
+25°C
−40°C
10 20 30 40
IOUT, OUTPUT CURRENT (mA)
Figure 5. Load Regulation
0.5
0.4
0.3
0.2
0.1
0
−0.1
−0.2
−0.3
−0.4
−0.5
50 0
+125°C
+25°C
−40°C
0.5 1.0
IOUT, OUTPUT CURRENT (A)
Figure 6. Load Regulation
1.5
60
50 +125°C
40
+25°C
30
−40°C
20
10
0
0 0.5 1.0 1.5
IOUT, OUTPUT CURRENT (A)
Figure 7. VIN Dropout Voltage vs. IOUT and
Temperature TJ
200
180
160 IOUT = 1.5 A
140
120
100
80
60 +125°C
40 +25°C
20 −40°C
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
VBIAS − VOUT (V)
Figure 8. VIN Dropout Voltage vs. (VBIAS −
VOUT) and Temperature TJ
www.onsemi.com
5
5 Page 
NCP59748
PACKAGE DIMENSIONS
QFN20 5x5, 0.65P
CASE 485DB
ISSUE O
D
ÉÉPIN ONE
REFERENCE
0.15 C
AB
E
LL
L1
DETAIL A
ALTERNATE TERMINAL
CONSTRUCTIONS
0.15 C TOP VIEW
DETAIL B
0.10 C
(A3)
0.08 C
NOTE 4
NOTE 5 A1
SIDE VIEW
A
C
SEATING
PLANE
DETAIL B
ALTERNATE
CONSTRUCTION
NOTES:
1. DIMENSIONS AND TOLERANCING PER
ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. DIMENSION b APPLIES TO PLATED
TERMINAL AND IS MEASURED BETWEEN
0.25 AND 0.30 MM FROM THE TERMINAL TIP.
4. COPLANARITY APPLIES TO THE EXPOSED
PAD AS WELL AS THE TERMINALS.
5. OPTIONAL FEATURES.
MILLIMETERS
DIM MIN MAX
A 0.80 1.00
A1 −−− 0.05
A3 0.20 REF
b 0.25 0.35
D 5.00 BSC
D2 3.05 3.25
E 5.00 BSC
E2 3.05 3.25
e 0.65 BSC
L 0.45 0.65
L1 −−− 0.15
DETAIL A
D2
6
1
0.10 M C A B
20X L
0.10 M C A B
11
E2
16
20X b
e 0.10 M C A B
BOTTOM VIEW
0.05 M C NOTE 3
RECOMMENDED
SOLDERING FOOTPRINT*
5.30
3.30
20X
0.78
3.30 5.30
PACKAGE
OUTLINE
0.65
PITCH
20X
0.40
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks,
copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. SCILLC
reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any
particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without
limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications
and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC
does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for
surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where
personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and
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any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture
of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT:
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Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada
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Europe, Middle East and Africa Technical Support:
Phone: 421 33 790 2910
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Order Literature: http://www.onsemi.com/orderlit
For additional information, please contact your local
Sales Representative
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11
NCP59748/D
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet NCP59748.PDF ] | |
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