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부품번호 | NCP5666 기능 |
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기능 | 3.0 A / Low Dropout Linear Regulator | ||
제조업체 | ON Semiconductor | ||
로고 | |||
전체 9 페이지수
NCP5666
3.0 A, Low Dropout Linear
Regulator with Enable
The NCP5666 is a high performance, low dropout linear regulator
designed for high power applications that require up to 3.0 A current
with Enable. A thermally robust, 5 pin D2PAK, combined with an
architecture that offers low ground current (independent of load),
provides for a superior high-current LDO solution.
Features
•ă±1% Output Voltage Accuracy
•ăUltra-Fast Transient Response (Settling Time: 1-3 ms)
•ăLow Noise Without Bypass Capacitor (57 mVrms)
•ăLow Ground Current Independent of Load (3.0 mA Maximum)
•ăEnable Function
•ăCurrent Limit Protection
•ăThermal Protection
•ăPower Supply Rejection Ratio > 65 dB
•ăStable with Aluminum, Tantalum and Ceramic Capacitors
•ăPin Compatible with Semtech Device
•ăThis is a Pb-Free Device
Applications
•ăServers
•ăASIC Power Supplies
•ăPost Regulation for Power Supplies
•ăConstant Current Source
•ăNetworking Equipment
•ăGaming and STB Modules
Vin
Cin*
Vin Vout
NCP5666
Vout
Cout**
Enable
EN GND
OFF ON
* Cin - 4.7 mF to 220 mF recommended
**Cout - 2.2 mF to 220 mF recommended
www.DataSSheeeetm4Uor.ecodmetails in the Application Information section
Figure 1. Typical Application Circuit
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MARKING
DIAGRAM
1
5
D2PAK
CASE 936A
NC
5666DSxx
AWLYWWG
xx = Voltage Option
= 25 = 2.5 V
= 50 = 5.0 V
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
G = Pb-Free
Tab = GND
Pin 1. Vin
2. EN
3. GND
4. NC
5. Vout
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
©Ă Semiconductor Components Industries, LLC, 2007
October, 2007 - Rev. 1
1
Publication Order Number:
NCP5666/D
NCP5666
ELECTRICAL CHARACTERISTICS (Vin = Vout(nom) + 1.5 V, VEN = Vin, for typical values TA = 25°C, for min/max values TA = -40°C
to 85°C, Cin = 100 mF, Cout = 33 mF, unless otherwise noted. (Note 4))
Characteristic
Symbol Min Typ Max
Unit
Output Voltage (Note 6)
2.5 V Regulator
TA = 25°C (Vin = 4.0 V to 7.0 V, Iout = 10 mA to 3.0 A)
TA = -20 to +125°C (Vin = 4.0 V to 7.0 V, Iout = 10 mA to 3.0 A)
TA = -40 to +150°C (Vin = 4.0 V to 7.0 V, Iout = 10 mA to 3.0 A)
5.0 V Regulator
TA = 25°C (Vin = 6.5 V to 7.0 V, Iout = 10 mA to 3.0 A)
TA = -20 to +125°C (Vin = 6.5 V to 7.0 V, Iout = 10 mA to 3.0 A)
TA = -40 to +150°C (Vin = 6.5 V to 7.0 V, Iout = 10 mA to 3.0 A)
Vout
2.475
(-1%)
2.462
(-1.5%)
2.450
(-2%)
2.500
2.500
2.500
2.525
(+1%)
2.538
(+1.5%)
2.550
(+2%)
4.950
(-1%)
4.925
(-1.5%)
4.900
(-2%)
5.000
5.000
5.000
5.050
(+1%)
5.075
(+1.5%)
5.100
(+2%)
V
Line Regulation (Iout = 10 mA, Vout+1.5 V < Vin < 7.0 V) (Note 5)
Load Regulation (10 mA < Iout < 3.0 A) (Note 5)
Dropout Voltage (Iout = 3.0 A)
Peak Output Current Limit
Internal Current Limitation (Note 5)
Ripple Rejection (120 Hz) (Note 5)
Ripple Rejection (1 kHz) (Note 5)
REGline - 0.03 -
REGload
-
0.2
-
VDO
- 1.0 1.3
Iout 3.0 - -
Ilim - 4.5 -
RR - 70 -
- 65 -
%
%
V
A
A
dB
Output Noise Voltage
(Vout = 2.5 V, Iout = 10 mA, Cout = 1.0 mF, f = 10 Hz to 100 kHz) (Note 5)
Thermal Shutdown (Note 5)
Ground Current (Iout = 3.0 A)
2.5 V Regulator
5.0 V Regulator
Vn
TSHD
IGND
- 57 - mVrms
- 160 -
- 1.8 3.0
- 2.4 3.0
°C
mA
Disable Current
2.5 V Regulator
5.0 V Regulator
IDIS mA
- 50 300
- 10 300
Enable Input Threshold Voltage
Voltage Increasing, On state, Logic High
Voltage Decreasing, Off state, Logic Low
Ven
1.3 -
-
- - 0.3
V
Enable Input Current (Note 5)
Enable Pin Voltage = 0.3 Vmax
Enable Pin Voltage = 1.3 Vmin
Ien
- 0.5 -
- 0.5 -
mA
4. Performance guaranteed over specified operating conditions by design, guard banded test limits, and/or characterization, production tested at
TJ = TA = 25°C. Low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
5. Typical values are based on design and/or characterization.
6. Other fixed output voltages available at 0.9 V, 1.2 V, 1.5 V, 1.8 V, 3.0 V, 3.3 V per request.
www.DataSheet4U.com
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4
4페이지 NCP5666
TYPICAL CHARACTERISTICS
Cout = 150 mF
Iout = 10 mA to 3.0 A
TIME (1.0 ms/Div)
Figure 13. Load Transient Response
Cout = 150 mF
Iout = 10 mA to 3.0 A
TIME (100 ns/Div)
Figure 15. Load Transient Response
Cout = 150 mF
Iout = 3.0 A to 10 mA
TIME (1.0 ms/Div)
Figure 14. Load Transient Response
Cout = 150 mF
Iout = 3.0 A to 10 mA
TIME (100 ns/Div)
Figure 16. Load Transient Response
Cout = 10 mF
Iout = 10 mA to 3.0 A
Cout = 10 mF
Iout = 3.0 A to 10 mA
www.DataSheet4U.com
TIME (400 ns/Div)
Figure 17. Load Transient Response
TIME (10 ms/Div)
Figure 18. Load Transient Response
NOTE: Typical characteristics were measured with the same conditions as electrical characteristics, unless otherwise noted.
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7
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부품번호 | 상세설명 및 기능 | 제조사 |
NCP566 | Low Dropout Linear Regulator | ON Semiconductor |
NCP5661 | Ultra-Fast 1.0 A Low Dropout Linear Regulator | ON Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |