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부품번호 | NCV8669 기능 |
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기능 | 150mA LDO Regulator | ||
제조업체 | ON Semiconductor | ||
로고 | |||
전체 14 페이지수
NCV8669
Very Low Iq 150 mA LDO
Regulator with Reset and
Early Warning
The NCV8669 is 150 mA LDO regulator with integrated reset and
early warning functions dedicated for microprocessor applications. Its
robustness allows NCV8669 to be used in severe automotive
environments. The NCV8669 utilizes precise 1 MW internal resistor
divider for Early Warning function which significantly reduces overall
application quiescent current and number of external components.
Very low quiescent current as low as 42 mA typical for NCV8669
makes it suitable for applications permanently connected to battery
requiring very low quiescent current with or without load. The
NCV8669 contains protection functions as current limit and thermal
shutdown.
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14
1
SO−14
D SUFFIX
CASE 751A
MARKING
DIAGRAM
14
V8669yzxxG
AWLYWW
1
Features
• Output Voltage Options: 5 V
• Output Voltage Accuracy: ±2 %
• Output Current up to 150 mA
• Very Low Quiescent Current: Typ 42 mA (Including Internal Early
Warning Resistor Divider Current)
• Very Low Dropout Voltage
• Early Warning Threshold Accuracy: $10% Over Temperature
y = Timing and Reset Threshold Option*
z = Early Warning Option*
xx = Voltage Option
5.0 V (xx = 50)
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
G = Pb−Free Package
*See APPLICATION INFORMATION section.
Range (Using RSI_ext External Resistor with $1% 100 ppm/°C)
• Microprocessor Compatible Control Functions:
♦ Reset with Adjustable Power−on Delay
♦ Early Warning
ORDERING INFORMATION
See detailed ordering and shipping information in the
dimensions section on page 13 of this data sheet.
• Wide input voltage operation range: up to 40 V
• Protection Features:
♦ Current Limitation
♦ Thermal Shutdown
Typical Applications
• Body Control Module
• Instruments and Clusters
• These are Pb−Free Devices
• Occupant Protection and Comfort
• Powertrain
VBAT
Cin
0.1 mF
*
RSI_ext
*RSI_ext is optional
** z is 1, 2, 3, ... , n
Vout
Vin Vout
VDD
Cout
SI 2.2 mF
NCV8669yz**
DT
SO
RO
Microprocessor
I/O
RESET
GND
Figure 1. Application Circuit
© Semiconductor Components Industries, LLC, 2011
July, 2011 − Rev. 1
1
Publication Order Number:
NCV8669/D
NCV8669
OPERATING RANGES (Note 7)
Rating
Symbol
Min
Input Voltage (Note 7)
Vin 5.5
Junction Temperature
TJ −40
7. Refer to ELECTRICAL CHARACTERISTIS and APPLICATION INFORMATION for Safe Operating Area.
8. Minimum Vin = 5.5 V or (Vout + VDO), whichever is higher.
Max
40
150
Unit
V
°C
ELECTRICAL CHARACTERISTICS Vin = 13.2 V, VDT = GND, RSI_ext not used, Cin = 0.1 mF, Cout = 2.2 mF, for typical values TJ =
25°C, for min/max values TJ = −40°C to 150°C; unless otherwise noted. (Notes 9 and 10)
Parameter
Test Conditions
Symbol Min Typ Max Unit
REGULATOR OUTPUT
Output Voltage (Accuracy %)
Vin = 5.6 V to 40 V, Iout = 0.1 mA to 100 mA
Vin = 5.8 V to 16 V, Iout = 0.1 mA to 150 mA
Vout
V
4.9 5.0 5.1
4.9 5.0 5.1
(−2%)
(+2%)
Output Voltage (Accuracy %)
TJ = −40 °C to 125 °C
Vin = 5.8 V to 28 V, Iout = 0 mA to 150 mA
Vout
V
4.9 5.0 5.1
(−2%)
(+2%)
Line Regulation
Load Regulation
Dropout Voltage (Note 11)
Output Capacitor for Stability (Note 12)
Vin = 6 V to 28 V, Iout = 5 mA
Iout = 0.1 mA to 150 mA
Iout = 100 mA
Iout = 150 mA
Iout = 0 mA to 150 mA
Regline −20
0
20 mV
Regload −40
10
40
mV
VDO
mV
− 225 450
− 300 600
Cout 2.2 − 100 mF
ESR 0.01 − 100 W
QUIESCENT CURRENT
Quiescent Current, Iq = Iin − Iout (Note 13)
CURRENT LIMIT PROTECTION
Iout = 0.1 mA, TJ = 25°C
Iout = 0.1 mA to 150 mA, TJ ≤ 125°C
Iq mA
− 42 49
− 50
Current Limit
Short Circuit Current Limit
PSRR
Vout = 0.96 x Vout_nom
Vout = 0 V
ILIM 205 − 525 mA
ISC 205 − 525 mA
Power Supply Ripple Rejection (Note 12) f = 100 Hz, 0.5 Vpp
DT (Reset Delay Time Select)
PSRR
−
60
−
dB
DT Threshold Voltage
Logic Low
Logic High
Vth(DT)
−
2
V
− 0.8
−−
DT Input Current
RESET OUTPUT RO
VDT = 5 V
IDT − − 1 mA
Output Voltage Reset Threshold (Note 14) Vout decreasing
Vin > 5.5 V
Reset Hysteresis
Maximum Reset Sink Current
Vout = 4.5 V, VRO = 0.25 V
VRT
VRH
IROmax
90
−
1.75
93
2.0
−
%Vout
96
− %Vout
mA
−
9. Refer to ABSOLUTE MAXIMUM RATINGS and APPLICATION INFORMATION for Safe Operating Area.
10. Performance guaranteed over the indicated operating temperature range by design and/or characterization tested at TA [TJ. Low duty
cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
11. Measured when output voltage falls 100 mV below the regulated voltage at Vin = 13.2 V.
12. Values based on design and/or characterization.
13. Iq for Preset EW Threshold Options is measured when RSI_ext is not used. For typical values of Iq vs RSI_ext see Figure 23.
14. See APPLICATION INFORMATION section for Reset Thresholds and Reset Delay Time Options
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4페이지 NCV8669
TYPICAL CHARACTERISTICS
500
400 Iout = 150 mA
300
Iout = 100 mA
200
100
0
−40 −20 0 20 40 60 80 100 120 140 160
TJ, JUNCTION TEMPERATURE (°C)
Figure 10. Dropout vs. Temperature
400
Vin = 13.2 V
350
ISC @ Vout = 0 V
300
ILIM @ Vout = 4.8 V
250
400
ISC @ Vout = 0 V
TJ = 25°C
300
ILIM @ Vout = 4.8 V
200
100
0
0
100
10
5 10 15 20 25 30 35
Vin, INPUT VOLTAGE (V)
Figure 11. Output Current Limit vs. Input
Voltage
40
Vin = 13.2 V
TJ = −40°C to 150°C
Cout = 2.2 mF − 100 mF
1 STABLE REGION
0.1
200
−40 −20 0 20 40 60 80 100 120 140 160
TJ, JUNCTION TEMPERATURE (°C)
Figure 12. Output Current Limit vs. Temperature
0.01
0
50 100
150 200 250 300 350
Iout, OUTPUT CURRENT (mA)
Figure 13. Cout ESR Stability vs. Output Current
Vin
(1 V/div)
Vout
(50 mV/div)
14.2 V
13 V
5.09 V
TJ = 25°C
I Iout = 1 mA
Cout = 10 mF
trise/fall = 1 ms (Vin)
12.2 V
Iout
(100 mA/div)
5V
4.97 V
TIME (100 ms/div)
Figure 14. Line Transients
Vout
(200 mV/div)
150 mA
5V
4.77 V
TJ = 25°C
Vin = 13.2 V
Cout = 10 mF
trise/fall = 1 ms (Iout)
0.1 mA
5.16 V
TIME (20 ms/div)
Figure 15. Load Transients
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |