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LP2950 데이터시트(PDF) 4 Page - ON Semiconductor

부품명 LP2950
상세설명  Micropower Voltage Regulators
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제조업체  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

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ELECTRICAL CHARACTERISTICS (continued) (Vin = VO + 1.0 V, IO = 100 µA, CO = 1.0 µF, TJ = 25°C [Note 1], unless
otherwise noted.)
Characteristic
Unit
Max
Typ
Min
Symbol
Line Regulation (Vin = VO(nom) +1.0 V to 30 V) [Note 2]
Regline
%
LP2950C–XX/LP2951C/LP2951C–XX
0.08
0.20
LP2950AC–XX/LP2951AC/LP2951AC–XX
0.04
0.10
Load Regulation (IO = 100 µA to 100 mA)
Regload
%
LP2950C–XX/LP2951C/LP2951C–XX
0.13
0.20
LP2950AC–XX/LP2951AC/LP2951AC–XX
0.05
0.10
Dropout Voltage
VI – VO
mV
IO = 100 µA
30
80
IO = 100 mA
350
450
Supply Bias Current
ICC
IO = 100 µA
93
120
µA
IO = 100 mA
4.0
12
mA
Dropout Supply Bias Current (Vin = VO(nom) – 0.5 V,
IO = 100 µA) [Note 2]
ICCdropout
110
170
µA
Current Limit (VO Shorted to Ground)
ILimit
220
300
mA
Thermal Regulation
Regthermal
0.05
0.20
%/W
Output Noise Voltage (10 Hz to 100 kHz) [Note 3]
Vn
µVrms
CL = 1.0 µF
126
CL = 100 µF
56
LP2951A/LP2951AC ONLY
Reference Voltage (TJ = 25°C)
Vref
V
LP2951C/LP2951C–XX
1.210
1.235
1.260
LP2951AC/LP2951AC–XX
1.220
1.235
1.250
Reference Voltage (TJ = – 40 to +125°C)
Vref
V
LP2951C/LP2951C–XX
1.200
1.270
LP2951AC/LP2951AC–XX
1.200
1.260
Reference Voltage (TJ = – 40 to +125°C)
Vref
V
IO = 100 µA to 100 mA, Vin = 23 to 30 V
LP2951C/LP2951C–XX
1.185
1.285
LP2951AC/LP2951AC–XX
1.190
1.270
Feedback Pin Bias Current
IFB
15
40
nA
ERROR COMPARATOR
Output Leakage Current (VOH = 30 V)
Ilkg
0.01
1.0
µA
Output Low Voltage (Vin = 4.5 V, IOL = 400 µA)
VOL
150
250
mV
Upper Threshold Voltage (Vin = 6.0 V)
Vthu
40
45
mV
Lower Threshold Voltage (Vin = 6.0 V)
Vthl
60
95
mV
Hysteresis (Vin = 6.0 V)
Vhy
15
mV
SHUTDOWN INPUT
Input Logic Voltage
Vshtdn
V
Logic “0” (Regulator “On”)
0
0.7
Logic “1” (Regulator “Off”)
2.0
30
Shutdown Pin Input Current
Ishtdn
µA
Vshtdn = 2.4 V
35
50
Vshtdn = 30 V
450
600
Regulator Output Current in Shutdown Mode
Ioff
3.0
10
µA
(Vin = 30 V, Vshtdn = 2.0 V, VO = 0, Pin 6 Connected to Pin 7)
NOTES: 1. Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
2. VO(nom) is the part number voltage option.
3. Noise tests on the LP2951 are made with a 0.01
µF capacitor connected across Pins 7 and 1.


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