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LP2951ACDM-33R2 Datasheet(PDF) 5 Page - ON Semiconductor

Part # LP2951ACDM-33R2
Description  100 mA, Low Power Low Dropout Voltage Regulator
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LP2951ACDM-33R2 Datasheet(HTML) 5 Page - ON Semiconductor

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LP2950, LP2951, NCV2951
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS (continued)
(Vin = VO + 1.0 V, IO = 100 mA, CO = 1.0 mF, TA = 25C [Note 8], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Line Regulation (Vin = VO(nom) +1.0 V to 30 V) (Note 9)
Regline
%
LP2950C−XX/LP2951C/LP2951C−XX/NCV2951C*
0.08
0.20
LP2950AC−XX/LP2951AC/LP2951AC−XX/NCV2951AC*
0.04
0.10
Load Regulation (IO = 100 mA to 100 mA)
Regload
%
LP2950C−XX/LP2951C/LP2951C−XX/NCV2951C*
0.13
0.20
LP2950AC−XX/LP2951AC/LP2951AC−XX/NCV2951AC*
0.05
0.10
Dropout Voltage
VI − VO
mV
IO = 100 mA
30
80
IO = 100 mA
350
450
Supply Bias Current
ICC
IO = 100 mA
93
120
mA
IO = 100 mA
4.0
12
mA
Dropout Supply Bias Current (Vin = VO(nom) − 0.5 V,
IO = 100 mA) (Note 9)
ICCdropout
110
170
mA
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 10)
Vn
mVrms
CL = 1.0 mF
126
CL = 100 mF
56
LP2951A/LP2951AC Only
Reference Voltage (TA = 25C)
Vref
V
LP2951C/LP2951C−XX/NCV2951C*
1.210
1.235
1.260
LP2951AC/LP2951AC−XX/NCV2951AC*
1.220
1.235
1.250
Reference Voltage (TA = −40 to +125C)
Vref
V
LP2951C/LP2951C−XX/NCV2951C*
1.200
1.270
LP2951AC/LP2951AC−XX/NCV2951AC*
1.200
1.260
Reference Voltage (TA = −40 to +125C)
Vref
V
IO = 100 mA to 100 mA, Vin = 23 to 30 V
LP2951C/LP2951C−XX/NCV2951C*
1.185
1.285
LP2951AC/LP2951AC−XX/NCV2951AC*
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
mA
Output Low Voltage (Vin = 4.5 V, IOL = 400 mA)
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
mA
Vshtdn = 2.4 V
35
50
Vshtdn = 30 V
450
600
Regulator Output Current in Shutdown Mode
Ioff
3.0
10
mA
(Vin = 30 V, Vshtdn = 2.0 V, VO = 0, Pin 6 Connected to Pin 7)
6. The Junction−to−Ambient Thermal Resistance is determined by PCB copper area per Figure 29.
7. ESD data available upon request.
8. Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
9. VO(nom) is the part number voltage option.
10.Noise tests on the LP2951 are made with a 0.01 mF capacitor connected across Pins 7 and 1.
*NCV prefix is for automotive and other applications requiring site and change control.


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