參數(shù)資料
型號： 01F2160
英文描述： IC-VOLTAGE REG +3V
中文描述： 集成電路3V的電壓退訂
文件頁數(shù)： 11/16頁
文件大?。?/td> 342K
代理商： 01F2160
LP2950
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (continued) (Vin = VO + 1.0 V, IO = 100 A, CO = 1.0 F, 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 A 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 A
–
30
80
IO = 100 mA
–
350
450
Supply Bias Current
ICC
IO = 100 A
–
93
120
A
IO = 100 mA
–
4.0
12
mA
Dropout Supply Bias Current (Vin = VO(nom) – 0.5 V,
IO = 100 A) [Note 2]
ICCdropout
–
110
170
A
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
Vrms
CL = 1.0 F
–
126
–
CL = 100 F
–
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 A 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
A
Output Low Voltage (Vin = 4.5 V, IOL = 400 A)
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
A
Vshtdn = 2.4 V
–
35
50
Vshtdn = 30 V
–
450
600
Regulator Output Current in Shutdown Mode
Ioff
–
3.0
10
A
(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
F capacitor connected across Pins 7 and 1.
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