參數(shù)資料
型號： LP2950ACZ-3.0G
廠商： ON SEMICONDUCTOR
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 100 mA, Low Power Low Dropout Voltage Regulator
中文描述： 3 V FIXED POSITIVE LDO REGULATOR, 0.45 V DROPOUT, PBCY3
封裝： LEAD FREE, PLASTIC, TO-92, 3 PIN
文件頁數(shù)： 5/24頁
文件大?。?/td> 204K
代理商： LP2950ACZ-3.0G
LP2950, LP2951, NCV2951
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS (continued)
(V
in
= V
O
+ 1.0 V, I
O
= 100 A, C
O
= 1.0 F, T
A
= 25
°
C [Note 8],
unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Line Regulation (V
in
= V
O(nom)
+1.0 V to 30 V) (Note 9)
LP2950CXX/LP2951C/LP2951CXX/NCV2951C*
LP2950ACXX/LP2951AC/LP2951ACXX/NCV2951AC*
Load Regulation (I
O
= 100 A to 100 mA)
LP2950CXX/LP2951C/LP2951CXX/NCV2951C*
LP2950ACXX/LP2951AC/LP2951ACXX/NCV2951AC*
Dropout Voltage
I
O
= 100 A
I
O
= 100 mA
Supply Bias Current
I
O
= 100 A
I
O
= 100 mA
Dropout Supply Bias Current (V
in
= V
O(nom)
0.5 V,
I
O
= 100 A) (Note 9)
Current Limit (V
O
Shorted to Ground)
Reg
line
%
0.08
0.04
0.20
0.10
Reg
load
%
0.13
0.05
0.20
0.10
V
I
V
O
mV
30
350
80
450
I
CC
93
4.0
110
120
12
170
A
mA
A
I
CCdropout
I
Limit
220
300
mA
Thermal Regulation
Reg
thermal
0.05
0.20
%/W
Output Noise Voltage (10 Hz to 100 kHz) (Note 10)
C
L
= 1.0 F
C
L
= 100 F
LP2951A/LP2951AC Only
Reference Voltage (T
A
= 25
°
C)
LP2951C/LP2951CXX/NCV2951C*
LP2951AC/LP2951ACXX/NCV2951AC*
Reference Voltage (T
A
= 40 to +125
°
C)
LP2951C/LP2951CXX/NCV2951C*
LP2951AC/LP2951ACXX/NCV2951AC*
Reference Voltage (T
A
= 40 to +125
°
C)
I
O
= 100 A to 100 mA, V
in
= 23 to 30 V
LP2951C/LP2951CXX/NCV2951C*
LP2951AC/LP2951ACXX/NCV2951AC*
V
n
Vrms
126
56
V
ref
V
1.210
1.220
1.235
1.235
1.260
1.250
V
ref
V
1.200
1.200
1.270
1.260
V
ref
V
1.185
1.190
1.285
1.270
Feedback Pin Bias Current
I
FB
15
40
nA
Error Comparator
Output Leakage Current (V
OH
= 30 V)
I
lkg
0.01
1.0
A
Output Low Voltage (V
in
= 4.5 V, I
OL
= 400 A)
V
OL
150
250
mV
Upper Threshold Voltage (V
in
= 6.0 V)
V
thu
40
45
mV
Lower Threshold Voltage (V
in
= 6.0 V)
V
thl
60
95
mV
Hysteresis (V
in
= 6.0 V)
V
hy
15
mV
Shutdown Input
Input Logic Voltage
Logic “0” (Regulator “On”)
Logic “1” (Regulator “Off”)
Shutdown Pin Input Current
V
shtdn
= 2.4 V
V
shtdn
= 30 V
Regulator Output Current in Shutdown Mode
(V
in
= 30 V, V
shtdn
= 2.0 V, V
O
= 0, Pin 6 Connected to Pin 7)
6. The JunctiontoAmbient 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. V
O(nom)
is the part number voltage option.
10.Noise tests on the LP2951 are made with a 0.01 F capacitor connected across Pins 7 and 1.
*NCV prefix is for automotive and other applications requiring site and change control.
V
shtdn
V
0
0.7
30
2.0
I
shtdn
A
35
450
3.0
50
600
10
I
off
A
相關(guān)PDF資料
PDF描述
LP2950CN-33 100mA LOW DROPOUT VOLTAGE REGULATOR
LP2950AT-3.0 100 mA Low Dropout Voltage Regulators
LP2950CT-3.0 100 mA Low Dropout Voltage Regulators
LP2950AS 100 mA Low Dropout Voltage Regulators
LP2950AT 100 mA Low Dropout Voltage Regulators
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP2950ACZ5.0 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator
LP2950ACZ-5.0 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
LP2950ACZ-5.0 制造商:Texas Instruments 功能描述:IC V REG LDO +5.0V 2950 TO-92-3
LP2950ACZ-5.0/LFT1 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
LP2950ACZ-5.0/LFT2 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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