參數(shù)資料
型號: NCP500SQL18T1G
廠商: ON SEMICONDUCTOR
元件分類: 基準電壓源/電流源
英文描述: 150 mA CMOS Low Noise Low−Dropout Voltage Regulator
中文描述: 1.8 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PDSO6
封裝: 2 X 2.2 MM, LEAD FREE, DFN-6
文件頁數(shù): 15/20頁
文件大?。?/td> 153K
代理商: NCP500SQL18T1G
NCP500
http://onsemi.com
15
Figure 27. Typical Application Circuit
V
out
Battery or
Unregulated
Voltage
C1
C2
OFF
ON
1
2
3
5
4
+
+
Figure 28. Typical Application Circuit
V
out
Battery or
Unregulated
Voltage
+
C1
OFF
ON
1
3
2
4
5
6
+
C2
Output
R
1
2
3
5
4
Input
1.0 F
1.0 F
Output
1
2
3
5
4
Input
1.0 F
1.0 F
Q2
Q1
R3
R1
R2
The NCP500 series can be current boosted with a PNP transis-
tor. Resistor R in conjunction with V
BE
of the PNP determines
when the pass transistor begins conducting; this circuit is not
short circuit proof. Input/Output differential voltage minimum is
increased by V
BE
of the pass resistor.
Short circuit current limit is essentially set by the V
BE
of Q2 and
R1. I
SC
= ((V
BEQ2
ib * R2) / R1) + I
O(max) Regulator
Q1
0
10
1
75
50
25
0.1
0.01
100
125
150
I
O,
Output Current (mA)
O
C
out
= 1
F to 10 F
T
A
= 40
°
C to 125
°
C
V
in
= up to 6.0 V
UNSTABLE
STABLE
Figure 29. Stability
Figure 30. Current Boost Regulator
Figure 31. Current Boost Regulator with Short
Circuit Limit
相關PDF資料
PDF描述
NCP500SQL25T1G 150 mA CMOS Low Noise Low−Dropout Voltage Regulator
NCP500SQL27T1G 150 mA CMOS Low Noise Low−Dropout Voltage Regulator
NCP500SQL28T1G 150 mA CMOS Low Noise Low−Dropout Voltage Regulator
NCP500SQL30T1G 150 mA CMOS Low Noise Low−Dropout Voltage Regulator
NCP500SQL33T1G 150 mA CMOS Low Noise Low−Dropout Voltage Regulator
相關代理商/技術(shù)參數(shù)
參數(shù)描述
NCP500SQL25T1 功能描述:低壓差穩(wěn)壓器 - LDO 2.5V 150mA CMOS 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 回動電壓(最大值):307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
NCP500SQL25T1G 功能描述:低壓差穩(wěn)壓器 - LDO 2.5V 150mA CMOS w/Enable 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 回動電壓(最大值):307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
NCP500SQL27T1 功能描述:低壓差穩(wěn)壓器 - LDO 2.7V 150mA CMOS 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 回動電壓(最大值):307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
NCP500SQL27T1G 功能描述:低壓差穩(wěn)壓器 - LDO 2.7V 150mA CMOS w/Enable 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 回動電壓(最大值):307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
NCP500SQL28T1 功能描述:低壓差穩(wěn)壓器 - LDO 2.8V 150mA CMOS 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 回動電壓(最大值):307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20