参数资料
型号: NCP4589DSN25T1G
厂商: ON Semiconductor
文件页数: 3/30页
文件大小: 0K
描述: IC REG LDO 2.5V .3A SOT23
标准包装: 3,000
稳压器拓扑结构: 正,固定式
输出电压: 2.5V
输入电压: 最高 5.25V
电压 - 压降(标准): 0.34V @ 300mA
稳压器数量: 1
电流 - 输出: 300mA(最小)
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SC-74A,SOT-753
供应商设备封装: SOT-23-5
包装: 带卷 (TR)
NCP4589
THERMAL CHARACTERISTICS
Rating
Thermal Characteristics, XDFN
Thermal Resistance, Junction ? to ? Air
Thermal Characteristics, SOT23
Thermal Resistance, Junction ? to ? Air
Thermal Characteristics, SC ? 70
Thermal Resistance, Junction ? to ? Air
Symbol
R q JA
R q JA
R q JA
Value
250
238
263
Unit
° C/W
° C/W
° C/W
ELECTRICAL CHARACTERISTICS
? 40 ° C ≤ T A ≤ 85 ° C; V IN = V OUT(NOM) + 1 V; I OUT = 1 mA; C IN = C OUT = 1 m F; unless otherwise noted. Typical values are at T A = +25 ° C.
Parameter
Operating Input Voltage
Test Conditions
(Note NO TAG)
Symbol
V IN
Min
1.4
Typ
Max
5.25
Unit
V
Output Voltage (Fast Mode)
T A = +25 ° C,
I OUT = 5 mA
? 40 ° C ≤ T A ≤ 85 ° C,
I OUT = 5 mA
V OUT > 2 V
V OUT ≤ 2 V
V OUT > 2 V
V OUT ≤ 2 V
V OUT
x0.99
? 20
x0.975
? 50
x1.01
20
x1.015
30
V
mV
V
mV
Output Voltage Temp.
Coefficient
T A = ? 40 to 85 ° C
± 50
ppm/ ° C
Line Regulation
V IN = V OUT + 0.5 V to
5V
V IN ≥ 1.4 V
I OUT = 1 mA,
(Low Power Mode)
I OUT = 10 mA,
Line Reg
0.02
0.50
0.20
%/V
(Fast Mode)
Load Regulation
I OUT = 1 mA to 10 mA
V OUT > 2.0 V
Line Reg
? 1.0
1.0
%
V OUT ≤ 2.0 V
I OUT = 10 mA to 300 mA
? 20
35
20
80
mV
mV
Dropout Voltage
I OUT = 300 mA
0.8 V ≤ V OUT < 0.9 V
V DO
0.62
0.85
V
0.9 V ≤ V OUT < 1.0 V
1.0 V ≤ V OUT < 1.5 V
1.5 V ≤ V OUT < 2.6 V
2.6 V ≤ V OUT < 4.0 V
0.55
0.48
0.34
0.23
0.78
0.70
0.50
0.35
Output Current
I OUT
300
mA
Short Current Limit
V OUT = 0 V
I SC
50
mA
Quiescent Current
I OUT = 0 mA, Low
Power Mode (Note 3)
V OUT ≤ 1.85 V
V OUT > 1.85 V
I Q
1.0
1.5
4.0
4.0
m A
Supply Current
I OUT = 10 mA, Fast Mode
I GND
55
m A
Standby Current
Fast Mode Switch ? Over Current
V CE = 0 V, T A = 25 ° C
I OUT = light to heavy load
I STB
I OUTH
0.1
1
8.0
m A
mA
Low Power Switch ? Over
Current
CE Pin Threshold Voltage
I OUT = heavy to light load
CE Input Voltage “H”
I OUTL
V CEH
1.0
1.0
2.0
mA
V
CE Input Voltage “L”
V CEL
0.4
CE Pull Down Current
I CEPD
0.1
m A
AE Pin Threshold Voltage
AE Input Voltage “H”
AE Input Voltage “L”
V AEH
V AEL
1.0
0.4
V
3. The value of supply current is excluding the Pull ? down constant current of CE and AE Pin
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NCP4589DSQ25T1G 功能描述:低压差稳压器 - LDO 300 MA, 3-MODE LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20