参数资料
型号: SC900AMLTRT
厂商: Semtech
文件页数: 3/23页
文件大小: 0K
描述: IC REG LDO ADJ .2A/.15A 20-MLPQ
标准包装: 1
稳压器拓扑结构: 正,可调式
输出电压: 1.45 V ~ 3 V,1.75 V ~ 3.3 V
输入电压: 2.7 V ~ 5.5 V
电压 - 压降(标准): 0.2V @ 200mA,0.15V @ 150mA
稳压器数量: 5
电流 - 输出: 200mA(最小),150mA(最小),150mA(最小),150mA(最小),150mA(最小)
电流 - 限制(最小): 250mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-MLPQ(4x4)
包装: 剪切带 (CT)
产品目录页面: 1358 (CN2011-ZH PDF)
其它名称: SC900AMLCT
SC900A
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
LDO Regulators
Quiescent Supply Current
Quiescent Supply Current
at Start-Up
Current Limit
Bypass Capacitor
I Q
I QSUP
I LIM
C BYP
All LDOs active in
default states
LDO A, B, C active in default states
V OUT + 0.5V < V IN < 5.5V
Ceramic, low ESR
250
2.2
190
125
410
360
650
μ A
μ A
mA
μ F
LDO Regulator A (Core Supply)
Output Voltage Accuracy
Output Voltage Accuracy at
2.80V (DAC = 11011)
Output Voltage Accuracy at
1.80V (DAC = 00011)
Output Voltage Accuracy at
2.80V (DAC = 11011)
Maximum Output Current
Default Setting: ON
VOA A
VOAS A
IOMAX A
VO A-HI
VO A-LO
1.45V ≤ V OUT ≤ 3.00V
V OUT + 0.2V ≤ V IN ≤ 5.5V
I OUT = 1mA, T A = 25°C
I OUT = 1mA
I OUT = 1mA, T A = 25°C
V OUT + 0.5V ≤ V IN ≤ 5.5V,
I OUT = 200mA
VASEL - High
VASEL - Low
-3
-2
-3
-3.5
200
2.80
1.80
+3
+2
+3
+3.5
%
%
%
%
mA
V
V
Line Regulation at 1.8V, 2.8V
Load Regulation at 1.8V, 2.8V
Dropout Voltage
Power Supply Rejection Ratio
Output Voltage Noise (2)
LINEREG A
LOADREG A
V DA
PSRR A
e n-A
I OUT = 1mA, V OUT + 0.2V < V IN < 5.5V
1mA < I OUT <200mA
V OUT = 3.0V, I OUT = 200mA
f = 10Hz - 1kHz, C BYP = 0.1 μ F,
I OUT = 50mA,
2.5V ≤ V OUT ≤ 3.0V
f = 10Hz - 100kHz, I OUT = 50mA,
C VREF = 0.1 μ F, C OUT = 2.2 μ F,
2.5V ≤ V OUT ≤ 3.0V
2.5
-3
200
60
45
12
-20
250
mV
mV
mV
dB
μ V RMS
LDO Regulator B (DIGITAL I/O SUPPLY)
Output Voltage Accuracy
Output Voltage Accuracy at
2.80V (DAC = 11011)
Maximum Output Current
VOA B
VOAS B
IOMAX B
1.45V ≤ V OUT ≤ 3.00V
V OUT + 0.15V ≤ V IN ≤ 5.5V
I OUT = 1mA, T A = 25°C
I OUT = 1mA
V OUT + 0.5V ≤ V IN ≤ 5.5V,
I OUT = 150mA
-3
-2
-3.5
150
+3
+2
+3.5
%
%
%
mA
? 2005 Semtech Corp.
3
www.semtech.com
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