参数资料
型号: SC900AMLTRT
厂商: Semtech
文件页数: 5/23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 Regulator D (Cont.)
Maximum Output Current
Default Setting: OFF
IOMAX D
VO D
150
3.10
mA
V
Line Regulation at 3.10V
Load Regulation at 3.10V
Dropout Voltage
Power Supply Rejection Ratio
Output Voltage Noise (2)
LINEREG D
LOADREG D
V DD
PSRR D
e n-D
I OUT = 1mA, V OUT + 0.15V < V IN < 5.5V
1mA < I OUT <150mA
V OUT = 3.3V, I OUT = 150mA
f = 10Hz - 1kHz, C BYP = 0.1mF,
I OUT = 50mA,
2.5V ≤ V OUT ≤ 3.3V
f = 10Hz - 100kHz, I OUT = 50mA,
C VREF = 0.1 μ F, C OUT = 2.2 μ F,
2.5V ≤ V OUT ≤ 3.3V
2.5
-3
150
60
55
12
-20
190
mV
mV
mV
dB
μ V RMS
LDO Regulator E
Output Voltage Accuracy
Output Voltage Accuracy at
3.10V (DAC = 10111)
Maximum Output Current
Default Setting: OFF
Line Regulation at 3.10V
Load Regulation at 3.10V
Dropout Voltage
Power Supply Rejection Ratio
Output Voltage Noise (2)
VOA E
VOAS E
IOMAX E
VO E
LINEREG E
LOADREG E
V DE
PSRR E
e n-E
1.75V ≤ V OUT ≤ 3.30V
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
I OUT = 1mA, V OUT + 0.15V < V IN < 5.5V
1mA < I OUT = 150mA
V OUT = 3.3V, I OUT = 150mA
f = 10Hz - 1kHz, C BYP = 0.1 μ F,
I OUT = 50mA,
2.5V ≤ V OUT ≤ 3.3V
f = 10Hz - 100kHz, I OUT = 50mA,
C VREF = 0.1 μ F, C OUT = 2.2 μ F,
2.5V ≤ V OUT ≤ 3.3V
-3
-2
-3.5
150
3.10
2.5
-3
150
60
55
+3
+2
+3.5
12
-20
190
%
%
%
mA
V
mV
mV
mV
dB
μ V RMS
A RESET
Reset Threshold
RESET THLD
77
%
Reset Active Timeout Delay
t RD
Delay in default state
75
100
125
ms
LDO POWER GOOD
PGOOD Threshold
PGOOD THLD
77
%
PGOOD Active Timeout Delay
t PG
Delay in default state
75
100
125
ms
Notes:
1) Digital outputs are powered from LDOB, so LDOB must be active for operation of LDOPGD and ARST.
2) Below 2.5V: becomes digital regulator.
? 2005 Semtech Corp.
5
www.semtech.com
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