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SC653 数据表(PDF) 4 Page - Semtech Corporation

部件名 SC653
功能描述  Light Management Unit with 2 LDOs and SemPulse짰Interface
PDF  22 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC653 数据表(HTML) 4 Page - Semtech Corporation

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SC653
4
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Charge Pump Electrical Specifications (continued)
1x Mode to 1.5x Mode
Falling Transition Voltage
V
TRANS1x
I
OUT
= 40mA, I
BLn
= 10mA, V
OUT
= 3.2V
3.27
V
1.5x Mode to 1x Mode Hysteresis
V
HYST1x
I
OUT
= 40mA, I
BLn
= 10mA, V
OUT
= 3.2V
250
mV
1.5x Mode to 2x Mode
Falling Transition Voltage
V
TRANS1.5x
I
OUT
= 40mA, I
BLn
= 10mA, V
OUT
= 4.0V(5)
2.92
V
2x Mode to 1.5x Mode Hysteresis
V
HYST1.5x
I
OUT
= 40mA, I
BLn
= 10mA, V
OUT
= 4.0V(5)
300
mV
Current Sink Off-State
Leakage Current
I
BLn
V
IN
= V
BLn
= 4.2V
0.1
1
μA
Pump Frequency
f
PUMP
V
IN
= 3.2V
250
kHz
LDO Electrical Specifications
LDO1 Voltage Setting
V
LDO1
Range of nominal settings in 100mV increments
1.5
3.3
V
LDO2 Voltage Setting
V
LDO2
Range of nominal settings in 100mV increments
1.2
1.8
V
LDO1, LDO2 Output
Voltage Accuracy
ΔV
LDO
I
LDOn
= 1mA, T
A
= 25°C, 2.9V ≤ V
IN
≤ 4.2V
-3
+3
%
I
LDOn
= 1mA to 100mA, 2.9V ≤ V
IN
≤ 4.2V
-3.5
±3
+3.5
%
Line Regulation
ΔV
LINE
I
LDO1
= 1mA, V
OUT
= 2.8V
2.1
7.2
mV
I
LDO2
= 1mA, V
OUT
= 1.8V
1.3
4.8
Load Regulation
ΔV
LOAD
V
LDO1
= 3.3V, I
LDO1
= 1mA to 100 mA
25
mV
V
LDO2
= 1.8V, I
LDO2
= 1mA to 100 mA
20
Dropout Voltage(6)
V
D
I
LDO1
= 150mA
150
200
mV
Power Supply Rejection Ratio
PSRR
LDO1
1.5V < V
LDO1
< 3.0V, f < 1kHz, C
BYP
= 22nF,
I
LDO1
= 50mA with 0.5V
P-P
supply ripple
55
dB
PSRR
LDO2
1.2V < V
LDO2
, f < 1kHz, C
BYP
= 22nF, I
LDO2
= 50mA,
with 0.5V
P-P
supply ripple
60
Output Voltage Noise
e
n-LDO1
LDO1, 10Hz < f < 100kHz, C
BYP
= 22nF, C
LDOn
= 1μF,
I
LDO1
= 50 mA, 1.5V < V
LDO1
< 3.0V
100
μV
RMS
e
n-LDO2
LDO2, 10Hz < f < 100kHz, C
BYP
= 22nF, C
LDO
= 1μF,
I
LDO2
= 50 mA
50
Minimum Output Capacitor
C
LDO(MIN)
1μF
Electrical Characteristics (continued)



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