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SC560 Datasheet(PDF) 4 Page - Semtech Corporation

Part # SC560
Description  Dual Output Low Noise LDO Linear Regulator
PDF  15 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC560 Datasheet(HTML) 4 Page - Semtech Corporation

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SC560
4
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Noise(3)
e
N
V
IN
= 3.7V, I
OUTx
= 50mA ,
10Hz < f < 100kHz, C
BYP
= 22nF
50
μV
RMS
V
IN
= 3.7V, I
OUTx
= 50mA ,
10Hz < f < 100kHz
300
μV
RMS
Power Supply Rejection
Ratio (3)
PSRR
V
IN
= 3.7V, I
OUTx
= 50mA, f = 1kHz,
C
BYP
= 22nF
65
dB
V
IN
= 3.7V, I
OUTx
= 50mA, f = 1kHz
40
PGOOD Delay(4)
t
DELAY
160
200
240
ms
PGOOD Threshold(4)
V
TH-PGOOD
Percentage of nominal output,
V
OUTA
falling
82
87
92
%
Start-Up Time
t
SU
From OFF to 87% V
OUTx
, I
OUTx
= 50mA,
C
BYP
= 22nF(2)
1ms
Power Up Delay Between LDOA and
LDOB(5)
t
DELAY
Delay between V
OUTA
and V
OUTB
start-ups
128
μs
Under Voltage Lockout
V
UVLO
V
IN
Rising
2.15
2.25
2.35
V
UVLO Hysteresis
V
UVLO-HYS
100
mV
Over Temperature Protection
Threshold
T
OT
Temperature Rising
160
°C
Over Temperature Hysteresis
T
OT-HYS
20
°C
Digital Inputs
Logic Input High Threshold
V
IH
V
IN
= 5.5V
1.25
V
Logic Input Low Threshold
V
IL
V
IN
= 2.5V
0.4
V
Logic Input High Current
I
IH
V
IN
= 5.5V
1
μA
Logic Input Low Current
I
IL
V
IN
= 5.5V
1
μA
Digital Outputs
PGOOD Output voltage Low
V
OL
I
SINK
= 500μA,V
IN
=3.7V
7
20
mV
Electrical Characteristics (continued)
Notes:
(1) Dropout voltage is defined as V
IN
- V
OUTx
, when V
OUTx
is 100mV below the value of V
OUTx
at V
IN
= V
OUTx
+ 0.5V.
(2) SC560A, SC560B and SC560C only
(3) Except SC560B and fixed output versions
(4) Except SC560A and SC560B
(5) SC560A and SC560C only



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