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SC191AWLTRT

P1-P3P4-P6P7-P9P10-P12P13-P13
10
© 2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
SC191
0
100
200
300
400
500
600
-60 -40 -20 0 20 40 60 80 100 120 140
0.965
0.97
0.975
0.98
0.985
0.99
0.995
1
1.005
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
1
1.5
2
2.5
3
3.5
4
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
0
50
100
150
200
250
300
350
400
-60 -40 -20 0 20 40 60 80 100 120 140
P-Channel R
DSON
vs. TemperatureN-Channel R
DSON
vs. Temperature
Load Transient Response
V
IN
=3.6V, V
OUT
=1.2V
V
OUT
100mV/DIV
I
OUT
33 to 330mA
200s/Div
RDSON (m)
Quiescent Current vs. Input Voltage
V
IN
(V)
Switching Frequency vs. Input Voltage
Start-Up
Switching Frequency (MHz)
T
J
(°C)
RDSON (m)
T
J
(°C)
200s/Div
V
OUT
500mV/DIV
ENABLE
5V/DIV
V
IN
=3.6V, I
OUT
=300mA
V
IN
(V)
Quiescent Current (mA)
T
J
=85
o
C
T
J
=25
o
C
T
J
=-40
o
C
Typical Characteristics (Cont.)
© 2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
11
SC191
Input Voltage Ripple (FELDO Active)
400ns/Div
V
OUT
5mV/DIV
V
LX
2V/DIV
V
IN
=3.6V, I
OUT
=300mA, C
BP
=10uF, C
IN
= 10uF
Input Voltage Ripple (FELDO Bypassed)
V
OUT
5mV/DIV
V
LX
2V/DIV
400ns/Div
V
IN
=3.6V, I
OUT
=300mA, C
BP
=10uF, C
IN
= not fi tted
Input Voltage Ripple (FELDO Bypassed)
V
LX
2V/DIV
V
OUT
5mV/DIV
400ns/Div
V
IN
=3.6V, I
OUT
=300mA, C
BP
=20uF, C
IN
= not fi tted
Typical Characteristics (Cont.)
12
© 2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
SC191
INCHES
.020 BSC
b
.008
bbb
aaa
N
L
e
D
.012
DIM
A1
A2
A
MIN
.000
.028
0.30
0.20.012
0.25
.010
0.500.30
.003
.003
8
.016
.091
.020
0.08
0.08
8
0.40
2.30
0.50 BSC
MILLIMETERS
MAX
0.05
0.80
DIMENSIONS
MIN
0.00
NOM
(.008)
.030
.001
MAX
.002
.031
NOM
0.70
0.02
(0.20)
0.75
CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).
NOTES:
1.
2.30
.091
PIN 1
INDICATOR
(LASER MARK)
A1
SEATING
PLANE
C
B
A
aaa
C
2
1
N
bbb C A B
D
E
E
bxN
2.40
2.40
2.20
2.20
.094
.094
.087
.087
A2
A
e
e/2
LxN
L1
0.125 CHAMFER
L1
.016 .020 .024 0.40
0.50
0.60
Outline Drawing - MLPD-8
P1-P3P4-P6P7-P9P10-P12P13-P13

SC191AWLTRT

Mfr. #:
Buy SC191AWLTRT
Manufacturer:
Semtech
Description:
Switching Voltage Regulators SYNCH BUCK CONVERTERS
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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