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SC419ULTRT Datasheet(PDF) 6 Page - Semtech Corporation

Part # SC419ULTRT
Description  EcoSpeedTM DC-DC Converter with Integrated Boost Diode
Download  24 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC419ULTRT Datasheet(HTML) 6 Page - Semtech Corporation

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SC419
6
CIN2
RILIM
RPSV
(see
note)
SC419
VOUT
DL
VDDA
PGOOD
PSV
VDDP
FB
NC
PGND
Q1
EN
PGOOD
5V
VIN
VIN
Q2
RFB1
RFB2
5V
VOUT
+
1µF
PAD
RTON
100nF
CIN1
Component
Value
Manufacturer
Part Number
Web
CIN1, CIN2
10µF/25V
Murata
GRM32DR71E106KA12L
www.murata.com
www.panasonic.com
COUT1, COUT2
220µF/15mΩ/6.3V
Panasonic
EEFUE0J221R
www.nec-tokin.co
L1 (option 1)
0.88µH/2.3mΩ
NEC-Tokin
MPC1040LR88C
Key Components
www.irf.com
Q1
IRF7821
I.R.
IRF7821
www.irf.com
Q2
IRF7832
I.R.
IRF7832
100nF
NC
100nF
COUT2
COUT1
+
10nF
L1
154kΩ
12V to 1.05V @ 10A, 250kHz
11kΩ
10kΩ
Note - RPSV: Use 115kΩ for Ultrasonic operation
Remove RPSV for Power-Save operation
Connect PSV pin to VDDA for Forced Continuous Mode operation
10kΩ
1
2
3
4
5
11
12
13
14
15
6
7
8
9 10
20 19 18
17 16
CTOP
100pF
L1 (option 2)
1.0µH/2.3mΩ
Vishay
IHLP4040DZER1R0M11
www.vishay.co
Detailed Application Circuit


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