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LT3045 Datasheet(PDF) 39 Page - Analog Devices

Part # LT3045
Description  42V, 1A/2.5A Step-Down Silent Switcher 3 with Ultra-Low Noise Reference
PDF  44 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT3045 Datasheet(HTML) 39 Page - Analog Devices

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Data Sheet
LT83401/LT83402
analog.com
Rev. 0
39 of 44
TYPICAL APPLICATIONS
Figure 59. 3.3V 2.5A 2MHz Step-Down Converter with Soft-Start, Fast Start-Up, and Power Good
Figure 60. 13.7V 1.5A 2.1MHz Step-Down Converter with Fast Start-Up, and Power Good
10µF
47.5kΩ
1µF
33.2kΩ
1kΩ
280kΩ
49.9kΩ
0.1µF
1µF
4.7nF
82pF
1µF
1µF
L: XGL4020
2.2µH
22µF ×4
VIN
EN/UVLO
SET
RT
GND
VC
PGFB
OUTS
SW
LT83402
fSW = 2MHz
BST
INTVCC
VIN
GND
GND
3.3V
2.5A
VOUT
PG
VIN
4.8V to 42V
PIN(S) NOT USED IN THIS CIRCUIT:
SYNC/MODE
TYPICAL PERFORMANCE CHARACTERISTIC
2MHz, 3.3VOUT NOISE DATA USES THIS CIRCUIT
CSET: GCM21BR71H105KA03L
10µF
43.2kΩ
1µF
137kΩ
200Ω
1.33MΩ
49.9kΩ
0.1µF
22nF
82pF
1µF
1µF
L: XGL4030
6.8µH
22µF
VIN
EN/UVLO
SET
RT
GND
VC
PGFB
OUTS
SW
LT83402
fSW = 2.1MHz
BST
INTVCC
VIN
GND
GND
13.7V
1.5A
VOUT
PG
VIN
21V
PIN(S) NOT USED IN THIS CIRCUIT:
SYNC/MODE
CSET: GCM21BR71H105KA03L
1µF



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