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LTM4657 Datasheet(PDF) 7 Page - Analog Devices

Part # LTM4657
Description  20VIN, Dual 5A or Single 10A Step-Down DC/DC 關Module Regulator
PDF  24 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTM4657 Datasheet(HTML) 7 Page - Analog Devices

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LTM4705
7
Rev. 0
For more information www.analog.com
BLOCK DIAGRAM
DECOUPLING REQUIREMENTS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CIN
External Input Capacitor Requirement
(VIN = 3.1V to 20V, VOUT = 1.5V)
IOUT = 5A
10
22
µF
COUT
External Output Capacitor Requirement
(VIN = 3.1V to 20V, VOUT = 1.5V)
IOUT = 5A
47
100
µF
Figure 1. Simplified LTM4705 Block Diagram
POWER CONTROL
FB2
60.4k
2.2µF
0.1µF
40.2k
0.1µF
22µF
INTVCC
VOUT2
TRACK/SS2
0.1µF
TRACK/SS1
RUN1
RUN2
SYNC/MODE
COMP1
VOUT1
VIN1
VIN2
10k
PGOOD1
VOUT1
1.2V
5A
VIN
3.1V TO 20V
INTVCC
GND
1µH
4705 F01
FREQ
324k
INTERNAL
COMP
COMP2
FB1
60.4k
60.4k
VOUT1
10k
PGOOD2
INTVCC
100µF
0.1µF
VOUT2
VOUT2
1.5V
5A
GND
1µH
100µF
INTERNAL
COMP
22µF



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