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| LTM4611 Datasheet, PDF (9/28 Pages) Linear Technology – Ultralow VIN, 15A DC/DC μModule Regulator | |||
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LTM4611
Block Diagram
VIN >1.35V = ON
<1.1V = OFF
R1 ABS MAX = 6V
R2
AS NEEDED
240k
VOUT_LCL
1M
VOUT
RUN
COMP
INTERNAL
COMP
SGND
VFB
PLLFLTR/fSET
0.5%
60.4k
INTERNAL
LOOP
FILTER
POWER
CONTROL
µPOWER BIAS
GENERATOR
M1
M2
INTVCC
10k
TRACK/SS
CSS
MODE_PLLIN
INTVCC
C
PGOOD
INTVCC
10k
VIN
2µF
VIN
+
1.5V TO 5.5V
CIN
0.2µH
VOUT
10µF
GND
+
COUT
VOUT
1V
15A
10k VOSNSâ
10k VOSNS+
10k
DIFFVOUT
4611 F01
Figure 1. Simplified LTM4611 Block Diagram
DECOUPLING REQUIREMENTS TA = 25°C. Use Figure 1 configuration.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
CIN
External Input Capacitor Requirement IOUT = 15A
(VIN = 1.5V to 5.5V, VOUT = 1V)
66
µF
COUT
External Output Capacitor Requirement IOUT = 15A
(VIN = 1.5V to 5.5V, VOUT = 1V)
400
µF
4611f
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