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LTM4614 Datasheet, PDF (2/20 Pages) Linear Technology – Dual 4A per Channel Low VIN DC/DC μModule Regulator
LTM4614
ABSOLUTE MAXIMUM RATINGS
(Note 1)
VIN1, VIN2, PGOOD1, PGOOD2 ..................... –0.3V to 6V
COMP1, COMP2, RUN/SS1, RUN/SS2
FB1, FB2,TRACK1, TRACK2 ........................ –0.3V to VIN
SW1, SW2, VOUT1, VOUT2.............. –0.3V to (VIN + 0.3V)
Internal Operating Temperature Range
(Note 2)..................................................–40°C to 125°C
Junction Temperature ........................................... 125°C
Storage Temperature Range................... –55°C to 125°C
Body Temperature, Solder Reflow (Note 3)........... 245°C
PIN CONFIGURATION
(See Pin Functions, Pin Configuration Table)
TOP VIEW
M
L
K
J
H
G
F
E
D
C
B
A
1 2 3 4 5 6 7 8 9 10 11 12
LGA PACKAGE
144-LEAD (15mm s 15mm s 2.8mm)
TJMAX = 125°C, θJC-BOT = 2-3°C/W, θJA = 15°C/W, θJC-TOP = 25°C/W, Weight = 1.61g
ORDER INFORMATION
LEAD FREE FINISH
TRAY
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTM4614EV#PBF
LTM4614EV#PBF
LTM4614V
144-Lead (15mm × 15mm × 2.8mm) LGA –40°C to 125°C
LTM4614IV#PBF
LTM4614IV#PBF
LTM4614V
144-Lead (15mm × 15mm × 2.8mm) LGA –40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
This product is only offered in trays. For more information go to: http://www.linear.com/packaging/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full internal
operating temperature range, otherwise specifications are at TA = 25°C. VIN = 5V unless otherwise noted. Refer to Figure 1.
Specified as each channel (Note 6).
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
VIN(DC)
VOUT(DC)
Input DC Voltage
Output Voltage
CIN = 22μF, COUT = 100μF, RFB = 5.76k
VIN = 2.375V to 5.5V, IOUT = 0A to 4A (Note 5)
0°C ≤ TJ ≤ 125°C
l 2.375
5.5
1.460 1.49 1.508
l 1.45 1.49 1.512
VIN(UVLO)
Undervoltage Lockout Threshold
IINRUSH(VIN) Input Inrush Current at Start-Up
IQ(VIN)
Input Supply Bias Current
IS(VIN)
Input Supply Current
IOUT = 0A
IOUT = 0A, CIN = 22μF, COUT = 100μF, VOUT = 1.5V
VIN = 5.5V
VIN = 2.375V, VOUT = 1.5V, Switching Continuous
VIN = 5.5V, VOUT = 1.5V, Switching Continuous
Shutdown, RUN = 0, VIN = 5V
VIN = 2.375V, VOUT = 1.5V, IOUT = 4A
VIN = 5.5V, VOUT = 1.5V, IOUT = 4A
1.6
2
2.3
0.35
20
35
7
12
3.15
1.35
UNITS
V
V
V
V
A
mA
mA
μA
A
A
4614fa
2