DC1245A Linear Technology, DC1245A Datasheet - Page 2
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DC1245A
Manufacturer Part Number
DC1245A
Description
BOARD DEMO LTM4616
Manufacturer
Linear Technology
Series
µModuler
Specifications of DC1245A
Design Resources
LTM4616 Spice Model LTM4616 Gerber Files DC1245 Design Files
Main Purpose
DC/DC, Step Down
Outputs And Type
2, Non-Isolated
Power - Output
-
Voltage - Output
1.2V, 1.8V
Current - Output
8A, 8A
Voltage - Input
2.7 ~ 5.5 V
Regulator Topology
Buck
Frequency - Switching
1.5MHz
Board Type
Fully Populated
Utilized Ic / Part
LTM4616
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
absolute MaxiMuM ratings
LTM4616
(Note 1)
V
CLKOUT1, CLKOUT2 .................................... –0.3V to 2V
PGOOD1, PLLLPF1, CLKIN1, PHMODE1,
I
V
Internal Operating Temperature Range
(Note 2) .................................................. –40°C to 125°C
Junction Temperature ........................................... 125°C
Storage Temperature Range .................. –55°C to 125°C
orDer inForMation
LEAD FREE FINISH
LTM4616EV#PBF
LTM4616IV#PBF
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:
This product is only offered in trays. For more information go to:
electrical characteristics
operating temperature range (Note 2). T
as each channel (Note 3).
SYMBOL
V
V
Input Specifications
V
V
2
TH1
IN1(DC),
OUT1(DC)
IN1(UVLO)
IN2(UVLO)
OUT1
IN1
MODE1, PGOOD2, PLLLPF2, CLKIN2,
PHMODE2, MODE2 ................................. –0.3V to V
BSEL1, I
MGN2, BSEL2 ......................................... –0.3V to V
, I
, SV
THM1
, V
V
, V
,
IN2(DC)
IN1
OUT2
OUT2(DC)
, RUN1, FB1, TRACK1, MGN1,
, V
TH2
, SW1, SW2 ............................ –0.3V to V
IN2
, I
, SV
THM2
PARAMETER
Input DC Voltage
Output Voltage, Total Variation
with Line and Load
Undervoltage Lockout Threshold
TRAY
LTM4616EV#PBF
LTM4616IV#PBF
IN2
, RUN2, FB2, TRACK2,
................................ –0.3V to 6V
A
PART MARKING*
LTM4616V
LTM4616V
= 25°C, V
http://www.linear.com/leadfree/
CONDITIONS
C
V
I
SV
SV
IN
OUT
IN
IN
IN
IN
= 5V unless otherwise noted. Per the typical application in Figure 18. Specified
100µF POSCAP , R
= 10µF × 1, C
= 2.7V to 5.5V,
= I
Rising
Falling
http://www.linear.com/packaging/
OUT(DC)MIN
The
PACKAGE DESCRIPTION
144-Lead (15mm × 15mm × 2.82mm) LGA
144-Lead (15mm × 15mm × 2.82mm) LGA
IN
IN
IN
l
denotes the specifications which apply over the full internal
OUT
to I
FB
pin conFiguration
= 100µF Ceramic,
OUT(DC)MAX
BSEL2
= 6.65k, MODE = 0V
PLLLPF2
PLLLPF1
CLKIN2
BSEL1
SV
RUN1
SV
SW2
SW1
IN2
IN1
V
IN1
(Note 4)
M
H
G
D
L
K
E
C
B
A
J
F
1
T
JMAX
2
V
IN2
= 125°C, θ
3
144-LEAD (15mm × 15mm × 2.8mm)
4
SGND2
5
JCbottom
LGA PACKAGE
SGND1
l
l
CLKIN1
RUN2
TOP VIEW
6
CLKOUT2
1.472
1.464
= 2°C/W, θ
7
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
MIN
2.05
1.85
2.7
MODE1
I
TH2
8
9
PHMODE1
JCtop
10
1.49
1.49
TYP
V
2.2
2.0
OUT2
= 16°C/W
11
12
1.508
1.516
GND2
V
GND1
MAX
2.35
2.15
OUT1
5.5
TRACK2
I
FB2
MODE2
PGOOD2
I
TRACK1
FB1
PGOOD1
MGN1
THM2
TH1
PHMODE2
MGN2
CLKOUT1
I
THM1
UNITS
4616fc
V
V
V
V
V