DC1245A Linear Technology, DC1245A Datasheet - Page 2

• 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