LTC4352
13
4352fa
Typical applicaTions
Plug-in Card Supply Holdup Using Ideal Diode at Input
Ideal Diode with Reverse Input Protection
LTC4352
PLUG-IN CARDCONNECTORSBACKPLANE
Q1
Si7336ADP
4352 TA02
V
IN
SOURCE GATE OUT
GND
GND
TO LOAD12V
GND
+
C
HOLDUP
HOT SWAP
CONTROLLER
V
CC
UV
OV
REV
LTC4352
STATUS
FAULT
0.1µF
10A LOAD
D5
SMAJ17A
D3
1N4148
OR
BAT85
D4
BAT85
3.5V TO 9V
Q1
Si4438DY
C1
0.1µF
4352 TA04
CPO V
IN
SOURCE GATE
GND
OUT
LTC4352
14
4352fa
DD Package
12-Lead Plastic DFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1725 Rev A)
3.00 ±0.10
(4 SIDES)
NOTE:
1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD AND TIE BARS SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE
TOP AND BOTTOM OF PACKAGE
0.40 ± 0.10
BOTTOM VIEW—EXPOSED PAD
1.65 ± 0.10
0.75 ±0.05
R = 0.115
TYP
16
127
PIN 1
TOP MARK
(SEE NOTE 6)
0.200 REF
0.00 – 0.05
(DD12) DFN 0106 REV A
0.23 ± 0.05
PIN 1 NOTCH
R = 0.20 OR
0.25 × 45°
CHAMFER
2.38 ±0.10
2.25 REF
0.45 BSC
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
0.25 ± 0.05
2.25 REF
2.38 ±0.05
1.65 ±0.05
2.10 ±0.05
0.70 ±0.05
3.50 ±0.05
PACKAGE
OUTLINE
0.45 BSC
package DescripTion
MS Package
12-Lead Plastic MSOP
(Reference LTC DWG # 05-08-1668 Rev Ø)
MSOP (MS12) 1107 REV Ø
0.53 ± 0.152
(.021 ± .006)
SEATING
PLANE
0.18
(.007)
1.10
(.043)
MAX
0.22 – 0.38
(.009 – .015)
TYP
0.86
(.034)
REF
0.650
(.0256)
BSC
12 11 10 9 8 7
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
0.254
(.010)
0° – 6° TYP
DETAIL “A”
DETAIL “A”
GAUGE PLANE
5.23
(.206)
MIN
3.20 – 3.45
(.126 – .136)
0.889 ± 0.127
(.035 ± .005)
RECOMMENDED SOLDER PAD LAYOUT
0.42 ± 0.038
(.0165 ± .0015)
TYP
0.65
(.0256)
BSC
4.039 ± 0.102
(.159 ± .004)
(NOTE 3)
0.1016 ± 0.0508
(.004 ± .002)
1 2 3 4 5 6
3.00 ± 0.102
(.118 ± .004)
(NOTE 4)
0.406 ± 0.076
(.016 ± .003)
REF
4.90 ± 0.152
(.193 ± .006)
LTC4352
15
4352fa
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
revision hisTory
REV DATE DESCRIPTION PAGE NUMBER
A 12/10 Added H-grade information
Revised FAULT pin description in Pin Functions
Revised Functional Diagram
Added text to Operation section
Revised Figures 2, 5, 6 in Applications Information
Added new Typical Application
Revised Typical Application and Related Parts list
2,3
5
6
7
8, 10
13
16

LTC4352CDD#TRPBF

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Power Management Specialized - PMIC L V Ideal Diode Cntr w/ Mon ing
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union