LTC4058EDD-4.2 Linear Technology, LTC4058EDD-4.2 Datasheet - Page 11

• Manufacturer Part Number: LTC4058EDD-4.2
• Description: IC CHARGER BATTERY LI-ION 8-DFN
• Manufacturer: Linear Technology

Specifications of LTC4058EDD-4.2

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 4.25 V ~ 6.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-WFDFN Exposed Pad
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

APPLICATIO S I FOR ATIO
PACKAGE DESCRIPTIO
Reverse Polarity Input Voltage Protection
In some applications, protection from reverse polarity
voltage on V
enough, a series blocking diode can be used. In other
cases, where the voltage drop must be kept low, a P-channel
MOSFET can be used (as shown in Figure 4).
CC
is desired. If the supply voltage is high
3.5 0.05
U
2.15 0.05
U
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
TOP MARK
1.65 0.05
(2 SIDES)
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 represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
0.28 0.05
PIN 1
0.200 REF
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-1)
2. ALL DIMENSIONS ARE IN MILLIMETERS
3. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
4. EXPOSED PAD SHALL BE SOLDER PLATED
W
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
U
2.38 0.05
(2 SIDES)
8-Lead Plastic DFN (3mm 3mm)
(Reference LTC DWG # 05-08-1698)
U
0.50
BSC
DD Package
0.675 0.05
3.00 0.10
0.75 0.05
(4 SIDES)
PACKAGE
OUTLINE
0.00 – 0.05
Figure 4. Low Loss Input Reverse Polarity Protection
LTC4058-4.2/LTC4058X-4.2
1.65 0.10
(2 SIDES)
V
BOTTOM VIEW—EXPOSED PAD
IN
0.28 0.05
R = 0.115
DIODE OF FET
DRAIN-BULK
TYP
4
5
2.38 0.10
(2 SIDES)
8
1
0.50 BSC
V
CC
0.38 0.10
LTC4058
(DD8) DFN 0203
405842 F04
sn405842 405842fs
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