LTC4000
37
4000fb
For more information www.linear.com/LTC4000
package DescripTion
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
4.00 ±0.10
(2 SIDES)
2.50 REF
5.00 ±0.10
(2 SIDES)
NOTE:
1. DRAWING PROPOSED TO BE MADE A JEDEC PACKAGE OUTLINE MO-220 VARIATION (WXXX-X).
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 SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 6)
0.40 ±0.10
27 28
1
2
BOTTOM VIEW—EXPOSED PAD
3.50 REF
0.75 ±0.05
R = 0.115
TYP
R = 0.05
TYP
PIN 1 NOTCH
R = 0.20 OR 0.35
× 45° CHAMFER
0.25 ±0.05
0.50 BSC
0.200 REF
0.00 – 0.05
(UFD28) QFN 0506 REV B
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
0.70 ±0.05
0.25 ±0.05
0.50 BSC
2.50 REF
3.50 REF
4.10 ±0.05
5.50 ±0.05
2.65 ±0.05
3.10 ±0.05
4.50 ±0.05
PACKAGE OUTLINE
2.65 ±0.10
3.65 ±0.10
3.65 ±0.05
UFD Package
28-Lead Plastic QFN (4mm × 5mm)
(Reference LTC DWG # 05-08-1712 Rev B)
LTC4000
38
4000fb
For more information www.linear.com/LTC4000
.386 – .393*
(9.804 – 9.982)
GN28 REV B 0212
1 2
3
4
5
6
7
8 9 10 11 12
.229 – .244
(5.817 – 6.198)
.150 – .157**
(3.810 – 3.988)
202122232425262728
19
18
17
13 14
16
15
.016 – .050
(0.406 – 1.270)
.015 ±.004
(0.38 ±0.10)
× 45°
0° – 8° TYP
.0075 – .0098
(0.19 – 0.25)
.0532 – .0688
(1.35 – 1.75)
.008 – .012
(0.203 – 0.305)
TYP
.004 – .0098
(0.102 – 0.249)
.0250
(0.635)
BSC
.033
(0.838)
REF
.254 MIN
RECOMMENDED SOLDER PAD LAYOUT
.150 – .165
.0250 BSC.0165 ±.0015
.045 ±.005
* DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
INCHES
(MILLIMETERS)
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
4. PIN 1 CAN BE BEVEL EDGE OR A DIMPLE
GN Package
28-Lead Plastic SSOP (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1641 Rev B)
package DescripTion
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
LTC4000
39
4000fb
For more information www.linear.com/LTC4000
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 5/11 Updated the Typical Application.
Updated the Electrical Characteristics section.
Updated the ENC pin text in the Pin Functions section.
Updated the Block Diagram.
Updated Figures 14 and 25.
1
3, 4, 5
8
11
26, 34
B 6/13 Added Common Mode Range spec to CLN, CSP and CSN.
Revised Ratio of Monitored-Current Voltage to Sense Voltage min
Revised V
BFB_REG
Battery Feedback Voltage min.
Revised V
OFB_REG
Output Feedback Voltage min.
Revised Voltage Monitoring Input Falling Threshold min.
Revised IGATE pin functionality.
Revised Input Ideal Diode section.
Revised Input UVLO and Voltage Monitoring section.
Revised Input Ideal Diode PMOS Selection.
Revised R
CX
C/X detection equation.
Revised Typical Application circuits (resistors).
3
3
3
3
4
10
13
15
16
18
11, 26, 34 to
36, 40

LTC4000IGN#TRPBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Battery Management High Voltage, High Current Controller for Battery Charging and Power Management
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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