Linear Technology LTC4000, Datasheet, Page: 2 / 40

LTC4000
2
4000fb
For more information www.linear.com/LTC4000
absoluTe MaxiMuM raTings
IN, CLN, IID, CSP, CSN, BAT ....................... –0.3V to 62V
IN-CLN, CSP-CSN ............................................–1V to 1V
OFB, BFB, FBG ........................................... –0.3V to 62V
FBG ............................................................–1mA to 2mA
IGATE ...........Max (V
IID
, V
CSP
) – 10V to Max (V
IID
, V
CSP
)
BGATE .......Max (V
BAT
, V
CSN
) – 10V to Max (V
BAT
, V
CSN
)
ENC, CX, NTC, VM ...................................–0.3V to V
BIAS
IL, CL, TMR, IIMON, CC ...........................–0.3V to V
BIAS
BIAS .............................................–0.3V to Min (6V, V
IN
)
IBMON ..................................–0.3V to Min (V
BIAS
, V
CSP
)
ITH ............................................................... –0.3V to 6V
CHRG , FLT , RST .......................................... –0.3V to 62V
CHRG , FLT , RST ..........................................–1mA to 2mA
Operating Junction Temperature Range
(Note 2) ................................................................. 125°C
Storage Temperature Range .................. –65°C to 150°C
(Note 1)
9 10
TOP VIEW
UFD PACKAGE
28-LEAD (4mm × 5mm) PLASTIC QFN
11 12 13
28
29
GND
27 26 25 24
14
23
6
5
4
3
2
1 VM
RST
IIMON
IL
ENC
IBMON
CX
CL
IGATE
OFB
CSP
CSN
BGATE
BAT
BFB
FBG
GND IN CLN CC ITH IID
TMR GND
FLT
CHRG
BIAS
NTC
7
17
18
19
20
21
22
16
8
15
T
JMAX
= 125°C, θ
JA
= 43°C/W, θ
JC
= 4°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
GN PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15 ENC
IBMON
CX
CL
TMR
GND
FLT
CHRG
BIAS
NTC
FBG
BFB
BAT
BGATE
IL
IIMON
RST
VM
GND
IN
CLN
CC
ITH
IID
IGATE
OFB
CSP
CSN
T
JMAX
= 125°C, θ
JA
= 80°C/W, θ
JC
= 25°C/W
pin conFiguraTion
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4000EUFD#PBF LTC4000EUFD#TRPBF 4000
28-Lead (4mm
×
5mm) Plastic QFN
–40°C to 125°C
LTC4000IUFD#PBF LTC4000IUFD#TRPBF 4000 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C
LTC4000EGN#PBF LTC4000EGN#TRPBF LTC4000GN 28-Lead Plastic SSOP –40°C to 125°C
LTC4000IGN#PBF LTC4000IGN#TRPBF LTC4000GN 28-Lead Plastic SSOP –40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/