LTC4000_15 Datasheet, PDF (2/40 Pages) Linear Technology – High Voltage High Current Controller for Battery Charging and Power Management

LTC4000
Absolute Maximum Ratings
(Note 1)
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
Pin Configuration
TOP VIEW
28 27 26 25 24 23
VM 1
22 IGATE
RST 2
21 OFB
IIMON 3
20 CSP
IL 4
29
19 CSN
ENC 5
GND
18 BGATE
IBMON 6
17 BAT
CX 7
16 BFB
CL 8
15 FBG
9 10 11 12 13 14
UFD PACKAGE
28-LEAD (4mm × 5mm) PLASTIC QFN
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
TOP VIEW
ENC 1
IBMON 2
CX 3
CL 4
TMR 5
GND 6
FLT 7
CHRG 8
BIAS 9
NTC 10
FBG 11
BFB 12
BAT 13
BGATE 14
28 IL
27 IIMON
26 RST
25 VM
24 GND
23 IN
22 CLN
21 CC
20 ITH
19 IID
18 IGATE
17 OFB
16 CSP
15 CSN
GN PACKAGE
28-LEAD PLASTIC SSOP
T_JMAX = 125°C, θ_JA = 80°C/W, θ_JC = 25°C/W
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/
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For more information www.linear.com/LTC4000