Datasheet

2
LTC4065/LTC4065A
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SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
V
CC
Supply Voltage (Note 4) ● 3.75 5.5 V
I
CC
Quiescent V
CC
Supply Current V
BAT
= 4.5V (Forces I
BAT
and I
PROG
= 0) ● 120 250 µA
I
CCMS
V
CC
Supply Current in Shutdown V
EN
= 5V (LTC4065) or Float PROG (LTC4065A) ● 20 40 µA
I
CCUV
V
CC
Supply Current in Undervoltage V
CC
< V
BAT
, V
CC
= 3.5V, V
BAT
= 4V ● 611 µA
Lockout
V
FLOAT
V
BAT
Regulated Output Voltage I
BAT
= 2mA 4.175 4.2 4.225 V
I
BAT
= 2mA, 0°C < T
A
< 85°C 4.158 4.2 4.242 V
I
BAT
BAT Pin Current R
PROG
= 10k (0.1%), Current Mode ● 88 100 112 mA
R
PROG
= 2k (0.1%), Current Mode ● 475 500 525 mA
I
BMS
Battery Drain Current in Shutdown V
EN
= V
CC
(LTC4065), ● –1 0 1 µA
Mode V
PROG
> V
MS,PROG
(LTC4065A)
I
BUV
Battery Drain Current in Undervoltage V
CC
= 3.5V, V
BAT
= 4V ● 014 µA
Lockout
V
UVLO
V
CC
Undervoltage Lockout Voltage V
CC
Rising ● 3.4 3.6 3.8 V
V
CC
Falling ● 2.8 3.0 3.2 V
V
PROG
PROG Pin Voltage R
PROG
= 2k, I
PROG
= 500µA ● 0.98 1 1.02 V
R
PROG
= 10k, I
PROG
= 100µA ● 0.98 1 1.02 V
V
ASD
Automatic Shutdown Threshold (V
CC
– V
BAT
), V
CC
Low to High 60 82 100 mV
Voltage (V
CC
– V
BAT
), V
CC
High to Low 15 32 45 mV
V
MSH
Manual Shutdown High Voltage V
EN
Rising 1 V
(LTC4065)
V
MSL
Manual Shutdown Low Voltage V
EN
Falling 0.6 V
(LTC4065)
R
EN
EN Pin Input Resistance ● 0.95 1.5 3.3 MΩ
V
CC
t < 1ms and Duty Cycle < 1% ................. –0.3V to 7V
Steady State ........................................... –0.3V to 6V
BAT, CHRG ................................................. –0.3V to 6V
EN (LTC4065), ACPR (LTC4065A).. –0.3V to V
CC
+ 0.3V
PROG.............................................. –0.3V to V
CC
+ 0.3V
BAT Short-Circuit Duration ...........................Continuous
BAT Pin Current ................................................. 800mA
PROG Pin Current ............................................... 800µA
Junction Temperature (Note 6)............................ 125°C
Operating Temperature Range (Note 2) .. –40°C to 85°C
Storage Temperature Range ................ –65°C to 125°C
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
(Note 1)
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25°C.
V
CC
= 5V, V
BAT
= 3.8V, V
EN
= 0V (LTC4065 only) unless otherwise specified. (Note 2)
ELECTRICAL CHARACTERISTICS
T
JMAX
= 125°C, θ
JA
= 60°C/W (NOTE 3)
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
*EN PIN 5 ON LTC4065EDC, ACPR PIN 5 ON LTC4065AEDC
ORDER PART NUMBER
DC PART MARKING
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC4065EDC
LTC4065AEDC
LBPG
LBVJ
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
TOP VIEW
7
DC PACKAGE
6-LEAD (2mm × 2mm) PLASTIC DFN
4
5
6
3
2
1GND
CHRG
BAT
PROG
EN/ACPR*
V
CC