Datasheet

LTC4062
2
4062fb
ABSOLUTE AXI U RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UUW
(Note 1)
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 5V, unless otherwise noted.
Input Supply Voltage (V
CC
) ........................ –0.3V to 10V
EN, OUT, CHRG, IN
+
, PROG, C/5, BAT ....... –0.3V to 10V
TIMER, I
DET
..................................... –0.3V to V
CC
+0.3V
BAT Short-Circuit Duration ...........................Continuous
V
CC
Pin Current ......................................................... 1A
BAT Pin Current ......................................................... 1A
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range (Note 2) ... –40°C to 85°C
Storage Temperature Range .................. –65°C to 125°C
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Input Supply Voltage ● 4.3 8 V
I
CC
Input Supply Current Charge Mode (Note 4), R
PROG
= 10k ● 240 500 µA
Standby Mode, Charge Terminated
● 130 300 µA
Shutdown (EN = 5V, V
CC
< V
BAT
or V
CC
< V
UV
) ● 20 50 µA
V
FLOAT
V
BAT
Regulated Output Voltage 4.185 4.2 4.215 V
0 < T
A
< 85°C 4.175 4.2 4.225 V
I
BAT
BAT Pin Current R
PROG
= 10k, Constant Current Mode ● 93 100 107 mA
R
PROG
= 1.25k, Constant Current Mode ● 760 800 840 mA
Standby Mode, Charge Terminated, V
BAT
= 4.2V ● –3.5 –7 µA
Shutdown Mode, V
BAT
= 4.2V ● ±1 ±5 µA
V
PROG
PROG Pin Voltage R
PROG
= 10k, Constant Current Mode 0.97 1 1.03 V
R
PROG
= 1.25k, Constant Current Mode 0.97 1 1.03 V
V
OUT
OUT Output Low Voltage I
OUT
= 5mA 0.10 0.25 V
I
OUT
= 5mA, V
CC
= 0V, V
BAT
= 2.55V 0.16 0.26 V
V
CHRG
CHRG Output Low Voltage I
CHRG
= 5mA 0.1 0.25 V
I
TRIKL
Trickle Charge Current V
BAT
< V
TRIKL
, R
PROG
= 10k 6 10 14 mA
V
BAT
< V
TRIKL
, R
PROG
= 1.25k 60 80 100 mA
V
TRIKL
Trickle Charge Threshold Voltage V
BAT
Rising 2.8 2.9 3 V
Hysteresis 100 mV
V
UV
V
CC
Undervoltage Lockout From Low to High 3.7 3.8 3.9 V
Voltage Hysteresis 200 V
V
ASD
V
CC
– V
BAT
Lockout Threshold V
CC
from Low to High, V
BAT
= 4.3V 145 190 230 mV
Voltage V
CC
from High to Low, V
BAT
= 4.3V 10 45 75 mV
R
EN
EN Pin Pull-Down Resistor ● 2 3.4 5 MΩ
TOP VIEW
10
9
6
7
811
4
5
3
2
1
V
CC
PROG
I
DET
EN
C/5
BAT
IN
+
TIMER
OUT
CHRG
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
T
JMAX
= 125°C, θ
JA
= 40°C/W (NOTE 3)
EXPOSED PAD IS GROUND (PIN 11)
MUST BE SOLDERED TO PCB
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/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ORDER PART NUMBER
DD PART MARKING
LTC4062EDD LBJT