LTC4095
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2, 3)
Input Supply Voltage (IN)
t < 1ms and Duty Cycle < 1% .................. –0.3V to 7V
Steady State............................................. –0.3V to 6V
BAT, SUSP, ⎯C⎯H⎯R⎯G Voltage............................ –0.3V to 6V
PROG, NTC, HPWR
Voltage............................ –0.3V to Max (IN, BAT) + 0.3V
IBAT .............................................................................1A
IPROG ...................................................................1.25mA
I⎯C⎯H⎯R⎯G ......................................................................50mA
Junction Temperature ........................................... 125°C
Operating Temperature Range ................. –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
PACKAGE/ORDER INFORMATION
TOP VIEW
BAT 1
8 IN
GND 2
7 PROG
9
CHRG 3
6 NTC
SUSP 4
5 HPWR
DC PACKAGE
8-LEAD (2mm × 2mm) PLASTIC DFN
TJMAX = 125°C, θJA = 60°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER DC PART MARKING
LTC4095EDC
LCLG
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.
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. IN = HPWR = 5V, BAT = 3.8V, NTC = SUSP = 0V, RPROG = 1.74k unless
otherwise specified.
SYMBOL PARAMETER
Battery Charger
IN
Input Supply Voltage
IIN
Battery Charger Quiescent Current
(Note 4)
VFLOAT
BAT Regulated Output Voltage
ICHG
Constant-Current Mode Charge Current
IBAT
Battery Drain Current
VUVLO
ΔVUVLO
VDUVLO
ΔVDUVLO
PROG
Undervoltage Lockout Threshold
Undervoltage Lockout Hystersis
Differential Undervoltage Lockout
Threshold
Differential Undervoltage Lockout
Hysteresis
PROG Pin Servo Voltage
hPROG
ITRKL
VTRKL
ΔVTRKL
ΔVRECHRG
Ratio of IBAT to PROG Pin Current
Trickle Charge Current
Trickle Charge Threshold Voltage
Trickle Charge Hysteresis Voltage
Recharge Battery Threshold Voltage
CONDITIONS
Standby Mode; Charger Terminated
Suspend Mode; SUSP = 5V
0°C ≤ TA ≤ 85°C
HPWR = 5V
HPWR = 0V
Standby Mode; Charger Terminated
Shutdown Mode; IN < VUVLO, BAT = 4.2V
Suspend Mode; SUSP = 5V, BAT = 4.2V
BAT = 3.5V, IN Rising
BAT = 3.5V
BAT = 4.05V, (IN – BAT), IN Falling
BAT = 4.05V
HPWR = 5V
HPWR = 0V
BAT < VTRKL
BAT < VTRKL
BAT Rising
Threshold Voltage Relative to VFLOAT
MIN
● 4.3
4.179
4.165
● 440
84
3.875
25
37
2.8
–75
TYP
200
8.5
4.200
4.200
460
92
–3.5
–2.0
–1.3
4.0
200
40
125
1.000
0.200
0.100
800
46
2.9
100
–95
MAX
5.5
400
17
4.221
4.235
500
100
–7
–4
–3
4.125
60
55
3.0
–115
UNITS
V
µA
µA
V
V
mA
mA
µA
µA
µA
V
mV
mV
mV
V
V
V
mA/mA
mA
V
mV
mV
4095fa
2