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LTC4067EDE Datasheet(PDF) 3 Page - Linear Technology

Part # LTC4067EDE
Description  USB Power Manager with OVP and Li-Ion/Polymer Charger
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4067EDE Datasheet(HTML) 3 Page - Linear Technology

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LTC4067
3
4067f
The denotes the specifications which apply over the full operating
temperature range (Note 3), otherwise specifications are at TA = 25°C. Note 2 unless otherwise noted, VIN = 5V, VBAT = 3.7V,
VILIM0 = 0V, VILIM1 = 0V, RPROG = 2k, RCLPROG = 2k, VOVI = 0V, VNTC = VIN/2.
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIUVLO
IN Undervoltage Lockout
Rising Threshold
Falling Threshold
3.5
3.8
3.675
4V
V
VBUVLO
BAT Undervoltage Lockout
Rising Threshold
Falling Threshold
2.5
2.8
2.7
3V
Current Limit
RFWD,IN
On-Resistance of Input Power FET
IOUT = 200mA
220
ILIM
Input Current Limit
HPWR Mode: VILIM0 = VILIM1 = 5V
LPWR Mode
475
90
500
98
525
110
mA
mA
VCLPROG
CLPROG Pin Servo Voltage
HPWR Mode: VILIM0 = VILIM1 = VCC, VOUT = 4V
LPWR Mode : VOUT = 4V
0.95
0.18
1
0.2
1.05
0.22
V
V
ISS
Soft Start Inrush Current
RCLPROG = 4k, Short at OUT (Note 8)
0.3
mA/μs
Battery Charger
VFLOAT
Regulated Output Voltage
IBAT = –2mA
(0°C – 85°C); IBAT = –2mA
4.185
4.167
4.2
4.2
4.215
4.234
V
V
ICC-CHG
Constant-Current Mode Charge
Current
RPROG = 2k, No Load at OUT
RPROG = 1k, No Load at OUT, RCLPROG = 1k
470
940
500
1000
530
1060
mA
mA
ICHG(MAX)
Maximum Charge Current
RPROG = RCLPROG = 0 (Note 7)
2
A
VPROG
PROG Pin Servo Voltage
RPROG = 2k; IBAT = –500mA
RPROG = 1k; IBAT = –1A
RPROG = 2k, VBAT < VTRIKL, IBAT = ITRIKL
980
980
90
1000
1000
100
1020
1020
110
mV
mV
mV
IEOC
End-of-Charge BAT Current
VBAT = 4.2V; As A Ratio to Full BAT Charge Current
(ICC-CHG)
0.08
0.093
0.106
mA/mA
ITRIKL
Trickle Charge Current
VBAT = 2V
35
50
60
mA
VRECHRG
Recharge Battery Threshold Voltage VFLOAT – VRECHRG
65
100
135
mV
tTIMER
TIMER Period
1.7
2
2.3
hrs
Low Battery Trickle Charge Time
Percent of Total Charge Time, VBAT < 2.8V
25
%
TLIM
Junction Temperature in Constant
Temperature Mode
(Note 4)
105
°C
Ideal Diode
RFWD
On-Resistance, VON Regulation
VILIM0 = 0V, VILIM1 = 5V, VBAT = 4.3V, IOUT = –200mA,
Measured as ΔV/ΔI
200
RDIO,ON
On-Resistance VBAT to VOUT
VILIM0 = 0V, VILIM1 = 5V, VBAT = 4.3V, IOUT = –1A
220
VFWD
Voltage Forward Drop (VBAT – VOUT)VILIM0 = 0V, VILIM1 = 5V, VBAT = 4.3V, IOUT = –1mA
VILIM0 = 0V, VILIM1 = 5V, VBAT = 4.3V, IOUT = –200mA
VILIM0 = 0V, VILIM1 = 5V, VBAT = 4.3V, IOUT = –1A
10
25
70
240
40
mV
mV
mV
ID(MAX)
Ideal Diode Current Limit
VILIM0 = 0V, VILIM1 = 5V, VBAT = 4.3V (Notes 4, 5)
1.5
2.1
A
IGPU
GATE Pin Output Pull Up Current
VOUT > VBAT, VGATE = 0V
1.9
mA
IGPD
GATE Pin Output Pull Down Current VILIM0 = 0V, VILIM1 = 5V, VBAT = 4.3V, IOUT = 1A,
VGATE = 4.3V
1.9
mA


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