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LTC4054L Datasheet(PDF) 2 Page - Linear Technology

Part # LTC4054L
Description  150mA Standalone Linear Li-Ion Battery Charger in ThinSOT
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4054L Datasheet(HTML) 2 Page - Linear Technology

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2
LTC4054L-4.2
4054l42f
(Note 1)
Input Supply Voltage (VCC) ....................... –0.3V to 10V
PROG ............................................. – 0.3V to VCC + 0.3V
CHRG ........................................................ –0.3V to 10V
BAT ............................................................. – 0.3V to 7V
BAT Short-Circuit Duration .......................... Continuous
BAT Pin Current ................................................. 200mA
PROG Pin Current ................................................ 1.5mA
Maximum Junction Temperature .......................... 125
°C
Operating Temperature Range (Note 2) .. – 40
°C to 85°C
Storage Temperature Range ................. – 65
°C to 125°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
TJMAX = 125°C, θJA = 80°C/ W TO 150°C/W
DEPENDING ON PC BOARD LAYOUT (NOTE 3)
ORDER PART
NUMBER
S5 PART MARKING
LTC4054LES5-4.2
LTAFA
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Supply Voltage
q
4.25
6.5
V
ICC
Supply Current
Charge Mode (Note 4), RPROG = 1k
q
1200
2000
µA
Standby Mode (Charge Terminated)
q
200
500
µA
Shutdown Mode (RPROG Not Connected,
q
25
50
µA
VCC < VBAT, or VCC < VUV)
VFLOAT
Regulated Output (Float) Voltage
0
°C ≤ TA ≤ 85°C, IBAT = 40mA
4.158
4.2
4.242
V
IBAT
BAT Pin Current
RPROG = 15k, Current Mode
q
9.3
10
10.7
mA
RPROG = 1k, Current Mode
q
142.5
150
157.5
mA
Standby Mode, VBAT = 4.2V
q
0
–2.5
–6
µA
Shutdown Mode (RPROG Not Connected)
±1
±2
µA
Sleep Mode, VCC = 0V
±1
±2
µA
ITRIKL
Trickle Charge Current
VBAT < VTRIKL, RPROG = 1k (IBAT = 150mA) q
515
25
mA
VTRIKL
Trickle Charge Threshold Voltage
RPROG = 15k, VBAT Rising
2.8
2.9
3
V
VTRHYS
Trickle Charge Hysteresis Voltage
RPROG = 15k
60
80
110
mV
VUV
VCC Undervoltage Lockout Threshold Voltage
From VCC Low to High
q
3.7
3.8
3.92
V
VUVHYS
VCC Undervoltage Lockout Hysteresis Voltage
q
150
200
300
mV
VMSD
Manual Shutdown Threshold Voltage
PROG Pin Rising
q
1.15
1.21
1.30
V
PROG Pin Falling
q
0.9
1.0
1.1
V
VASD
VCC – VBAT Lockout Threshold Voltage
VCC from Low to High
70
100
140
mV
VCC from High to Low
5
30
50
mV
ITERM
C/10 Termination Current Threshold
RPROG = 15k (IBAT = 10mA) (Note 5)
q
0.085
0.10
0.115
mA/mA
RPROG = 1k (IBAT = 150mA) (Note 5)
q
0.088
0.10
0.112
mA/mA
VPROG
PROG Pin Voltage
RPROG = 1k, Current Mode
q
0.93
1
1.07
V
ICHRG
CHRG Pin Weak Pull-Down Current
VCHRG = 5V
8
20
35
µA
VCHRG
CHRG Pin Output Low Voltage
ICHRG = 5mA
0.35
0.6
V
∆VRECHRG
Recharge Battery Hysteresis Voltage
VFLOAT – VRECHRG
100
150
200
mV
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, unless otherwise noted.
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
ELECTRICAL CHARACTERISTICS
Consult LTC Marketing for parts specified with wider operating temperature ranges.
CHRG 1
GND 2
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
BAT 3
5 PROG
4 VCC


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