LTC4054 데이터 시트보기 (PDF) - Linear Technology
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LTC4054 Datasheet PDF : 16 Pages
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LTC4054-4.2/LTC4054X-4.2
ABSOLUTE AXI U RATI GS
(Note 1)
Input Supply Voltage (VCC) ....................... –0.3V to 10V
PROG ............................................. – 0.3V to VCC + 0.3V
BAT .............................................................. –0.3V to 7V
CHRG ........................................................ –0.3V to 10V
BAT Short-Circuit Duration .......................... Continuous
BAT Pin Current ................................................. 800mA
PROG Pin Current ................................................ 800µA
Maximum Junction Temperature .......................... 125°C
Operating Ambient Temperature Range
(Note 2) .............................................. – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 125°C
Lead Temperature (Soldering, 10 sec).................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
CHRG 1
GND 2
BAT 3
5 PROG
4 VCC
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
TJMAX = 125°C, (θJA = 80°C/ W TO
150°C/W DEPENDING ON PC BOARD LAYOUT)
(N0TE 3)
ORDER PART
NUMBER
LTC4054ES5-4.2
LTC4054XES5-4.2
S5 PART MARKING
LTH7
LTADY
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, unless otherwise noted.
SYMBOL
VCC
ICC
VFLOAT
IBAT
ITRIKL
VTRIKL
VTRHYS
VUV
VUVHYS
VMSD
VASD
ITERM
VPROG
ICHRG
VCHRG
∆VRECHRG
PARAMETER
Input Supply Voltage
Input Supply Current
Regulated Output (Float) Voltage
BAT Pin Current
Trickle Charge Current
Trickle Charge Threshold Voltage
Trickle Charge Hysteresis Voltage
VCC Undervoltage Lockout Threshold
VCC Undervoltage Lockout Hysteresis
Manual Shutdown Threshold Voltage
VCC – VBAT Lockout Threshold Voltage
C/10 Termination Current Threshold
PROG Pin Voltage
CHRG Pin Weak Pull-Down Current
CHRG Pin Output Low Voltage
Recharge Battery Threshold Voltage
CONDITIONS
Charge Mode (Note 4), RPROG = 10k
Standby Mode (Charge Terminated)
Shutdown Mode (RPROG Not Connected,
VCC < VBAT, or VCC < VUV)
0°C ≤ TA ≤ 85°C, IBAT = 40mA
RPROG = 10k, Current Mode
RPROG = 2k, Current Mode
Standby Mode, VBAT = 4.2V
Shutdown Mode (RPROG Not Connected)
Sleep Mode, VCC = 0V
VBAT < VTRIKL, RPROG = 2k (Note 5)
RPROG = 10k, VBAT Rising (Note 5)
RPROG = 10k (Note 5)
From VCC Low to High
PROG Pin Rising
PROG Pin Falling
VCC from Low to High
VCC from High to Low
RPROG = 10k (Note 6)
RPROG = 2k
RPROG = 10k, Current Mode
VCHRG = 5V
ICHRG = 5mA
VFLOAT - VRECHRG
MIN TYP MAX
q 4.25
6.5
q
300 2000
q
200 500
q
25
50
4.158 4.2 4.242
q
93
100 107
q
465
500
535
q
0
–2.5
–6
±1
±2
±1
±2
q
20
45
70
2.8
2.9
3.0
60
80
110
q
3.7
3.8
3.92
q
150
200
300
q 1.15 1.21 1.30
q
0.9
1.0
1.1
70
100 140
5
30
50
q 0.085 0.10 0.115
q 0.085 0.10 0.115
q
0.93
1.0
1.07
8
20
35
0.35
0.6
100 150 200
UNITS
V
µA
µA
µA
V
mA
mA
µA
µA
µA
mA
V
mV
V
mV
V
V
mV
mV
mA/mA
mA/mA
V
µA
V
mV
405442xf
2
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