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LTC4064 데이터시트(PDF) 2 Page - Linear Technology

부품명 LTC4064
상세설명  Monolithic Linear Charger for Back-Up Li-Ion Batteries
PDF  16 Pages
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제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LTC4064 데이터시트(HTML) 2 Page - Linear Technology

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LTC4064
2
sn4064 4064fs
Input Supply Voltage (VCC) ..................................... 10V
BAT ......................................................................... 10V
NTC, SHDN, TIMER, PROG ............ –0.3V to VCC + 0.3V
CHRG, FAULT, ACPR ................................ –0.3V to 10V
BAT Short-Circuit Duration .......................... Continuous
BAT Current (Note 2) ............................................. 1.3A
PROG Current (Note 2) ....................................... 1.3mA
Junction Temperature .......................................... 125°C
Operating Temperature Range (Note 3) ...–40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
(Note 1)
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
VCC Supply Voltage
●
4.25
6.5
V
ICC
VCC Supply Current
Charger On; Current Mode; RPROG = 30k (Note 5)
●
12
mA
Shutdown Mode; VSHDN = 0V
●
25
50
µA
Sleep Mode VCC < VBAT or VCC ≤ 4V
●
25
50
µA
VFLOAT
VBAT Regulated Float Voltage
●
3.96
4.00
4.04
V
IBAT
Battery Pin Current
RPROG = 3k; Current Mode
●
465
500
535
mA
RPROG = 15k; Current Mode
●
93
100
107
mA
Shutdown Mode; VSHDN = 0V
±1
±3
µA
Sleep Mode VCC < VBAT or VCC < (VUV – ∆VUV)
±1
±3
µA
ITRIKL
Trickle Charge Current
VBAT < 2V; RPROG = 3k
●
35
50
65
mA
VTRIKL
Trickle Charge Trip Threshold Voltage
VBAT Rising
2.48
V
∆VTRIKL
Trickle Charge Trip Hysteresis Voltage
100
mV
VUV
VCC Undervoltage Lockout Voltage
VCC Rising
●
4
4.25
V
∆VUV
VCC Undervoltage Lockout Hysteresis
200
mV
VMSD
Manual Shutdown Threshold Voltage
SHDN Pin Voltage
0.6
1.3
V
VASD
Automatic Shutdown Threshold Voltage (VCC - VBAT) High to Low
35
mV
(VCC - VBAT) Low to High
70
mV
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ORDER PART
NUMBER
LTC4064EMSE
TJMAX = 125°C, θJA = 40°C/W (Note 4)
EXPOSED PAD IS GND, (PIN 11)
MUST BE SOLDERED TO PCB
1
2
3
4
5
CHRG
VCC
FAULT
TIMER
GND
10
9
8
7
6
ACPR
BAT
SHDN
PROG
NTC
TOP VIEW
MSE EXPOSED PAD PACKAGE
10-LEAD PLASTIC MSOP
11
MSE PART MARKING
LTAHQ



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