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LTC1732-4 数据表(PDF) 2 Page - Linear Technology

部件名 LTC1732-4
功能描述  Lithium-Ion Linear Battery Charger Controller
PDF  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1732-4 数据表(HTML) 2 Page - Linear Technology

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LTC1732-4/LTC1732-4.2
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Input Supply Voltage
q
4.5
12
V
ICC
Input Supply Current
Charger On, Current Mode
q
13
mA
Shutdown Mode
q
13
mA
Sleep Mode (Battery Drain Current)
7
20
µA
VBAT
Regulated Output Voltage
LTC1732-4; 5V
≤ VCC ≤ 12V, VSEL = GND
q
4.059
4.1
4.141
V
LTC1732-4/LTC1732-4.2; 5V
≤ VCC ≤ 12V, VSEL = VCC
q
4.158
4.2
4.242
V
IBAT
Current Mode Charge Current
RPROG = 19.6k, RSENSE = 0.2Ω
465
500
535
mA
RPROG = 19.6k, RSENSE = 0.2Ω
q
415
585
mA
RPROG = 97.6k, RSENSE = 0.2Ω
60
100
140
mA
ITRIKL
Trickle Charge Current
VBAT = 2V, RPROG = 19.6k, ITRIKL = (VCC – VSENSE)/0.2Ω q
30
50
110
mA
VTRIKL
Trickle Charge Threshold Voltage
From Low to High
q
2.35
2.457
2.55
V
VUV
VCC Undervoltage Lockout Voltage
From Low to High
q
4.1
4.5
V
∆VUV
VCC Undervoltage Lockout Hysteresis
200
mV
VMSD
Manual Shutdown Threshold Voltage
PROG Pin Low to High
2.457
V
PROG Pin High to Low
2.446
V
VASD
Automatic Shutdown Threshold Voltage
(VCC – VBAT) High to Low
30
54
90
mV
(VCC – VBAT) Low to High
40
69
100
mV
VDIS
Voltage Mode Disable Threshold Voltage
VDIS = VCC – VTIMER
0.4
V
IPROG
PROG Pin Current
Internal Pull-Up Current, No RPROG
2.5
µA
PROG Pin Source Current,
∆VPROG ≤ 5mV
q
300
µA
VPROG
PROG Pin Voltage
RPROG =19.6k
2.457
V
VACPR
ACPR Pin Output Low Voltage
IACPR = 5mA
0.7
1.2
V
ICHRG
CHRG Pin Weak Pull-Down Current
VCHRG = 1V
15
35
55
µA
VCHRG
CHRG Pin Output Low Voltage
ICHRG = 5mA
0.6
1.2
V
VSEL
SEL Pin Threshold
q
0.3
2
V
ORDER PART
NUMBER
(Note 1)
Input Supply Voltage (VCC) ................................... 13.2V
SENSE, DRV, BAT, SEL, TIMER, PROG,
CHRG, ACPR ......................................... – 0.3V to 13.2V
Operating Temperature Range (Note 2) .... – 40
° to 85°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
LTC1732EMS-4
LTC1732EMS-4.2
TJMAX = 140°C, θJA = 180°C/W
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER INFORMATION
MS10 PART MARKING
LTNJ
LTUA
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 6V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
1
2
3
4
5
BAT
SEL
CHRG
TIMER
GND
10
9
8
7
6
ACPR
SENSE
VCC
DRV
PROG
TOP VIEW
MS10 PACKAGE
10-LEAD PLASTIC MSOP
Consult factory for parts specified with wider operating temperature ranges.



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