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LTC4064 데이터시트(PDF) 5 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) 5 Page - Linear Technology

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LTC4064
5
4064f
TYPICAL PERFOR A CE CHARACTERISTICS
PROG Pin Voltage
vs Charge Current
PROG Pin Voltage vs VCC
Constant Current Mode
PROG Pin Voltage vs Temperature
Constant Current Mode
CHARGE CURRENT (mA)
0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
400
4064 G10
100
200
300
500
350
50
150
250
450
VCC = 5V
TA = 25°C
RPROG = 3k
VCC (V)
4
1.485
1.490
1.495
1.500
1.505
1.515
4.5
5
5.5
6
4064 G11
6.5
7
1.510
VBAT = 3.5V
TA = 25°C
RPROG = 3k
TEMPERATURE (
°C)
–50
1.485
1.490
1.495
1.500
1.505
1.515
–25
025
50
4064 G12
75
100
1.510
VCC = 5V
VBAT = 4V
RPROG = 3k
Trickle Charge Current
vs Temperature
CHRG Pin Weak Pull-Down
Current vs Temperature
CHRG Pin Output Low Voltage
vs Temperature
TEMPERATURE (
°C)
–50
–25
7
9
12
0
50
75
4064 G13
8
11
10
25
100
125
VBAT = 2V
TA = 25°C
RPROG = 3k
TEMPERATURE (
°C)
–50
25
26
28
29
30
35
32
0
50
75
4064 G14
27
33
34
31
–25
25
100
125
VCC = 5V
IBAT < C/10
TEMPERATURE (
°C)
–50
0.4
0.5
0.6
25
75
4064 G15
0.3
0.2
–25
0
50
100
125
0.1
0
VCC = 5V
ICHRG = 5mA
Timer Error vs Temperature
TEMPERATURE (
°C)
–50
–5
–4
–2
–1
0
5
2
0
50
75
4064 G16
–3
3
4
1
–25
25
100
125
VCC = 5V
CTIMER = 0.1µF
Timer Error vs VCC
VCC (V)
4
–5
–3
–1
1
4.5
5
5.5
6
4064 G17
6.5
3
5
–4
–2
0
2
4
7
TA = 25°C
CTIMER = 0.1µF



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