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LTC4009 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC4009
Description  High Effi ciency, Multi-Chemistry Battery Charger
PDF  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4009 Datasheet(HTML) 5 Page - Linear Technology

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5
4009fb
LTC4009
LTC4009-1/LTC4009-2
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency at DCIN = 20V, BAT = 8V
VFB Line Regulation
TEST CIRCUITS
–
–
–
+
10
13
12
1.2085V
1.2085V
TARGET
PROG
VFB
ITH
4009 TC01
LTC4009
0.6V
EA
FROM ICL
(CLP = CLN)
–
+
LTC1055
–
–
–
+
11
13
12
1.2085V
TARGET VARIES
WITH FVS0,1
PROG
BAT
ITH
4009 TC02
LTC4009-1
LTC4009-2
0.6V
EA
FROM ICL
(CLP = CLN)
–
+
LTC1055
CHARGE CURRENT (A)
0
80
85
90
95
100
100
1000
10000
0.5
1.0
1.5
2.0
4009 G01
2.5
3.0
POWER LOSS
EFFICIENCY
RSENSE = 33mΩ
RIN = 3.01k
Efficiency at DCIN = 20V, BAT = 12V
CHARGE CURRENT (A)
0
80
85
90
95
100
100
1000
10000
0.5
1.0
1.5
2.0
4009 G02
2.5
3.0
POWER LOSS
EFFICIENCY
RSENSE = 33mΩ
RIN = 3.01k
Efficiency at DCIN = 20V, BAT = 16V
CHARGE CURRENT (A)
0
80
85
90
95
100
100
1000
10000
0.5
1.0
1.5
2.0
4009 G03
2.5
3.0
POWER LOSS
EFFICIENCY
RSENSE = 33mΩ
RIN = 3.01k
CLP (V)
5
0.02
0.06
0.10
25
4009 G04
–0.02
–0.06
0
0.04
0.08
–0.04
–0.08
–0.10
10
15
20
30
LTC4009 TEST CIRCUIT
BAT (V)
0
75
100
150
175
200
10
20
25
300
4009 G05
125
515
225
250
275
CLP = BAT + 3V
(CLP ≥ 6V)
FBDIV RON vs BAT
(TA = 25°C unless otherwise noted. DIN = SSB44, L = IHLP-2525 6.8μH)



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