參數(shù)資料
型號: LTC1505
廠商: Linear Technology Corporation
英文描述: Constant-Current/Voltage High Efficiency Battery Charger(恒定電流/電壓,高效率電池電荷控制器)
中文描述: Constant-Current/Voltage高效電池充電器(恒定電流/電壓,高效率電池電荷控制器)
文件頁數(shù): 5/16頁
文件大?。?/td> 197K
代理商: LTC1505
5
LT1505
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
I
BAT
(A)
0
E
105
100
95
90
85
80
4
1505 G01
1
2
3
5
V
IN
= 19V
V
BAT
= 12.6V
Efficiency of Figure 1 Circuit
I
VA
(mA)
0
V
F
4
3
2
1
0
0.8
1505 G04
0.2
0.1
0.3
0.5
0.7
0.9
0.4
0.6
1.0
125
°
C
25
°
C
V
CC
(V)
15
14
13
12
11
10
I
C
1505 G06
10
13
16
19
22
25
0
°
C
25
°
C
125
°
C
I
GBIAS
(mA)
9.2
9.1
9.0
8.9
8.8
8.7
8.6
8.5
8.4
8.3
8.1
V
G
1505 G02
0
–2 –4 –6 –8 –10 –12 –14 –16 –18 –20
0
°
C
25
°
C
125
°
C
V
GBIAS
vs I
GBIAS
V
FB
vs I
VA
(Voltage Amplifier)
TEMPERATURE (
°
C)
0
25
50
75
100
T
125
1505 G05
98
96
94
92
90
88
Current Limit Amplifier
CL1 Threshold
I
CC
vs V
CC
JUNCTION TEMPERATURE (
°
C)
0
R
2.470
2.468
2.466
2.464
2.462
2.460
2.458
25
50
75
100
1505 G09
125
150
Reference Voltage vs Temperature
V
PROG
(V)
0
1
2
3
5
4
I
P
6
0
–6
1505 G07
125
°
C
CURRENT FEEDBACK
AMPLIFIER OPEN LOOP
25
°
C
PROG Pin Characteristics
V
C
(V)
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
I
V
1505 G08
0
0.4 0.6
0.2
0.8 1.0 1.2 1.4 1.6 1.8 2.0
V
C
Pin Characteristics
V
REF
Line Regulation
V
CC
(V)
0
V
R
0.003
0.002
0.001
0
–0.001
–0.002
–0.003
5
10
15
20
1505 G03
25
30
ALL TEMPERATURES
0
°
C
T
J
125
°
C
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