參數(shù)資料
型號(hào): LTC4110EUHF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC38
封裝: 5 X 7 MM, 0.75 MM HEIGHT, PLASTIC, MO-220WHKD, QFN-38
文件頁數(shù): 50/52頁
文件大小: 450K
代理商: LTC4110EUHF
LTC4110
7
4110fb
4110 G01
500ns/DIV
5V/DIV
0V
VIN = 12V
VBAT = 12V (NiMH)
ILOAD (A)
EFFICIENCY
(%)
100
90
80
70
60
0
50
40
30
20
10
POWER
LOSS
(W)
2.5
2.0
1.5
0
1.0
0.5
4110 G07
0.05
0.2
0.1
0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.00
EFFICIENCY
POWER LOSS
VBAT (V)
0
I BA
T(μA)
15
4110 G06
25
20
10
5
40
35
30
20
10
25
15
5
0
4110 G04
0
5
10
15
25
20
VBAT (V)
I BA
T(μA)
140
120
100
80
60
40
20
–20
0
VBAT (V)
I BA
T(mA)
1200
1000
800
600
400
200
0
4110 G02
04
2
6
8
101214
PRE-CHARGE
CC
CV
DCIN (V)
I DCIN
(mA)
2.5
2.0
1.5
1.0
0.5
0
4110 G03
0
5
10
15
20
TYPICAL PERFORMANCE CHARACTERISTICS
Typical CHGFET and DCHFET
Waveforms
Output Charging Characteristics
Showing Constant Current and
Constant Voltage Operation
Supply Current vs DCIN Voltage in
Idle Mode
Battery Leakage in Idle
Mode – IBIDL
Battery Current in Backup
Mode – IBBU
Battery Leakage in Shutdown
Mode vs Battery Voltage
Charging Efciency/Power Loss,
12VIN and 12.6VOUT (Xfmr = BH
510-1019)
Soft-Start Waveform
Backup Mode On and Off
Waveform
4110 G05
0
5
10
15
25
20
VBAT (V)
I BA
T(mA)
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0
0.4
0.2
4110 G08
2ms/DIV
0.2A/DIV
0A
4110 G09
10ms/DIV
NiMH BATTERY (12V)
ILOAD = 3A
VIN = 15V FALLING
VBATTERY
3V/DIV
VBACKUP
2V/DIV
0V
相關(guān)PDF資料
PDF描述
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