参数资料
型号: LTC4101EG#PBF
厂商: Linear Technology
文件页数: 6/30页
文件大小: 0K
描述: IC CNTRLR BATT CHRG 24-SSOP
标准包装: 59
功能: 充电管理
电池化学: 智能电池
电源电压: 6 V ~ 28 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.209",5.30mm 宽)
供应商设备封装: 24-SSOP
包装: 管件
LTC4101
TYPICAL PERFORMANCE CHARACTERISTICS
INFET Response Time to
T A = 25°C, unless otherwise noted.
Reverse Current
Output Voltage vs Output Current
PWM Frequency vs Duty Cycle
V gs = 0
V gs OF PFET (2V/DIV)
0
–0.5
350
300
–1.0
–1.5
250
V s OF PFET (5V/DIV)
–2.0
–2.5
200
–3.0
150
PROGRAMMED CURRENT = 10%
V s = 0V
I d = 0A
I d (REVERSE) OF
PFET (5A/DIV)
1.25μs/DIV
–3.5
–4.0
–4.5
–5.0
0
V DCIN = 20V
V PROG = 4.176V
I PROG = 4V
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
100
50
0
0
DCIN = 9V
DCIN = 12V
DCIN = 24V
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
TEST PERFORMED ON DEMOBOARD
OUTPUT CURRENT (A)
DUTY CYCLE (V OUT /V IN )
V IN = 15V DC
CHARGER = ON
I CHARGE = <10mA
V CHARGE = 4.2V
INFET = 1/2 Si4925DY
4101 G01
4101 G02
4101 G03
Disconnect/Reconnect Battery
Battery Leakage Current
(Load Dump)
40
vs Battery Voltage
VDCIN = 0V
100
Ef?ciency at V PROG = 4.208V
3A STEP
35
96
V IN = 8V
V FLOAT
1V/(DIV)
1A STEP
1A STEP
30
25
20
92
88
V IN = 20V
15
84
LOAD
STATE
DISCONNECT
3A STEP
RECONNECT
10
80
5
0
76
72
LOAD CURRENT = 1A, 2A, 3A
0
5
10 15 20
25
30
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
DCIN = 12V
V FLOAT = 4.2V
4101 G04
BATTERY VOLTAGE (V)
4101 G05
I OUT (A)
4101 G06
SMBus Accelerator Operation
Low Current Operation
V DD = 5V
5V C BUS = 200pF
0.6
0.5
V DD = 5V
V BAT = 4V
V DCIN = 20V
V PROG = 4.208V
0.4
LTC4101
0.3
NO LOW
CURRENT
MODE
R PULLUP = 15k
0.2
PROGRAMMED
CURRENT
0V
0.1
LOW
CURRENT
MODE
1μs/DIV
4101 G07
0
0
0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40
I PROG (A)
4101 G08
4101fa
6
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