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参数资料
| 型号： | LTC4160EUDC-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/32页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH POWER MANAGER 20-QFN |
| 标准包装： | 2,500 |
| 系列： | Bat-Track™, PowerPath™ |
| 功能： | 电源管理 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 4.35 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-QFN（3x4） |
| 包装： | 带卷 (TR) |
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LTC4160/LTC4160-1
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C (Note 2). V BUS = 5V, BAT = 3.8V, R CLPROG = 3.01k, unles s otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
I VOUT(POWERPATH) V OUT Current Available Before
Discharging Battery
V CLPROG
CLPROG Servo Voltage in Current Limit
1x Mode, BAT = 3.3V
5x Mode, BAT = 3.3V
10x Mode, BAT = 3.3V
Suspend Mode
Switching Modes
Suspend Mode
0.26
121
667
1217
0.34
1.183
100
0.43
mA
mA
mA
mA
V
mV
V UVLO
V DUVLO
V OUT
f OSC
V BUS Undervoltage Lockout
V BUS To BAT Differential Undervoltage
Lockout
V OUT Voltage
Switching Frequency
Rising Threshold
Falling Threshold
Rising Threshold
Falling Threshold
1x, 5x, 10x Modes, 0V < BAT ≤ 4.2V,
I VOUT = 0mA, Battery Charger Off
USB Suspend Mode, I VOUT = 250μA
3.95
3.5
4.5
1.8
4.3
4
200
50
BAT + 0.3
4.6
2.25
4.35
4.7
4.7
2.7
V
V
mV
mV
V
V
MHz
R PMOS_POWERPATH PMOS On-Resistance
R NMOS_POWERPATH NMOS On-Resistance
0.18
0.3
?
?
I PEAK_POWERPATH Peak Inductor Current Clamp
1x Mode (Note 5)
5x Mode (Note 5)
10x Mode (Note 5)
1
1.6
3
A
A
A
R SUSP
Suspend LDO Output Resistance
Closed Loop
10
?
PowerPath Switching Regulator – Step-Up Mode (USB On-The-Go)
V BUS
V OUT
I VBUS
I PEAK
I OTGQ
V CLPROG
Output Voltage
Input Voltage
Output Current Limit
Peak Inductor Current Limit
V OUT Quiescent Current
Output Current Limit Servo Voltage
0 ≤ I VBUS ≤ 500mA, V OUT > 3.2V
(Note 5)
V OUT = 3.8V, I VBUS = 0mA (Note 6)
l
4.75
2.9
550
680
1.8
1.6
1.15
5.25
4.2
V
V
mA
A
mA
V
V OUTUVLO
t SCFAULT
V OUT UVLO – V OUT Falling
V OUT UVLO – V OUT Rising
Short Circuit Fault Delay
PMOS Switch Off
2.5
2.6
2.8
7.2
2.9
V
V
ms
Overvoltage Protection
V OVCUTOFF
V OVGATE
t RISE
Overvoltage Protection Threshold
OVGATE Output Voltage
OVGATE Time To Reach Regulation
With 6.2k Series Resistor
V OVSENS < V OVCUTOFF
V OVSENS > V OVCUTOFF
OVGATE C LOAD = 1nF
6.1
6.42
1.88 ? V OVSENS
0
1.25
6.7
12
V
V
V
ms
Battery Charger
V FLOAT
I CHG
I BAT
BAT Regulated Output Voltage
Constant Current Mode Charger Current
Battery Drain Current
LTC4160
LTC4160-1
R PROG = 845Ω, 10x Mode R CLPROG ≤ 2.49k
R PROG = 5k, 5x or 10x Mode
V BUS > V UVLO , Suspend Mode,
I VOUT = 0μA
l
l
4.179
4.165
4.079
4.065
1120
185
4.2
4.2
4.1
4.1
1219
206
3.8
4.221
4.235
4.121
4.135
1320
223
6
V
V
V
V
mA
mA
μA
V BUS = 0V, I VOUT = 0μA
(Ideal Diode Mode)
8
12
μA
41601fa
3
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