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LP78070 Datasheet(PDF) 4 Page - Lowpower Semiconductor inc

Part # LP78070
Description  800mA
PDF  7 Pages
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Manufacturer  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP78070 Datasheet(HTML) 4 Page - Lowpower Semiconductor inc

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LP78070-00
Jun.-2017
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 4 of 7
初步数据表
LP78070
电气参数
(TA=25℃，VIN=5V，除非特别注明)
参数
符号
测试条件
最小值
典型值
最大值
单位
充电输入电压
VIN
4.4
5
5.5
V
输入欠压阈值
VUVLO
3.6
V
输入欠压迟滞电压
VUVLO_HYS
200
mV
自适应电压
VREG
IIN_LIM=500mA
4.4
V
充满电压
VFLOAT
4.158
4.2
4.242
V
电池漏电流
IBAT
VIN=5V，升压关断
9
uA
VIN=NC，升压关断
0.2
uA
VIN=NC，升压 3 挡，空载
7
uA
涓流充电电压阈值
VTRIKL
1.9
V
再充电电压阈值
ΔVRECHRG
180
mV
涓流充电电流
ITRIKL
1 挡、2 挡
180
mA
3 挡
300
mA
恒流充电电流
ICHRG
1 挡、2 挡
800
mA
3 挡
1200
mA
电池低压提示电压
3.05
V
电池终止放电电压
2.9
V
FB 基准电压
VFB
1 挡
0.6
V
2 挡
0.9
V
3 挡
1.2
V
升压开关频率
fOSC
900
KHz
升压功率 NMOS 内阻
RDS(ON)
100
mΩ
DR NMOS 内阻
RDS(ON)_DR
250
mΩ
LED0/LED1/LED2 驱动电流
5
mA
手电筒驱动电流
20
mA
按键最小有效时间
25
ms



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