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LP78073A Datasheet(PDF) 5 Page - Lowpower Semiconductor inc

Part # LP78073A
Description  1A Charge 2.7A Synchronous Boost PMIC
PDF  10 Pages
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Manufacturer  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP78073A Datasheet(HTML) 5 Page - Lowpower Semiconductor inc

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LP78073A-01
Jun.-2015
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 5 of 10
Preliminary Datasheet
LP78073A
Electrical Characteristics
(TA = 25°C. VIN = 5V, unless otherwise noted.)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP.
MAX
UNITS
Charge
VIN
Adapter/USB Voltage Range
4
5
6
V
Iin
Input Supply Current
Charge Mode, RISET = 10k
300
2000
uA
Standby Mode (Charge Terminated)
200
500
Shutdown Mode (RISET Not Connected, VIN
< VBAT, or VIN < VUV)
25
50
VFLOAT
Regulated Output (Float) Voltage
0°C ≤ TA ≤ 85°C, IBAT = 40mA
4.158
4.2
4.242
V
IBAT
BAT Pin Current
RISET = 1k, Current Mode
1000
mA
RISET = 2k, Current Mode
500
Standby Mode, VBAT = 4.2V,EN=High
Shutdown Mode (RISET Not Connected)
Sleep Mode, VIN = 0V ,EN=0V
0
-200
±5
±5
-260
±8
±8
uA
ITRIKL
Trickle Charge Current
VBAT < VTRIKL, RISET = 2k
50
mA
VTRIKL
Trickle Charge Threshold Voltage
RISET = 10k, VBAT Rising
2.8
2.9
3.0
V
VTRHYS
Trickle Charge Hysteresis Voltage
RISET = 10k
120
mV
VUV
VIN Under voltage Lockout Threshold
From VIN Low to High
3.9
V
VUVHYS
VIN Under voltage Lockout Hysteresis
150
200
300
mV
VASD
VIN – VBAT Lockout Threshold Voltage
VIN from Low to High
70
100
140
mV
VIN from High to Low
5
30
50
mV
ITERM
C/10 Termination Current Threshold
RISET = 10k
10
%IBAT
RISET = 2k
10
%IBAT
VISET
ISET Pin Voltage
RISET = 10k, Current Mode
2
V
VSTAT
STAT Pin Output Low Voltage
ISTAT = 5mA
0.35
0.6
V
ΔVRESTAT
Recharge Battery Threshold Voltage
VFLOAT - VRESTAT
100
150
200
mV
TLIM
Junction Temperature in Constant Temperature Mode
150
°C
RON
Power FET “ON” Resistance (Between VIN and BAT)
300
mΩ
Boost(VBAT=3.5V, Vout=5V, TA=25
℃)
Vout
Output Voltage Range
2.5
5.4
V
UVLO
UVLO
1.5
2.5
V
Vfb
Feedback Voltage
784
800
816
mV
Ifb
Feedback Input Current
VFB=0.8V
50
nA
Fosc
Switching Frequency
1000
KHz
Duty
Maximum Duty Cycle
80
90
95
%
VENL
EN Input Low Voltage
0.4
V
VENH
EN Input High Voltage
1.4
V
ILimit
Low-side Current Limit
2.7
3
A
Rds(on)
High-side On Resistance
Vout=3.3V
110
mΩ
Low-side On Resistance
70
mΩ



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