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LP6288 Datasheet(PDF) 8 Page - Lowpower Semiconductor inc

Part # LP6288
Description  Multi-Channel DC-DC Converter for LCD Panels
PDF  24 Pages
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Manufacturer  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP6288 Datasheet(HTML) 8 Page - Lowpower Semiconductor inc

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Preliminary Datasheet
LP6288
Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 8 of 24
LP6288
Version 0.1 JAN.-2018
Electrical Characteristics (Continued)
(TA=25°C, VLI= VBKI1,3=12V, VAVDD=16.8V, VIO=3.3V, VCORE=1.2V, VHAVDD=8.1V, VGH=28V, VGL=-10.3V, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Isolation Switch
Switch Supply Voltage
VVLI
8
20
V
SWI Over Voltage Protection
VOVP
20.5
21.5
22.5
V
SWI OVP Hysteresis
ΔVOVP
1.5
V
P-MOS Switch On Resistance
RDS_ISO
ILX=0.5A
100
200
mΩ
Switch Current
ILimit
3
A
Short Circuit Trigger Duration
ISWI ≥ 2.5A
1.5
ms
ISWI ≥ 4.5A
100
us
Boost Regulator
Switch Leak Current
ILeak
VLX=16.5V
1
10
uA
SWO Regulation Voltage Range
VSWO
VHVS=0V, Programmable
Step 0.1V
13.5
19.8
V
SWO Regulation Voltage Tolerance
-1
+1
%
HVS Voltage
VHVS
Programmable Step 0.2V
0
3
V
NMOS Switch-ON Resistance
RDS_BSTN
ILX1=0.5A
100
mΩ
PMOS Switch-ON Resistance
RDS_BSTP
ILX1=0.1A
10
15
Ω
Current Limit
ILimit
4.25
5
5.75
A
Current Limit Negative Offset
ILimit_Offset
Programmable Step -0.2A
0
2.8
A
Soft Start Time
TSS_BST
Programmable Step 10ms
20
30
ms
SWO Line Regulation
8V≦VIN≦14V, ILoad=100mA
0.005
%/V
SWO Load Regulation
VIN=12V, 1mA≦ILoad≦2A
0.25
%/A
SWO Fault Trip Level
VSWO Falling
76
80
84
%
Transcocnductance
Gm
ΔI=5uA
240
uA/V
Voltage Gain
AV
1000
V/V
External Mode For Boost Regulator
Gate Output High Level
VOH_G
4.5
5.5
V
Gate Output Low Level
VOL_G
0
0.3
V
Gate Source Current
VSource_G
0.2
0.3
0.4
A
Gate Sink Current
VSink_G
0.2
0.3
0.4
A
External Mode Current Limit Set
Voltage
VLimit
0.24
0.3
0.36
V



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