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CS902-A-R 数据表(PDF) 9 Page - Richtek Technology Corporation

部件名 CS902-A-R
功能描述  Programmable Power Management IC for LCD Panels
PDF  15 Pages
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制造商  RICHTEK [Richtek Technology Corporation]
网页  http://www.richtek.com
标志 RICHTEK - Richtek Technology Corporation

CS902-A-R 数据表(HTML) 9 Page - Richtek Technology Corporation

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Conceptual
CS902-A-R
www.richtek.com
June 13, 2013
9
Conf
ident
ial
for
CSO
SYNC-BOOST CONVERTER (AVDD)
LXO Regulation Voltage Range
VLXO
HVS=0, programmable step 0.1V
13.5
19.8
V
LXO Regulation Voltage
Tolerance
-1%
+1%
HVS Voltage
VHVS
Programmable step 0.2V
0
3
V
Low Side LX On-Resistance
RDS(ON)
ILX = 500 mA.
100
m
Ω
Low Side LX Current Limit
ILIM
4.25
5
5.75
A
Low Side LX Current Limit
negative offset
current limit value=
Ityp - offset register value x 0.4(A)
0
2.8
A
Switch Leakage Current
Ileak
VLX = 16.5 V
1
10
uA
Soft-start time
--
10
20
ms
LXI Over-Voltage Protection
VOVP
VLXI rising, hysteresis = 1.5V
20.5
21.5
22.5
V
LXO Line Regulation
8V
≤ V
IN
≤ 14V, I
out = 1mA
±0.08
%/V
LXO Load Regulation
1mA
≤ I
out
≤ 2A
±1
%/A
Trans-Conductance of Error
Amplifier
Gm
240
uA/V
Gain of Error Amplifier
Av
1000
V/V
LXO Fault Trip Level
VLXO falling
80
%
High Side LX On-Resistance
RDS(ON)
ISW = 0.2A.
400
m
Ω
ISW
≥ 2.5A.
1.5
ms
Short-Circuit Trigger Duration
ISW
≥ 4.5A.
100
us
BUCK1 CONVERTER (VI/O)
OUTB1 Regulation Voltage
Range
VOUTB1
Programmable step 0.1V
2.2
3.7
V
OUTB1 Regulation Voltage
Tolerance
Iload = 10mA
-2%
+2%
V
LXB1 to VINB1 N-MOSFET
On-Resistance
RDS(ON)
ILXB1 = 500 mA
150
m
Ω
LXB1 Positive Current Limit
ILIM
3.0
3.5
4.0
A
LXB1 to PGND N-MOSFET
On-Resistance
6
Ω
OUTB1 Line Regulation
8V
≤ V
IN
≤ 14V, I
out = 1mA
0.005
%/V
OUTB1 Load Regulation
1mA
≤ I
out
≤ 2.5A
0.25
%/A
Soft Start Period
TSS
3
ms
OUTB1 Fault Trip Level
VOUTB1 falling
80
%
POSITIVE CHARGE PUMP CONTROLLER (VGH)



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