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ISL97650 Datasheet(PDF) 3 Page - Renesas Technology Corp

No. de pieza ISL97650
Descripción Electrónicos  4-Channel Integrated LCD Supply
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Fabricante Electrónico  RENESAS [Renesas Technology Corp]
Página de inicio  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL97650 Datasheet(HTML) 3 Page - Renesas Technology Corp

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ISL97650
FN9198 Rev.4.00
Page 3 of 20
April 17, 2009
VBOOST
Boost Output Range
1.25
*VIN
20
V
IBOOST
Boost Switch Current
Current limit
2.6
3.2
3.8
A
EFFBOOST
Peak Efficiency
See graphs and component
recommendations
90+
%
rDS(ON)
Switch On Resistance
160
300
m
VBOOST/VIN
Line Regulation
5V < VIN < 13V
0.4
1.0
%/V
VBOOST/IOUT Load Regulation
100mA < load < 200mA
0.1
0.5
%
VFBB
Boost Feedback Voltage
TA = +25°C
1.192
1.205
1.218
V
1.188
1.205
1.222
V
ACCBOOST
AVDD Output Accuracy
TA = +25°C
-1.5
1.5
%
tss
Soft-Start Period for AVDD
CDEL = 220nF
9.6
ms
VLOGIC BUCK
VBUCK
Buck Output Voltage
Output current = 0.5A
1.5
5.5
V
IBUCK
Buck Switch Current
Current limit
2.0
2.4
2.9
A
EFFBUCK
Peak Efficiency
See graphs and component
recommendations
92
%
RDS-ONBK
Switch ON-Resistance
200
400
m
VBUCK/VIN
Line Regulation
5V < VIN < 13V
0.1
1.0
%/V
VBUCK/IOUT
Load Regulation
100mA < load < 500mA
0.2
1
%
VFBL
FBL Regulation Voltage
TA = +25°C
1.176
1.2
1.224
V
1.174
1.2
1.226
V
ACCLOGIC
VLOGIC Output Accuracy
TA = +25°C
-2
2
%
tssL
Soft-Start Period for V(Logic)
C(VREF) = 220nF (Note - no soft-start if EN
asserted HIGH before ENB)
0.5
ms
NEGATIVE (VOFF) CHARGE PUMP
VOFF
VOFF Output Voltage Range
2X Charge Pump
-VSUP
+1.4V
0V
ILoad_NCP_min
External Load Driving Capability
VSUP > 5V
30
mA
Ron(NOUT)H
High-Side Driver ON-Resistance at
NOUT
I(NOUT) = +60mA
10
Ron(NOUT)L
Low-Side Driver ON-Resistance at
NOUT
I(NOUT) = -60mA
5
Ipu(NOUT)lim
Pull-Up Current Limit in NOUT
V(NOUT) = 0V to V(SUP)-0.5V
60
270
mA
Ipd(NOUT)lim
Pull-Down Current Limit in NOUT
V(NOUT) = 0.36V to V(VSUP)
-200
-60
mA
I(NOUT)leak
Leakage Current in NOUT
V(FBN) < 0 or EN = LOW
-5
5
µA
VFBN
FBN Regulation Voltage
TA = +25°C
0.173
0.203
0.233
V
0.171
0.203
0.235
V
ACCN
VOFF Output Accuracy
IOFF = 1mA, TA = +25°C
-3
+3
%
D_NCP_max
Max Duty Cycle of the Negative Charge
Pump
50
%
Rpd(FBN)off
Pull-Down Resistance, Not Active
I(FBN) = 500µA
1.5
3.3
5.5
k
Electrical Specifications
VIN = 12V, VBOOST = VSUP = 15V, VON = 25V, VOFF = -8V, over-temperature from -40°C to +105°C, unless
otherwise stated. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise
specified. Temperature limits established by characterization and are not production tested. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT


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