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ISL97650 Datasheet(PDF) 5 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) 5 Page - Renesas Technology Corp

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ISL97650
FN9198 Rev.4.00
Page 5 of 20
April 17, 2009
Vth_VLOGIC(FBL) VLOGIC Buck Short Detection
V(FBL) falling less than
0.9
V
Vth_POUT(FBP)
POUT Charge Pump Short Detection
V(FBP) falling less than
0.9
V
Vth_NOUT(FBN)
NOUT Charge Pump Short Detection
V(FBN) rising more than
0.4
V
tFD
Fault Delay Time to Chip Turns Off
52
ms
START-UP SEQUENCING
tSTART-UP
Enable to AVDD Start Time
CDEL = 220nF
80
ms
IDELB_ON
DELB Pull-Down Current or Resistance
when Enabled by the Start-Up Sequence
VDELB > 0.9V
36
50
70
µA
VDELB < 0.9V
1.00
1.326
1.75
k
IDELB_OFF
DELB Pull-Down Current or Resistance
when Disabled
VDELB < 20V
500
nA
CDEL
Sequence Timing and Fault Time Out
Capacitor
10
220
nF
tVOFF
AVDD to VOFF
CDEL = 220nF
9
ms
tVON
VOFF to VON Delay
CDEL = 220nF
20
ms
tVON-SLICE
VON to VON-SLICE Delay
CDEL = 220nF
17
ms
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
Typical Performance Curves
FIGURE 1. BOOST EFFICIENCY
FIGURE 2. BOOST LOAD REGULATION
0
20
40
60
80
100
0
500
1000
1500
IO (mA)
VIN = 12V
VIN = 5V
VIN = 12V
VIN = 5V
0
0.02
0.04
0.06
0.08
0.10
0.12
0
500
1000
1500
2000
IO (mA)


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