ISL97642 Intersil Corporation, ISL97642 Datasheet - Page 3

• Manufacturer Part Number: ISL97642
• Description: TFT-LCD DC/DC
• Manufacturer: Intersil Corporation

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Electrical Specifications
Absolute Maximum Ratings
IN, CTL to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
COMP, FB, FBP, FBN, DEL, REF to AGND. . . . . -0.3V to V
PGND, BGND to AGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.3V
LX to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +24V
SUP to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +18V
DRVP, SRC to AGND . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +36V
POS1, NEG1, OUT1, POS2, NEG2, OUT2, POS3, OUT3,
DRVN to AGND . . . . . . . . . . . . . . . . . . . . . . . V
COM, DRN to AGND . . . . . . . . . . . . . . . . . . . . -0.3V to V
LX Maximum Continuous RMS Output Current . . . . . . . . . . . . . 1.6A
OUT1, OUT2, OUT3, OUT4, OUT5
Maximum Continuous Output Current . . . . . . . . . . . . . . . . . . ±75mA
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: T
SUPPLY
V
V
V
I
I
T
V
SHUTDN
MAIN BOOST REGULATOR
V
f
D
V
V
ΔV
ΔV
I
gmV
r
I
I
t
S
SS
OSC
FB
LEAK
LIM
SS
ON
IN
LOR
LOF
FD
REF
BOOST
FBB
FTB
CM
BOOST
BOOST
B
PARAMETER
LX
LX
LX
/ΔI
/ΔV
BOOST
IN
Input Supply Range
Undervoltage Lockout Threshold
Undervoltage Lockout Threshold
Quiescent Current
Quiescent Current - Switching
Fault Delay Time
Reference Voltage
Thermal Shutdown Temperature
Output Voltage Range
Oscillator Frequency
Maximum Duty Cycle
Boost Feedback Voltage
FB Fault Trip Level
Load Regulation
Line Regulation
Input Bias Current
FB Transconductance
LX ON-resistance
LX Leakage Current
LX Current Limit
Soft-Start Period
3
V
Unless Otherwise Specified.
DESCRIPTION
IN
(T
= 3V, V
A
= +25°C)
BOOST
IN
-20V to V
= V
SRC
J
SUP
= T
IN
IN
+0.3V
+0.3V
+0.3V
C
= 12V, V
= T
V
V
LX not switching
LX switching
C
T
(Note 1)
T
Falling edge
50mA < I
V
V
V
Duty cycle = 65% (Note 1)
C
dI = ±2.5µA at COMP, FB = COMP
ISL97642
A
A
IN
IN
IN
FB
FB
A
DEL
DEL
= +25°C
= +25°C
rising
falling
= 2.6V to 5.5V
= 1.35V
= 1.35V, V
= 100nF
= 100nF
SRC
LOAD
CONDITIONS
= 20V, Over-temperature from -40°C to +85°C.
Thermal Information
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Maximum Continuous Junction Temperature . . . . . . . . . . . . +125°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves
Operating Ambient Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
LX
< 250mA
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
= 13V
V
IN
1.187
1.192
1.188
1050
1.19
0.85
MIN
150
2.6
2.4
2.2
2.4
+15%
82
1.215
1.215
1.205
1.205
0.925
1200
TYP
0.08
0.02
140
160
200
2.5
2.3
0.1
2.8
23
85
5
7
1.235
1.238
1.218
1.222
1.020
MAX
1350
500
250
5.5
2.6
2.4
2.5
3.3
10
18
40
June 18, 2007
FN6436.0
UNIT
µA/V
kHz
%/V
mΩ
mA
mA
ms
ms
nA
µA
°C
%
%
V
V
V
V
V
V
V
V
V
A