isl97652 Intersil Corporation, isl97652 Datasheet - Page 3

• Manufacturer Part Number: isl97652
• Description: 4-channel Integrated Lcd Supply With Dual Vcom Amplifiers
• Manufacturer: Intersil Corporation

Electrical Specifications
ΔV
ΔV
V
Dmax_boost
Dmin_boost
A
R
SWI
IdelayFET
FETtimeout
Ipull-Down
V
SWI
VDS
VDS
V
I
EFF
R
ΔV
ΔV
V
Dmax_buck
Dmin_buck
NEGATIVE (V
V
ILoad_NCP_min External Load Driving Capability
BUCK
FB
VDD
GATE
LOGIC
FBB
OFF
PD
DS(ON) BK
PARAMETER
BOOST
BOOST
BUCK
BUCK
MAX
LEAK
BUCK
OK
HYS
DELAY SWITCH
/ΔV
/ΔI
BUCK
/ΔV
/ΔI
OUT
IN
OUT
IN
OFF
) CHARGE PUMP
Line Regulation
Load Regulation
Boost Feedback Voltage
Boost Maximum Duty Cycle
Boost Minimum Duty Cycle
R
Maximum SWI Voltage
Delay FET RMS Current Limit
Delay FET Fault Timeout
Pull-down Current Applied to FET Gate and
SUI
SUI Voltage When Switch is Fully Switched
On
SWI Leakage Current When Disabled
Drain Source Voltage When Boost is Enabled SWI =16.5V
Hysteresis on VDS
Buck Switch Current
Peak Efficiency
Switch On Resistance
Line Regulation
Load Regulation
FBL Regulation Voltage
Buck Maximum Duty Cycle
Buck Minimum Duty Cycle
V
OFF
DS(ON)
Output Voltage Range
3
DESCRIPTION
V
otherwise stated. (Continued)
IN
OK
= 12V, V
Spec
BOOST
= V
SUP
= 15V, V
V
See graphs and component
F
V
V
see “Typical Performance Curves”
on page 6
100mA to 500mA, see “Typical
Performance Curves” on page 6
T
FOSC = 650kHz
FOSC = 1.3MHz
FOSC = 650kHz
FOSC = 1.3MHz
I(SWO) > IdelayFET
EN1 = EN2 = 0V
SWI =16.5V
Current limit
recommendations
V
see “Typical Performance Curves”
on page 6
200mA to 1000mA, see “Typical
Performance Curves” on page 6
F
F
F
1X Charge Pump
ISL97652
T
A
OSC
OSC
OSC
OSC
IN
IN
IN
SUP
A
= +25°C
= +25°C
= 8V to 12V at I
= 8V to 12V at I
= 15V, SWI = 21V, SWO = 0V,
>5V
= 650kHz
= 1.3MHz
= 650kHz
= 1.3MHz
ON
CONDITIONS
= 25V, V
LOAD
LOAD
OFF
= -8V, over temperature from -40°C to +85°C, unless
= 200mA,
= 200mA,
V
SUP
1.252
1.240
1.252
1.240
MIN
1.5
2.5
21
30
+ 1.4V
V(SWI) - 5
1.265
1.265
1.265
1.265
TYP
0.08
15.7
0.05
180
100
170
0.5
1.4
0.1
90
10
85
20
65
85
90
85
10
20
2
1.278
1.290
1.278
1.290
MAX
240
250
November 2, 2007
1
0
FN9287.1
UNIT
mΩ
mΩ
mA
µA
µA
µs
%
%
%
%
%
%
%
%
%
%
%
%
%
V
V
V
A
V
V
V
A
V
V
V