ISL97702 Intersil Corporation, ISL97702 Datasheet - Page 3

• Manufacturer Part Number: ISL97702
• Description: Boost
• Manufacturer: Intersil Corporation

Absolute Maximum Ratings
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 6V
V
LX to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
VDDOUT, NSYNC, FB0, FB1, SEL, NEN
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VDD+0.3V
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed.
Electrical Specifications
SUPPLY
VDD
I
LOGIC INPUTS – NEN, NSYNC, SEL
Rup
I
VHI
VLO
POWER-ON RESET – VDD
V
V
LX OUTPUT DRIVER
fosc
fsync
ton-min
toff-min
Ron
Ileak
Ipeak
SCHOTTKY DIODE – LX, V
Vdiode
FEEDBACK INPUTS AND SELECTION – FB0, FB1, SEL
Vref
Vref
I
I
OUT
DIS
IL
FB0
FB1
PARAMETER
RES_ON
RES_OFF
FB0
FB1
to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 31V
Supply Operating Voltage Range
Supply Current when Disabled
Pull-up Resistor
Leakage Current when Disabled
Logic High Threshold
Logic Low Threshold
Power On Reset Threshold
Power Off Threshold
LX Switching Frequency with Internal
Oscillator
LX Switching Frequency when
Externally Synchronized at NSYNC
Minimum On-Time
Minimum Off-time
(≥ Maximum Duty Cycle)
LX On-Resistance
LX Leakage Current
LX Peak Current Limit
Forward Voltage from LX to V
Input Reference Voltage on FB0
Input Reference Voltage on FB1
Input Current in FB0
Input Current in FB1
OUT
DESCRIPTION
3
VDD = 3.6V, GND = NEN = 0V, SEL = NSYNC = VDD, R1 = 390K, R2 = 39K, R3 = 26.1K,
L = 10µH, T
(T
A
= 25°C)
A
OUT
= -40°C to +85°C unless otherwise stated
OUT
NEN = VDD
Enabled, Input at GND
Disabled, Input at GND
VDD rising
VDD falling
FB1 = 0V, I(LX) > Ilim(LX)
FB1 = 0V, I(LX) < Ilim(LX)
I(LX) = 100mA
NEN = VDD, V(LX) = 30V
t > 8.32ms (end of soft-start)
I = 10mA, T
I = 10mA, T
SEL = GND, T
SEL = GND, T
SEL = VDD, T
SEL = GND, T
SEL = GND, FB0 = 1.3V
SEL = VDD, FB1 = 1.3V
+1V
ISL97702
A
A
CONDITION
= +25°C
= -40°C to +85°C
A
A
A
A
= +25°C
= +25°C
= -40°C to +85°C
= -40°C to +85°C
Continuous Current in VDD, GND, VDDOUT, LX . . . . . . . . . 650mA
Continuos Current in NSYNC, FB0, FB1, SEL, NEN. . . . . . . . 10mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
T
T
A
J
Ambient Operating Temperature. . . . . . . . . . . . .-40°C to +85°C
Operating Junction Temperature. . . . . . . . . . . . . . . . . . . +125°C
1.135
1.125
MIN
1.13
1.12
150
-0.2
-0.2
2.3
1.8
1.9
0.9
0.4
0.3
-1
(NSYNC)
1200
TYP
1.15
1.15
1.15
1.15
250
0.1
2.2
0.4
0.5
0.5
60
60
2
1
1
f
1.165
1.175
MAX
1.17
1.18
350
2.3
5.5
0.7
1.1
0.6
0.7
0.2
0.2
3
1
5
October 13, 2005
UNIT
MHz
FN7462.0
mA
kΩ
µA
µA
µA
µA
µA
ns
ns
V
V
Ω
V
V
V
V
V
V
V
V
v
-