isl97701 Intersil Corporation, isl97701 Datasheet - Page 3

• Manufacturer Part Number: isl97701
• Description: Boost Regulator With Integrated Schottky And Input Disconnect Switch
• Manufacturer: Intersil Corporation

Absolute Maximum Ratings
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 6V
V
LX to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
VDDOUT, NSYNC, FB, NEN
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VDD + 0.3V
Continuous Current in VDD, GND, VDDOUT, LX . . . . . . . . . 650mA
Continuous Current in NSYNC, FB, NEN . . . . . . . . . . . . . . . . 10mA
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.
NOTES:
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed.
Electrical Specifications
SUPPLY
VDD
I
LOGIC INPUTS – NEN, NSYNC
Rup
I
VHI
VLO
POWER-ON RESET – VDD
V
V
LX OUTPUT DRIVER
fosc
fsync
t
t
r
Ileak
Ipeak
SCHOTTKY DIODE – LX, V
Vdiode
FEEDBACK INPUTS
Vref
1. θ
2. For θ
OUT
DIS
IL
ON-MIN
OFF-MIN
ON
PARAMETER
RES_ON
RES_OFF
Tech Brief TB379.
FB
JA
to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 31V
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
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 FB
OUT
DESCRIPTION
3
VDD = 3.6V, GND = NEN = 0V, NSYNC = VDD, R
otherwise stated
(T
A
= +25°C)
OUT
OUT
NEN = VDD
Enabled, Input at GND
Disabled, Input at GND
VDD rising
VDD falling
FB = 0V, I(LX) > Ilim(LX)
FB = 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
T
T
A
A
+ 1V
= +25°C
= -40°C to +85°C
ISL97701
A
A
CONDITION
= +25°C
= -40°C to +85°C
Thermal Information
Thermal Resistance (Typical, Notes 1, 2) θ
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Ambient Operating Temperature (T
Operating Junction Temperature (T
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +130°C
3x3 DFN Package . . . . . . . . . . . . . . . .
1
= 390k, R
2
= 39k, L = 10µH, T
MIN
1.13
1.12
150
2.3
1.8
1.9
0.9
0.4
0.3
-1
(NSYNC)
A
J
) . . . . . . . . . . . . . . . . . . +125°C
) . . . . . . . . . . . .-40°C to +85°C
1200
TYP
1.15
1.15
250
0.1
2.2
0.4
0.5
0.5
60
60
2
1
1
f
A
= -40°C to +85°C unless
JA
(°C/W)
48
MAX
1.17
1.18
350
2.3
5.5
0.7
1.1
0.6
0.7
3
1
5
θ
April 23, 2007
JC
UNIT
MHz
FN6474.0
mA
(°C/W)
kΩ
µA
µA
µA
ns
ns
7
V
V
Ω
V
V
V
V
V
V
V
-