isl97645a Intersil Corporation, isl97645a Datasheet - Page 3

• Manufacturer Part Number: isl97645a
• Description: Boost + Von Slice + Vcom
• Manufacturer: Intersil Corporation

Electrical Specifications
Absolute Maximum Ratings
Lx to GND, AGND and PGND . . . . . . . . . . . . . . . . . . . . -0.5 to +25V
VDD2, OUT, NEG and POS
VDD1, VGH and VGH_M
Differential Voltage Between POS and NEG . . . . . . . . . . . . . . . ±6V
Voltage Between GND, AGND and PGND . . . . . . . . . . . . . . . ±0.5V
All Other Pins to GND, AGND and PGND . . . . . . . . . . -0.5 to +6.5V
Input, Output, or I/O Voltage . . . . . . . . . . . GND -0.3V to VIN + 0.3V
Recommended Operating Conditions
Input Voltage Range, VS . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
Boost Output Voltage Range, AVDD . . . . . . . . . . . . . . . . . 8V to 20V
Input Capacitance, CIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22µF
Boost Inductor, L1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3µH to 10µH
Output Capacitance, COUT . . . . . . . . . . . . . . . . . . . . . . .2µF x 22µF
Operating Ambient Temperature Range . . . . . . . . . .-40°C to +85°C
Operating Junction Temperature . . . . . . . . . . . . . . .-40°C to +125°C
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.
NOTES:
GENERAL
V
I
I
UVLO
OT
OT
LOGIC INPUT CHARACTERISTICS - ENABLE, VFLK, FREQ, VDPM
V
V
R
STEP-UP SWITCHING REGULATOR
A
ΔVBOOST/ΔIOUT Load Regulation
ΔVBOOST/ΔVIN
ACC
V
I
1. θ
2. For θ
S_DIS
S
FB
VDD
S
IL
IH
FB
to GND, AGND and PGND. . . . . . . . . . . . . . . . . . . . . -0.5 to +25V
to GND, AGND and PGND. . . . . . . . . . . . . . . . . . . . . -0.5 to +32V
IL
R
F
Brief TB379.
SYMBOL
JA
AVDD
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
V
V
V
Under Voltage Lockout Threshold
Thermal Shutdown Temperature
Low Voltage Threshold
High Voltage Threshold
Pull-Down Resistor
Output Voltage Range
Line Regulation
Overall Accuracy (Line, Load,
Temperature)
Feedback Voltage (V
FB Input Bias Current
IN
IN
IN
Supply Currents when Disabled
Supply Currents
Input Voltage Range
PARAMETER
3
V
Unless Otherwise Noted.
IN
= ENABLE = 5V, VDD1 = VDD2 = 14V, VGH = 25V, AVDD = 10V, T
FB
)
ENABLE = 0V
ENABLE = 5V, LX not switching
V
V
Temperature Rising
Temperature Falling
Enabled, Input at VIN
50mA < ILOAD < 250mA
I
10mA < ILOAD < 300mA,
3.0 < V
I
I
LOAD
LOAD
LOAD
IN2
IN2
ISL97645A
Rising
Falling
= 150mA, 3.0 < V
= 100mA, T
= 100mA, T
IN
TEST CONDITION
< 5.5V, 0°C < T
A
A
Thermal Information
Thermal Resistance
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Maximum Continuous Junction Temperature . . . . . . . . . . . +125°C
Power Dissipation
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
= -40°C to +85°C
= +25°C
4x4 QFN Package (Notes 1, 2) . . . . . .
T
T
T
T
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
A
A
A
A
≤ +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.44W
= +70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.34W
= +85°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.98W
= +100°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.61W
IN
A
< 5.5V
< +85°C
V
IN
1.20
1.19
MIN
150
2.7
2.3
2.2
2.2
*1.25
-3
A
= -40°C to +85°C
TYP
2.45
2.35
0.15
1.21
1.21
140
100
250
250
3.3
0.2
1
1
θ
JA
(°C/W)
39
MAX
0.25
1.22
1.23
400
500
5.5
3.5
2.6
2.5
0.8
20
3
θ
JC
July 2, 2007
FN6353.0
2.5
(°C/W)
UNIT
mA
kΩ
µA
°C
°C
nA
%
%
%
V
V
V
V
V
V
V
V