ISL78419
Absolute Maximum Ratings
Thermal Information
RE, VGHM, GPM_LO and VGH to GND . . . . . . . . . . . . . . . . . . . . -0.3 to +36V
LX, AVDD, POS, NEG, VOUT to GND . . . . . . . . . . . . . . . . . . . . . -0.3 to +18V
Voltage Between GND and PGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.5V
All Other Pins to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0V
ESD Rating
Human Body Model (Tested per JESD22-A114E). . . . . . . . . . . . . . . . 2kV
Machine Model (Tested per JESD22-A115-A). . . . . . . . . . . . . . . . . 200V
Charged Device Model (Tested per AEC-Q100-11). . . . . . . . . . . . . . . 1kV
Latch Up (Tested per JESD-78B; Class 2, Level A) . . . . . . . . . . . . . . 100mA
Thermal Resistance (Typical)
28 Ld 4x5 QFN Package (Notes 4, 5). . . . .
Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +105°C
Functional Junction Temperature. . . . . . . . . . . . . . . . . . . .-40°C to +150°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Lead Temperature During Soldering . . . . . . . . . . . . . . . . . . . . . . . . +260°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see TB493
(°C/W)
38
(°C/W)
4.5
JA
JC
Recommended Operating Conditions
Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +105°C
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5V to 5.5V
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:
4. is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
JA
Brief TB379.
5. For , the “case temp” location is the center of the exposed metal pad on the package underside.
JC
Electrical Specifications
V
= ENABLE = 3.3V, AV
= 8V, V
LDO
= 2.5V, V = 24V, V = - 6V. Boldface limits apply across the
ON OFF
IN
operating temperature range, -40°C to +105°C.
DD
MIN
TYP
MAX
SYMBOL
GENERAL
VIN
PARAMETER
TEST CONDITIONS
(Note 6)
(Note 7)
(Note 6) UNITS
V
V
V
Supply Voltage Range
Supply Currents when Disabled
Supply Currents
2.5
3.3
390
0.7
0
5.5
500
1.0
V
IN
IN
IN
I
V
< UVLO
µA
mA
µA
S_DIS
IN
I
ENABLE = 3.3V, overdrive AV and V
DD
S
GH
I
ENABLE Pin Current
ENABLE = 0V
ENABLE
LOGIC INPUT CHARACTERISTICS - ENABLE, FLK, SCL, SDA, FREQ
V
Low Voltage Threshold
High Voltage Threshold
Pull-Down Resistor
0.65
1.65
V
V
IL
V
1.75
0.85
IH
R
Enable, FLK, FREQ
1.25
MΩ
IL
INTERNAL OSCILLATOR
Switching Frequencies
f
FREQ = low, T = +25°C
550
600
650
kHz
kHz
OSC
A
FREQ = high, T = +25°C
1100
1200
1300
A
AVDD BOOST REGULATOR
DAVDD/
DIOUT
AVDD Load Regulation
50mA < I
< 250mA
0.2
0.15
0.8
%
%
LOAD
DAVDD/
DVIN
AVDD Line Regulation
I
I
= 150mA, 2.5V < V < 5.5V
IN
LOAD
LOAD
V
Feedback Voltage (V
FB
)
= 100mA, T = +25°C
0.792
0.808
100
V
nA
mΩ
A
FB
A
I
FB Input Bias Current
Switch ON-Resistance
Switch Current Limit
Max Duty Cycle
FB
r
T
= +25°C
180
1.5
90
260
DS(ON)
A
I
1.125
80
1.875
LIM
D
Freq = 1.2MHz
%
MAX
EFF
LDO REGULATOR
Freq = 1.2MHz, I
= 100mA
91
%
AVDD
DV
/
Line Regulation
I
= 1mA, 3.0V < V < 5.5V
IN1
1
mV/V
LDO
DV
LDO
IN
FN8292 Rev 3.00
June 27, 2014
Page 5 of 20
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