ISL9120IR
4
FN8743.1
February 2, 2016
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Absolute Maximum Ratings Thermal Information
VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
LX1, LX2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
FB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
GND, PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 0.3V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
ESD Rating
Human Body Model (Tested per JESD22-A114F) . . . . . . . . . . . . . . .2.5kV
Machine Model (Tested per JESD22-A115C) . . . . . . . . . . . . . . . . . 200V
Charged Device Model (Tested per JESD22-C101F). . . . . . . . . . . . . . 2kV
Latch-Up (Tested per JESD78D; Class 2) . . . . . . . . . . . . . . . . . . . . . . 100mA
Thermal Resistance (Typical)
JA
(°C/W)
JC
(°C/W)
3x3 TQFN (Notes 4
, 5) . . . . . . . . . . . . . . . . . 55 5
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .+125°C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see TB493
Recommended Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
Supply Voltage (V
IN
) Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8V to 5.5V
Load Current (I
OUT
) Range (DC) . . . . . . . . . . . . . . . . . . . . . . . . 0A to 800mA
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.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief TB379
.
5. For
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Analog Specifications V
IN
= V
EN
= 3.6V, V
OUT
= 3.3V, L
1
= 1µH, C
1
= 10µF, C
2
= 47µF, T
A
= +25°C. Boldface limits apply across the
recommended operating temperature range, -40°C to +85°C and input voltage range (1.8V to 5.5V).
SYMBOL PARAMETER TEST CONDITIONS
MIN
(Note 6
)TYP
MAX
(Note 6)UNIT
POWER SUPPLY
V
IN
Input Voltage Range 1.8 5.5 V
V
UVLO
V
IN
Undervoltage Lockout Threshold Rising 1.725 1.790 V
Falling 1.550 1.650 V
I
VIN
VIN Supply Current V
OUT
= 3.7V (Note 7)4155 µA
I
SD
VIN Supply Current, Shutdown EN = GND 0.005 1 µA
I
BYP
VIN Supply Current, Bypass Mode BYPS = Logic High, V
IN
≤5V 0.8 3.5 µA
OUTPUT VOLTAGE REGULATION
V
OUT
Output Voltage Range ISL9120IRAZ, I
OUT
= 100mA 1.00 5.20 V
Output Voltage Accuracy V
IN
= 3.7V, I
OUT
= 1mA -3 +4 %
V
FB
FB Pin Voltage Regulation For adjustable output version (ISL9120IRAZ) 0.80 V
I
FB
FB Pin Bias Current For adjustable output version (ISL9120IRAZ) 0.025 µA
V
OUT
/V
IN
Line Regulation, 500mA I
OUT
= 500mA, V
OUT
= 3.3V, V
IN
step from 2.3V to
5.5V
0.00681 mV/mV
V
OUT
/I
OUT
Load Regulation, 500mA V
IN
= 3.7V, V
OUT
= 3.3V, I
OUT
step from 0mA to
500mA
0.0072 mV/mA
V
OUT
/V
I
Line Regulation, 100mA I
OUT
= 100mA, V
OUT
= 3.3V, V
IN
step from 2.3V to
5.5V
0.00273 mV/mV
V
OUT
/I
OUT
Load Regulation, 100mA V
IN
= 3.7V, V
OUT
= 3.3V, I
OUT
step from 0mA to
100mA
0.05 mV/mA
V
CLAMP
Output Voltage Clamp Rising 5.32 5.82 V
Output Voltage Clamp Hysteresis 400 mV
DC/DC SWITCHING SPECIFICATIONS
I
PFETLEAK
LX1 Pin Leakage Current -0.05 +0.05 µA
I
NFETLEAK
LX2 Pin Leakage Current V
IN
= 3.6V -0.05 +0.05 µA
