PVIN and AVIN Supply Voltages ………………… -0.3 to 6.0V
LX Voltage
(9)
……………………
-0.3 to PVIN+0.3V, 6V Max
VOUT Voltage …………………………… -0.3 to AVIN+0.3V
CTLx pins Voltages ……………………… -0.3 to AVIN+0.3V
Peak IR Reflow Temperature …………………………. 260°C
ESD Protection Level
(8)
………………………………….
3kV
Recommended Operating Conditions
Supply Voltage PVIN and AVIN …………………… 2.9 to 5.5V
Maximum Output Current
………………………………… 4.0A
Temperature Range …………………………… -40 to +85˚C
Input Capacitor ………………………………………… 22uF
Output Capacitor
Output Inductor
……………………… 47uF (or 2 x 22uF)
……………………………………… 1.0uH
Thermal Information
Thermal Resistance, Junction to Ambient
(7)
………… 40 °C/W
Thermal Resistance, Junction to Case …………… 7 °C/W
Maximum Junction Temperature …………………… +150°C
Storage Temperature Range ………………… -65 to +150 °C
Exceeding the absolute maximum ratings may result in permanent damage to the device and/or device malfunction. Operation outside of the
parameters specified in the Electrical Characteristics section is not recommended.
Notes:
(7) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
(8) Tested according to JEDEC standard JESD22-A114-B.
(9) Due to parasitic board inductance, the transient LX pin voltage at the point of measurement may appear larger than that which exists on silicon. The device is
designed to tolerate the short duration transient voltages that will appear on the LX pin due to the deadtime diode conduction, for inductor currents up to the
current limit setting of the device.
Electrical Characteristics
Unless specified: PVIN= AVIN= 5.0V, VOUT= 1.50V, C
IN
= 22µF, C
OUT
= 2 x 22µF; L= 1.0µH; -40°C≤ T
J
≤ +125 °C; Unless otherwise noted typical values are T
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