ISL1801 Datasheet, PDF (6/30 Pages) Intersil Corporation – sPMIC for Micro Converter Bias and Drivers

ISL1801
Pin Descriptions (Continued)
PIN#
42
43
45
47
PIN NAME
DESCRIPTION
BOOT1
The boot pin of the high voltage switching regulator. An external bootstrap capacitor is required. This pin provides bias voltage
to the high-side MOSFET driver. A bootstrap circuit is used to create a voltage suitable to drive the internal N-channel MOSFET.
The boot diode is included within the IC.
PHASE1 The phase node of the high voltage switching regulator, VR1. This pin should be connected to the output inductor.
VIN1
Input to both the high voltage switching regulator and the high voltage start-up LDO1. This pin connects the high voltage
supply to the drain of the internal high-side MOSFET.
PGND1 The ground pin of the high voltage switching regulator’s power stage. There are switching power current pulses coming out of
this pin. Place the VIN1 decoupling capacitor as close as possible to this pin.
Ordering Information
PART NUMBER
(Notes 1, 2, 3)
PART
MARKING
V_IN1 RANGE
(V)
TEMP RANGE
(°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL1801IVZ
ISL1801 IVZ
9 to 90
-40 to +85
48 Ld TSSOP
M48.240
ISL1801EVAL1ZA
Evaluation Board
NOTES:
1. Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin
plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil
Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL1801. For more information on MSL please see tech brief TB363.
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July 24, 2014