ISL9021
ISL9021 is 250mA Single LDO manufactured by Renesas.
feature prevents current from flowing back to the power source when the output voltage is pulled higher than the input.
The ISL9021 is offered in tiny 4-bump 1.155mmx0.975mm WLCSP and 1.6mmx1.6mm 6 Ld µTDFN packages.
Pinouts
ISL9021 (6 LD 1.6x1.6 µTDFN)
TOP VIEW
VIN 1 NC 2 EN 3
6 VO 5 NC 4 GND
ISL9021 (4 BALL 1.155x0.975 WLCSP)
TOP VIEW
GND A2 B2 VOUT
EN A1 B1 VIN
Features
- High Performance LDO with 250m A guaranteed continuous output current
- Input Voltage Range: 1.5V to 5.5V
- Output Voltage Range: 0.9V to 3.3V
- High PSRR: 75d B @ 10k Hz, 50d B @ 1MHz
- Low Quiescent Current: 35µA
- Dropout Voltage: <150m V @ 250m A
- Stable with 1µF to 4.7µF Output Capacitance (±30%) with an ESR range of 5m to 400m
- ±1.8% Output Accuracy Over-Temperature/Load/Line
- Soft-start Limits Input Current Surge During Enable
- Current Limit and Overheat Protection
- -40°C to +85°C Operating Temperature Range
- Available in 1.155mmx0.975mm 4-bump WLCSP
Package and 1.6mmx1.6mm 6 Ld µTDFN
- Pb-free (Ro HS pliant)
Applications
- PDAs, Cell Phones and Smart Phones
- Portable Instruments, MP3 Players
- Handheld Devices including Medical Handhelds
FN6867 Rev 2.00 January 14, 2010
Page 1 of 10
Ordering Information
PART NUMBER
PART MARKING
VO Voltage (Note 2)
TEMP RANGE (°C)
PACKAGE Tape & Reel
(Pb-free)
PACKAGE DWG....
