ISL78228
ISL78228 is Dual 800mA Low Quiescent Current 2.25MHz High Efficiency Synchronous Buck Regulator manufactured by Renesas.
features include internal digital soft-start, enable for power sequence, overcurrent protection, and thermal shutdown. The ISL78228 is offered in a 3mmx3mm 10 Ld DFN package with 1mm maximum height. The plete converter occupies less than 1.8cm2 area.
The ISL78228 is AEC-Q100 qualified and is rated for the automotive temperature range (-40°C to +105°C).
Features
- Internal current mode pensation
- 100% maximum duty cycle for lowest dropout
- Selectable forced PWM mode and PFM mode
- External synchronization up to 4MHz
- Start-up with prebiased output
- Soft-stop output discharge during disable
- Internal digital soft-start
- 2ms
- Power-good (PG) output with 1ms delay
- AEC-Q100 qualified
- Pb-free (Ro HS pliant)
Applications
- DC/DC POL modules
- µC/µP, FPGA and DSP power
- Rear camera systems
- Navigation systems
- Infotainment systems
TABLE 1. KEY DIFFERENCES BETWEEN FAMILY OF PARTS
PART NUMBER
IOUT CH1 (A)
IOUT CH2 (A)
ADJ or FIXED
VOUT
PACKAGE
10 Ld 3x3 DFN
ISL78322 2.0
12 Ld 4x3 DFN
EFFICIENCY (%)
2.5VOUT-PFM...
