EN5311QI-T Enpirion, EN5311QI-T Datasheet

no-image

EN5311QI-T

Manufacturer Part Number
EN5311QI-T
Description
DC/DC POL 2.4-5.5Vin 0.6-3.3Vout 1A 4x5mm.QFN SMD T&R
Manufacturer
Enpirion
Datasheet

Specifications of EN5311QI-T

Lead_time
56
Pack_quantity
1000

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EN5311QI-T
Manufacturer:
ALTERA
0
Part Number:
EN5311QI-T
Manufacturer:
ENPIRION
Quantity:
203
Featuring Integrated Inductor Technology
Product Highlights
• Revolutionary Integrated Inductor
• 5mm x 4mm x1.1mm QFN package
• Very small total solution foot print*
• 4 MHz switching frequency
• Only two low cost MLCC caps required
• Designed for low noise/low EMI
• Very low ripple voltage; 5mV
• High efficiency, up to 95%
• Wide 2.4V to 5.5V input range
• 1000mA continuous output current
• Less than 1 µA standby current.
• Excellent transient performance
• 3 Pin VID Output Voltage select
• External divider: 0.6V to V
• 100% duty cycle capable
• Short circuit and over current protection
• UVLO and thermal protection
• RoHS compliant; MSL 3 260°C reflow
*Optimized PCB Layout file downloadable from the Enpirion Website to assure first pass design success.
ENABLE
Thermal Limit
Current Limit
Soft Start
UVLO
(+)
(-)
Generator
Sawtooth
PWM
Comp
Logic
VREF
Compensation
Network
Error
Amp
(-)
(+)
N-Drive
P-Drive
DAC
IN
-V
VS0 VS1 VS2
p-p
Voltage
Switch
Select
dropout
V
IN
Typical
Package Boundry
V
GND
V
V
OUT
SENSE
FB
Product Overview
The Ultra-Low-Profile EN5311QI is targeted to
applications where board area and profile are
critical. EN5311QI is a complete power
conversion solution requiring only two low cost
ceramic MLCC caps.
PWM, and compensation are integrated into a
tiny 5mm x 4mm x 1.1mm QFN package. The
EN5311QI is engineered to simplify design and
to minimize layout constraints.
switching frequency and internal type III
compensation
response.
EN5311QI is ideal for space and height
constrained applications.
A 3-pin VID output voltage selector provides
seven pre-programmed output voltages along
with an option for external resistor divider.
Output voltage can be programmed on-the-fly
to provide fast, dynamic voltage scaling.
Typical Application Circuit
Figure 1. Typical application circuit.
Applications
• Area constrained applications
• Noise Sensitive Applications such as A/V
• LDO replacement for improved thermals
• Set top box/home gateway
• Smart phones, PDAs
• VoIP and Video phones
• Personal Media Players
and RF
V
IN
1A Synchronous Buck Regulator
Voltage
4.7µF
Select
With a 1.1 mm profile, the
provides
With Integrated Inductor
V
V
V
ENABLE
V
S0
S1
S2
in
GND
Inductor, MOSFETS,
V
Sense
V
V
superior
out
FB
EN5311QI
RoHS Compliant
Halogen Free
10µF
transient
V
4 MHz
OUT

Related parts for EN5311QI-T

Related keywords