EP5388QI Datasheet, PDF (3/14 Pages) Enpirion, Inc. – 800mA Synchronous Buck Regulator With Integrated Inductor 3mm x 3mm x 1.1mm Package

July 2008
Functional Block Diagram
EP5388QI
VIN
ENABLE
UVLO
Thermal Limit
Current Limit
Soft Start
(-)
PWM
Comp
(+)
Sawtooth
Generator
Logic
P-Drive
N-Drive
Compensation
Network
NC(SW)
VOUT
PGND
VSENSE
(-)
Switch
Error
Amp
VFB
(+)
VREF
AGND
Figure 3. EP5388QI Functional block diagram.
DAC
Voltage
Select
Package Boundry
VS0 VS1 VS2
Absolute Maximum Ratings
CAUTION: Absolute Maximum ratings are stress ratings only. Functional operation beyond
recommended operating conditions is not implied. Stress beyond absolute maximum ratings may
cause permanent damage to the device. Exposure to absolute maximum rated conditions for
extended periods may affect device reliability.
PARAMETER
Input Supply Voltage
Voltages on: ENABLE, V_SENSE, V_S0-V_S2
Voltage on: V_FB
Storage Temperature Range
Reflow Temp, 10 Sec, MSL3 JEDEC J-STD-020C
ESD Rating (based on Human Body Model)
SYMBOL
V_IN
T_STG
MIN
-0.3
-0.3
-0.3
-65
MAX
7.0
V_IN + 0.3
2.7
150
260
2000
UNITS
V
V
V
°C
°C
V
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