參數(shù)資料
型號: EN5335QI
廠商: ENPIRION INC
元件分類: 穩(wěn)壓器
中文描述: SWITCHING REGULATOR, 5000 kHz SWITCHING FREQ-MAX, QCC44
封裝: ROHS COMPLIANT, QFN-44
文件頁數(shù): 8/13頁
文件大?。?/td> 266K
代理商: EN5335QI
00846
06/01/2010
Rev: F
EN5335QI
Enpirion 2010 all rights reserved, E&OE
www.enpirion.com
4
Block Diagram
(+)
(-)
Error
Amp
V
OUT
P-Drive
N-Drive
UVLO
Thermal Limit
Current Limit
Soft Start
Sawtooth
Generator
(+)
(-)
PWM
Comp
PVIN
ENABLE
Compensation
Network
Bandgap
Reference
PGND
Voltage
Selector
VS0
VS1
VS2
VSENSE
EAIN
EAOUT
ROCP
SS
Reference
Voltage
selector
COMP
Over Voltage
power
Good
Logic
Over
Voltage
V
OUT
POK
Figure 3. System block diagram.
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.
Maximum Electrical Ratings
Min
Max
Voltages on: VIN, VOUT
-0.3V
7.0V
Voltages on: VSENSE
-0.3V
VIN + 0.3V
Voltages on: VS0-VS2 (Note 1)
-0.3V
VIN + 0.3V
Voltages on: ENABLE
-0.3V
VIN + 0.3V
Maximum Thermal Ratings
Ambient operating range
-40°C
+85°C
Storage Temperature Range
-65°C
+150°C
Reflow Peak Body Temperature MSL3 (10 Sec)
+260°C
Note 1
: VS0-VS2 pins have an internal pull-up resistor, only ground potentials should be placed on them as required.
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