參數(shù)資料
型號(hào): 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): 10/13頁
文件大小: 266K
代理商: EN5335QI
00846
06/01/2010
Rev: F
EN5335QI
Enpirion 2010 all rights reserved, E&OE
www.enpirion.com
6
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Enable Operation
Disable Threshold
VDISABLE
Max voltage to ensure the converter is
disabled
0.8
V
Enable Threshold
VENABLE
2.375V ≤ VIN ≤ 5.5V
5.5V < VIN
1.8
2.0
V
Enable Pin Current
IENABLE
VIN = 5.5V
50
A
Voltage Select Operation
VSX Logic Low
Threshold
VSX-Low
Threshold voltage for Logic Low
0.8
V
VSX Logic High
Threshold
VSX-High
Threshold voltage for Logic High
(internally pulled high; can be left
floating to achieve logic high)
1.8
VIN
V
VSX Pin Current
IVSX
(VIN = 5.5V)
VSx = GND
VSx = VIN
VSx = Open
50
0
A
Power OK Operation
POK low voltage
VPOK
IPOK = 4mA (sink current)
0.4
V
Max POK Voltage
VPOK
VIN
V
Typical Performance Characteristics
50
55
60
65
70
75
80
85
90
95
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
Lo a d C urre nt ( A )
E
ffi
ci
e
n
cy
(%
)
VIN=5.0V
V
OUT = 3.3V
V
OUT = 2.5V
V
OUT = 1.8V
V
OUT = 1.5V
V
OUT = 1.2V
50
55
60
65
70
75
80
85
90
95
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
Lo a d C urre nt ( A )
E
ffi
ci
e
n
cy
(%
)
VIN=5.0V
V
OUT = 3.3V
V
OUT = 2.5V
V
OUT = 1.8V
V
OUT = 1.5V
V
OUT = 1.2V
Efficiency versus Load, VIN = 5.0V
Efficiency versus Load, VIN = 3.3V
Load transient, 0 – 3A, VIN/VOUT = 5.5V/1.2V
Load transient, 0 – 3A, VIN/VOUT = 5.5V/3.3V
50
55
60
65
70
75
80
85
90
95
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9
Lo a d C urre nt ( A )
E
ff
ici
en
cy
(
%
)
VIN=3.3V
V
OUT = 0.8V
V
OUT = 2.5V
V
OUT = 1.8V
V
OUT = 1.5V
V
OUT = 1.2V
50
55
60
65
70
75
80
85
90
95
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9
Lo a d C urre nt ( A )
E
ff
ici
en
cy
(
%
)
VIN=3.3V
V
OUT = 0.8V
V
OUT = 2.5V
V
OUT = 1.8V
V
OUT = 1.5V
V
OUT = 1.2V
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