參數(shù)資料
型號： EL7585AILZ-T13
廠商： INTERSIL CORP
元件分類： 穩(wěn)壓器
英文描述： TFT-LCD Power Supply
中文描述： 3.5 A SWITCHING REGULATOR, 1100 kHz SWITCHING FREQ-MAX, QCC20
封裝： 4 X 4 MM, ROHS COMPLIANT, MO-220, QFN-20
文件頁數(shù)： 2/18頁
文件大小： 730K
代理商： EL7585AILZ-T13
2
FN7523.2
September 21, 2005
Absolute Maximum Ratings
(T
A
= 25°C)
V
DRVP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36V
V
DRVN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20V
V
DD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5V
V
DELB,
V
LX
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24V
V
DRVL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5V
Storage Temperature. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves
Maximum continuous junction temperature. . . . . . . . . . . . . . 125°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: T
J
= T
C
= T
A
Electrical Specifications
V
DD
= 5V, V
BOOST
= 11V, I
LOAD
= 200mA, V
ON
= 15V, V
OFF
= -5V, V
LOGIC
= 2.5V, over temperature from
-40°C to 85°C, unless otherwise specified.
PARAMETER
DESCRIPTION
CONDITION
MIN
TYP
MAX
UNIT
SUPPLY
V
S
Supply Voltage
3
5.5
V
I
S
Quiescent Current
Enabled, LX not switching
1.7
2.5
mA
Disabled
700
900
μA
CLOCK
F
OSC
Oscillator Frequency
900
1000
1100
kHz
BOOST
V
BOOST
Boost Output Range
5.5
20
V
V
FBB
Boost Feedback Voltage
T
A
= 25°C
1.192
1.205
1.218
V
1.188
1.205
1.222
V
V
F_FBB
FBB Fault Trip Point
0.9
V
V
REF
Reference Voltage
T
A
= 25°C
1.19
1.215
1.235
V
1.187
1.215
1.238
V
C
REF
V
REF
Capacitor
22
100
nF
D
MAX
Maximum Duty Cycle
85
%
I
LXMAX
Switch Current Limit
3.5
A
I
LEAK
Switch Leakage Current
V
LX
= 16V
10
μA
r
DS(ON)
Switch On-Resistance
160
m
Eff
Boost Efficiency
See curves
92
%
I(V
FBB
)
V
BOOST
/
V
IN
V
BOOST
/
I
BOOST
V
BOOST
/
I
BOOST
Feedback Input Bias Current
Pl mode, V
FBB
= 1.35V
50
500
nA
Line Regulation
C
INT
= 4.7nF, I
OUT
= 100mA, V
IN
= 3V to 5.5V
0.05
%/V
Load Regulation - “P” mode
C
INT
pin strapped to V
DD
,
50mA < I
LOAD
< 250mA
3
%
Load Regulation - “PI” mode
C
INT
= 4.7nF, 50mA < I
O
< 250mA
0.1
%
V
CINT_T
CINT Pl Mode Select Threshold
4.7
4.8
V
V
ON
LDO
V
FBP
FBP Regulation Voltage
I
DRVP
= 0.2mA, T
A
= 25°C
1.176
1.2
1.224
V
I
DRVP
= 0.2mA
1.172
1.2
1.228
V
V
F_FBP
FBP Fault Trip Point
V
FBP
falling
0.82
0.87
0.92
V
I
FBP
FBP Input Bias Current
V
FBP
= 1.35V
-250
250
nA
GMP
FBP Effective Transconductance
V
DRVP
= 25V, I
DRVP
= 0.2 to 2mA
50
ms
EL7585A
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