參數(shù)資料
型號(hào)： ISL97651
廠商： Intersil Corporation
英文描述： 4-Channel Integrated LCD Supply
中文描述： 4通道集成LCD電源
文件頁(yè)數(shù)： 2/19頁(yè)
文件大?。?/td> 307K
代理商： ISL97651
2
FN7493.2
March 15, 2007
Absolute Maximum Ratings
(T
A
= +25°C)
Maximum Pin Voltages, All Pins Except Below . . . . . . . . . . . . . 6.5V
LX1, LX2, V
SUP
, NOUT, DELB, C1-, C2-. . . . . . . . . . . . . . . . .24V
C1- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14V
CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13V
DRN, COM, POUT, C1+, C2+ . . . . . . . . . . . . . . . . . . . . . . . . .36V
CB-V
INL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5V
Thermal Information
Recommended Operating Conditions
Input Voltage Range, V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . 4V to 5.5V
Boost Output Voltage Range, A
VDD
. . . . . . . . . . . . . . . . . . . . +20V
V
ON
Output Range, V
ON
. . . . . . . . . . . . . . . . . . . . . . +15V to +32V
V
OFF
Output Range, V
OFF
. . . . . . . . . . . . . . . . . . . . . . -15V to -5V
Logic Output Voltage Range, V
LOGIC
. . . . . . . . . . . +1.5V to +3.3V
Input Capacitance, C
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . 2 x 10μF
Boost Inductor, L1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3μH to 10μH
Output Capacitance, C
OUT
. . . . . . . . . . . . . . . . . . . . . . . . 2 x 22μF
Buck Inductor, L2. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3μH to 10μH
Operating Ambient Temperature Range . . . . . . . . -40°C to +105°C
Operating Junction Temperature . . . . . . . . . . . . . . -40°C to +125°C
Thermal Resistance
6x6 QFN Package (Notes 1, 2) . . . . . .
Maximum Junction Temperature (Plastic Package) . . . . . . .+150°C
Maximum Storage Temperature Range. . . . . . . . . .-65°C to +150°C
Power Dissipation
T
A
≤ +
25°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.3W
T
A
= +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.8W
T
A
= +85°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.3W
T
A
= +100°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.8W
θ
JA
(°C/W)
30
θ
JC
(°C/W)
2.5
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.
+150°C max junction temperature is intended for short periods of time to prevent shortening the lifetime. Operation close to +150°C junction may trigger the shutdown of
the device even before +150°C, since this number is specified as typical.
NOTES:
1.
θ
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
2. For
θ
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
V
IN
= 5V, V
BOOST
= V
SUP
= 15V, V
ON
= 25V, V
OFF
= -8V, over-temperature from -40°C to +105°C, unless
otherwise stated.
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY PINS
V
IN
Supply Voltage (VIN1 and VIN2)
4
5
5.5
V
V
INL
Logic Supply Voltage
4
5
5.5
V
V
SUP
Charge Pumps and V
ON
Slice
Positive Supply
4
20
V
I
VIN
Quiescent Current into V
IN
Enabled, No switching
3
mA
Disabled
10
μA
I
INL
Logic Supply Current
Enabled, No switching
0.4
1.0
mA
Disabled
10
μA
I
SUP
V
SUP
Supply Current
Enabled, No switching and VP
OUT
= V
SUP
0.5
mA
Disabled
10
μA
V
LOR
Undervoltage lockout threshold
V
IN
rising
2.0
2.75
2.9
V
V
LOF
Undervoltage lockout threshold
V
IN
falling
1.9
2.2
2.5
V
V
REF
Reference Voltage
T
A
= +25°C
1.19
1.205
1.235
V
1.187
1.205
1.238
V
f
OSC
Oscillator Frequency
1010
1200
1400
kHz
A
VDD
BOOST
D
Max
, Maximum Duty Cycle: Minimum 84%
V
BOOST
Boost Output Range
1.25*V
IN
20
V
I
BOOST
Boost Switch Current
Current limit
4.4
4.8
6.3
A
ISL97651
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ISL97652IRZ 功能描述:IC LCD SUPPLY HP 4CHN 48-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 應(yīng)用說(shuō)明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:37 系列:- 應(yīng)用:醫(yī)療用超聲波成像，聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件
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