參數(shù)資料
型號： ISL6444
廠商： Intersil Corporation
英文描述： Dual PWM Controller with DDR Memory Option for Gateway Applications(帶DDR存儲器選項(xiàng)的網(wǎng)關(guān)專用雙PWM控制器)
中文描述： 雙PWM控制器的DDR網(wǎng)關(guān)應(yīng)用（帶的DDR存儲器選項(xiàng)的網(wǎng)關(guān)專用雙脈寬調(diào)制控制器內(nèi)存選項(xiàng)）
文件頁數(shù)： 4/19頁
文件大?。?/td> 372K
代理商： ISL6444
4
FN9069.3
April 12, 2007
Absolute Maximum Ratings
Thermal Information
Bias Voltage, V
cc
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+ 6.5V
Input Voltage, V
in
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +27.0V
PHASE, BOOT, ISEN, UGATE . . . . . . . . . . . . .GND -0.3V to +33.0V
BOOT with respect to PHASE. . . . . . . . . . . . . . . . . . . . . . . . . .+ 6.5V
All Other Pins. . . . . . . . . . . . . . . . . . . . . . . GND -0.3V to V
cc
+ 0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Class 2
Recommended Operating Conditions
Bias Voltage, V
cc
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.0V
±
5%
Input Voltage, V
in
. . . . . . . . . . . . . . . . . . . . . . . . . . .+5.0V to +24.0V
Ambient Temperature Range. . . . . . . . . . . . . . . . . . .-10°C to +85°C
Junction Temperature Range. . . . . . . . . . . . . . . . . .-10°C to +125°C
Thermal Resistance (Typical, Note 1)
QSOP Package. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature (Plastic Package) . . . . . . .+125°C
Maximum Storage Temperature Range. . . . . . . . . .-65°C to +150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . .+300°C
(QSOP - Lead Tips Only)
θ
JA
(°C/W)
78
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.
NOTE:
1.
θ
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VCC SUPPLY
Bias Current
I
CC
LGATEx, UGATEx Open, VSENx forced above
regulation point, DDR = 0, VIN > 5V
-
2.2
3.2
mA
Shut-Down Current
I
CCSN
-
-
30
μ
A
V
CC
UVLO
Rising V
CC
Threshold
V
CCU
4.3
4.65
4.75
V
Falling V
CC
Threshold
V
CCD
4.1
4.35
4.45
V
VIN
Input Voltage Pin Current (Sink)
I
VIN
10
-
30
μ
A
Input Voltage Pin Current (Source)
I
VINO
-
-15
-30
μ
A
Shut-Down Current
I
VINS
-
-
1
μ
A
OSCILLATOR
PWM1 Oscillator Frequency
F
c
255
300
345
kHz
Ramp Amplitude, pk-pk
V
R1
VIN = 16V, by characterization
-
2
-
V
Ramp Amplitude, pk-pk
V
R2
VIN = 5V, by characterization
-
1.25
-
V
Ramp Offset
V
ROFF
By characterization
-
0.5
-
V
Ramp/V
IN
Gain
G
RB1
VIN
≥
3V, by characterization
-
125
-
mV/V
Ramp/V
IN
Gain
G
RB2
1
≤
VIN
≤
3V, by characterization
-
250
-
mV/V
REFERENCE AND SOFT START
Internal Reference Voltage
V
REF
-
0.9
-
V
Reference Voltage Accuracy
-1.0
-
+1.0
%
Soft-Start Current During Start-Up
I
SOFT
-
-5
-
μ
A
Soft-Start Complete Threshold
V
ST
By characterization
-
1.5
-
V
PWM CONVERTERS
Load Regulation
0.0mA < I
VOUT1
< 5.0A; 5.0V < V
BATT
< 24.0V
-2.0
-
+2.0
%
VSEN Pin Bias Current
I
VSEN
By characterization
50
80
120
nA
VOUT Pin Input Impedance
I
VOUT
VOUT = 5V
40
55
65
k
Ω
ISL6444
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參數(shù)描述
ISL6444CA 功能描述:電流型 PWM 控制器 Dual with DDR Memory RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
ISL6444CA-T 功能描述:IC CONTROLLER DDR 28-QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,000 系列:- 應(yīng)用:電源，ICERA E400，E450 輸入電壓:4.1 V ~ 5.5 V 輸出數(shù):10 輸出電壓:可編程 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:42-WFBGA，WLCSP 供應(yīng)商設(shè)備封裝:42-WLP 包裝:帶卷 (TR)
ISL6444CAZ 功能描述:IC CONTROLLER DDR 28-QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:43 系列:- 應(yīng)用:控制器，Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-QFN（7x7） 包裝:管件
ISL6444CAZT 制造商:Intersil Corporation 功能描述:
ISL6444CAZ-T 功能描述:IC CONTROLLER DDR 28-QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:43 系列:- 應(yīng)用:控制器，Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-QFN（7x7） 包裝:管件
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