參數(shù)資料
型號(hào)： ISL6532BCR-T
廠(chǎng)商： INTERSIL CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： ACPI Regulator/Controller for Dual Channel DDR Memory Systems
中文描述： SWITCHING CONTROLLER, 280 kHz SWITCHING FREQ-MAX, PQCC20
封裝： 6 X 6 MM, PLASTIC, MO-220VJJB, QFN-20
文件頁(yè)數(shù)： 6/15頁(yè)
文件大?。?/td> 362K
代理商： ISL6532BCR-T
6
Functional Pin Description
5VSBY (Pin 1)
5VSBY is the bias supply of the ISL6532B. It is typically
connected to the 5V standby rail of an ATX power supply.
During S4/S5 sleep states the ISL6532B enters a reduced
power mode and draws less than 1mA (I
CC5
) from the
5VSBY supply. This pin should be locally bypassed using a
0.1
μ
F capacitor.
P12V (Pin 18)
P12V provides the gate drive current to the switching
MOSFETs of the PWM power stage. The V
TT
regulation
circuit is also powered by P12V. P12V is only required during
S0/S1/S2 operation. P12V is typically connected to the +12V
rail of an ATX power supply.
P5VSBY (Pin 8)
This pin provides the V
DDQ
output power during the S3
sleep state. The regulator is capable of providing standby
V
DDQ
power from either a 5V or 3.3V source.
GND (Pin 2, 13, 21)
The GND terminals of the ISL6532B provide the return path
for the V
TT
LDO, Standby LDO and switching MOSFET gate
drivers. High ground currents are conducted directly through
the exposed paddle of the QFN package which must be
electrically connected to the ground plane through a path as
low in inductance as possible.
UGATE (Pin 20)
UGATE drives the upper (control) FET of the V
DDQ
synchronous buck switching regulator. UGATE is driven
between GND and P12V.
PWM CONTROLLER GATE DRIVERS
UGATE and LGATE Source
I
GATE
-
-0.8
-
A
UGATE and LGATE Sink
I
GATE
-
0.8
-
A
NCH BACKFEED CONTROL
NCH Current Sink
I
NCH
NCH = 0.8V
-
-
6
mA
NCH Trip Level
V
NCH
9.0
9.5
10
V
VDDQ STANDBY LDO
Output Drive Current
P5VSBY = 5.0V
-
-
650
mA
P5VSBY = 3.3V
-
-
550
mA
VTT REGULATOR
Upper Divider Impedance
R
U
-
2.5
-
k
Lower Divider Impedance
R
L
-
2.5
-
k
VREF_OUT Buffer Source Current
I
VREF_OUT
-
-
2
mA
Maximum V
TT
Load Current
I
VTT_MAX
Periodic load applied with 30% duty cycle
and 10ms period using ISL6532EVAL1
evaluation board (see Application Note
AN1055)
-3
-
3
A
VTT Over Current Trip
I
TRIP_VTT
By Design
-3.3
-
3.3
A
PGOOD
PGOOD Rising Threshold
V
VTTSNS/
V
VDDQ
S3# & S5# HIGH
-
57.5
-
%
PGOOD Falling Threshold
V
VTTSNS/
V
VDDQ
S3# & S5# HIGH
-
45.0
-
%
PROTECTION
VDDQ OV Level
V
FB
/V
REF
S3# & S5# HIGH
-
115
-
%
VDDQ UV Level
V
FB
/V
REF
S3# & S5# HIGH
-
85
-
%
Thermal Shutdown Limit
T
SD
By Design
-
140
-
°C
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted. Refer to Block and Simplified Power System
Diagrams and Typical Application Schematics
(Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6532B
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISL6532BCRZ 功能描述:電壓模式 PWM 控制器 DL DDRG W/3ALDO FOR SPRINGDALE MBS 20 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
ISL6532BCRZ-T 功能描述:電壓模式 PWM 控制器 DL DDRG W/3ALDO FOR SPRINGDALE MBS 20 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
ISL6532CCR 功能描述:IC REG/CTRLR ACPI DUAL DDR 28QFN RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 電源管理 - 專(zhuān)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(lèi)型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件
ISL6532CCR-T 功能描述:IC REG/CTRLR ACPI DUAL DDR 28QFN RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 電源管理 - 專(zhuān)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(lèi)型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件
ISL6532CCRZ 功能描述:IC REG/CTRLR ACPI DUAL DDR 28QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 電源管理 - 專(zhuān)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(lèi)型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件
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