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參數(shù)資料
| 型號： | ADP3170JRU |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | VRM 8.5 Compatible Single Phase Core Controller |
| 中文描述： | SWITCHING CONTROLLER, PDSO20 |
| 封裝： | TSSOP-20 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 183K |
| 代理商： | ADP3170JRU |
REV. 0
ADP3170
–4–
PIN FUNCT ION DE SCRIPT IONS
Pin No.
Mnemonic
Function
1–5
VID3, VID2,
VID1, VID0,
VID25
PWRGD
REF
SD
Voltage Identification DAC Inputs. These pins are pulled up to an internal reference,
providing a logic one if left open. The DAC output programs the FB regulation voltage from
1.05 V to 1.825 V.
Open drain output that signals when the output voltage is in the proper operating range.
3.0 V Reference Output.
Regulator Shutdown. Pulling this pin high turns off both MOSFETs of the switching
regulator. SD has no effect on the linear regulator controller.
Feedback Input. Error amplifier input for remote sensing of the output voltage.
Current Sense Negative Node. Negative input for the current comparator.
Current Sense Positive Node. Positive input for the current comparator. The output current is
sensed as a voltage at this pin with respect to CS–.
External capacitor connected from CT to ground sets the OFF-Time of the device.
Error Amplifier Output and Compensation Point. The voltage at this output programs the
output current control level between CS+ and CS–.
Gate Drive for the 1.8 V linear regulator N-channel MOSFET.
Feedback Connections for the 1.8 V linear regulator controller.
Supply Voltage for the ADP3170.
Low-Side MOSFET Drive. Gate drive for the synchronous rectifier N-channel MOSFET.
The voltage at DRVL swings from GND to VCC.
High-Side MOSFET Drive. Gate drive for the buck switch N-channel MOSFET. The voltage
at DRVH swings from GND to VCC.
Power Ground. PGND should have a low impedance path to the source of the synchronous
MOSFET.
Small-Signal Ground. This ground reference can be used in conjunction with FB to provide
remote sensing of the output voltage at the CPU pins.
6
7
8
9
10
11
FB
CS–
CS+
12
13
CT
COMP
14
15
16
17
LRDRV
LRFB
VCC
DRVL
18
DRVH
19
PGND
20
GND
PIN CONFIGURAT ION
RU-20
TOP VIEW
(Not to Scale)
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
ADP3170
FB
SD
REF
PWRGD
CT
COMP
PGND
DRVH
DRVL
LRDRV
LRFB
VCC
VID3
GND
VID2
VID1
VID0
VID25
CS+
CS
–
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| ADP3170JRU-REEL7 | 制造商:Analog Devices 功能描述: |
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| ADP3170JRUZ-REEL7 | 功能描述:IC CTRLR VRM 8.5 W/REG 20TSSOP RoHS:是 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) |
| ADP3171 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Synchronous Buck Controller with Dual Linear Regulator Controllers |
| ADP3171JR | 制造商:Rochester Electronics LLC 功能描述:1.2V VTT BUCK CNTRLR W/2 LDOS & PWR GOOD - Bulk |
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