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參數(shù)資料
| 型號： | US3021BCW |
| 廠商： | Unisem Group |
| 英文描述： | 5 BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS TRIPPLE LDO CONTROLLER |
| 中文描述： | 5位可編程同步降壓普樂士TRIPPLE LDO控制器 |
| 文件頁數(shù)： | 7/8頁 |
| 文件大小： | 62K |
| 代理商： | US3021BCW |
US3021B
4-7
Rev. 1.4
12/8/00
TYPICAL APPLICATION
(Dual Layout with HIP6021)
3021Bapp2-1.0
12V
3.3Vin
Vout3
1.5V
Vout4
1.8V
PGood
Vcore
C6
C2
L1
R11
C17
R12
C16
R8
C14
Q3
C22
R14
R6
C7
L2
R7
R4
Q1
C3
C4
R2
C5
Q5
C15
C19
C20
R10
R1
5V
C1
U1
R9
Q4
C18
Q2
C13
Vout2
1.5V / 3.3V
R15
Type Detect
R13
C21
Vcc3
DRIVE3
VSEN4
14
GND
17
VSEN3
SELECT
SD
VID3
VID2
FAULT/RT
VID1
VID0
PGND
V12
DRIVE4
LGATE
PHASE
6
15
7
19
13
18
21
22
24
11
25
9
26
28
UGATE 27
OCSET
23
SS
12
4
5
FB
VSEN1
PGOOD 8
V5
(COMP)
20
Vaux
16
DRIVE2
VSEN2
10
1
VID4 3
FIX
2
R3
R5
S - Short
O - Open
V - See Unisem or Harris parts list for the value.
Table 2 - Dual layout component table
Note 1: If Q4 and Q5 are changed to MOSFETs such as IRLR024, then R2 is short and R4 is open.
Figure 2 - Typical application of US3021B in a dual layout with HIP6021 for an on board DC-DC converter
providing power for the Vcore , GTL+, 1.8V chip set supply as well as auto select AGP supply for the next
generation PC applications.
Part#
HIP6021
US3021B
R3
O
O
R5
S
O
R9
O
O
R10
V
O
R15
O
S
C15
O
V
C16
V
O
C17
V
O
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| US3021M | 5 BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS TRIPPLE LDO CONTROLLER |
| US3021MCW | 5 BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS TRIPPLE LDO CONTROLLER |
| US3022 | 4 BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS FOUR LDO CONTROLLER |
| US3022CW | 4 BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS FOUR LDO CONTROLLER |
| US3027 | 5 BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS TRIPPLE LDO CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| US3021M | 制造商:UNISEM 制造商全稱:UNISEM 功能描述:5 BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS TRIPPLE LDO CONTROLLER |
| US3021MCW | 制造商:UNISEM 制造商全稱:UNISEM 功能描述:5 BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS TRIPPLE LDO CONTROLLER |
| US3022 | 制造商:UNISEM 制造商全稱:UNISEM 功能描述:4 BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS FOUR LDO CONTROLLER |
| US3022CW | 制造商:UNISEM 制造商全稱:UNISEM 功能描述:4 BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS FOUR LDO CONTROLLER |
| US3026A | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL-CHANNEL USB POWER SWITCH AND OVER-CURRENT PROTECTION |
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