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參數資料
| 型號： | TPS62110MRSAREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 2.4 A SWITCHING REGULATOR, 1100 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封裝： | GREEN, PLASTIC, QFN-16 |
| 文件頁數： | 8/25頁 |
| 文件大小： | 630K |
| 代理商： | TPS62110MRSAREP |
SYNC
GND
PGND
SW
R1
560k
R2
300k
VO =3.3V
6.8 H
m
C =22 F
6.3V
O
m
VIN
LBI
C =10 F
25V
I
m
1 F
m
2
3
4
8
9
7
5
11
12
16
10
6
13
14
15
1
V =4.3Vto17V
I
VIN
EN
VINA
PGND
GND PwPD
R5
R6
AGND
TPS62110
SW
LBO
PG
R3
R7
R4
FB
Cff
10pF
NO LOAD OPERATION
THEORY OR OPERATION / DESIGN PROCEDURE
Inductor Selection
SLVS630C – APRIL 2007 – REVISED MAY 2008 .............................................................................................................................................................. www.ti.com
DETAILED DESCRIPTION (continued)
Figure 19. LBI With Increased Hysteresis
When the converter operates in the forced PWM mode and there is no load connected to the output, the
converter regulates the output voltage by allowing the inductor current to reverse for a short time.
Table 1. List of Inductors
MANUFACTURER (1)
TYPE
INDUCTANCE
DC RESISTANCE
SATURATION CURRENT
Coilcraft
MSS6132-682
6.8 H
65 mR (max)
1.5 A
Epcos
B82462G4682M
6.8 H
50 mR (max)
1.5 A
Sumida
CDRH5D28-6R2
6.2 H
33 mR (typ)
1.8 A
SLF6028T-6R8M1R5
6.8 H
35 mR (typ)
1.5 A
TDK
SLF7032T-6R8M1R6
6.8 H
41 mR (typ)
1.6 A
7447789006
6.8 H
44 mR (typ)
2.75 A
Wurth
7447779006
6.8 H
33 mR (typ)
3.3 A
744053006
6.2 H
45 mR (typ)
1.8 A
(1)
The manufacturer's part numbers are used for test purposes only.
The control loop of the TPS6211x family requires a certain value for the output inductor and the output capacitor
for stable operation. As long as the nominal value of L × C
≥ 6.2 H × 22 F, the control loop has enough phase
margin and the device is stable. Reducing the inductor value without increasing the output capacitor (or vice
versa) may cause stability problems. There are applications where it may be useful to increase the value of the
output capacitor, e.g., for a low transient output voltage change. From a stability point of view, the inductor value
could be decreased to keep the L × C product constant. However, there are drawbacks if the inductor value is
decreased. A low inductor value causes a high inductor ripple current and therefore reduces the maximum dc
output current. Table 2 gives the advantages and disadvantages when designing the inductor and output
capacitor.
16
Copyright 2007–2008, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS62110QRSAREP | 功能描述:IC REG BUCK SYNC ADJ 1.5A 16QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 系列:- 標準包裝:20 系列:SIMPLE SWITCHER® 類型:降壓（降壓） 輸出類型:固定 輸出數:1 輸出電壓:12V 輸入電壓:4 V ~ 60 V PWM 型:電壓模式 頻率 - 開關:52kHz 電流 - 輸出:1A 同步整流器:無 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 包裝:管件 供應商設備封裝:16-DIP 其它名稱:*LM2575HVN-12LM2575HVN-12 |
| TPS62110QRSARQ1 | 功能描述:直流/直流開關轉換器 AC Adj,1.5A,17V Vin Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| TPS62110RSA | 制造商:Texas Instruments 功能描述: |
| TPS62110RSAR | 功能描述:直流/直流開關調節器 Adj 1.5-A 17-V Vin Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62110RSARG4 | 功能描述:直流/直流開關轉換器 Adj 1.5-A 17-V Vin Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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