參數(shù)資料
型號(hào): LTC3770EG
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: Synchronous Controller with Margining, Tracking and PLL
中文描述: 4 A SWITCHING CONTROLLER, PDSO28
封裝: 5.30 MM, PLASTIC, SSOP-28
文件頁(yè)數(shù): 24/24頁(yè)
文件大小: 302K
代理商: LTC3770EG
24
LTC3770
3770f
PART NUMBER
LTC1622
LTC1625/LTC1775
LTC1628/LTC3728
DESCRIPTION
550kHz Step-Down Controller
No R
SENSE
Current Mode Synchronous Step-Down Controller
Dual, 2-Phase Synchronous Step-Down Controller
COMMENTS
8-Pin MSOP; Synchronizable; Soft-Start; Current Mode
97% Efficiency; No Sense Resistor; 16-Pin SSOP
Power Good Output; Minimum Input/Output Capacitors;
3.5V
V
IN
36V
Burst Mode
Operation; 16-Pin Narrow SSOP;
3.5V
V
IN
36V
Mobile VID; 0.925V
V
OUT
2V; 3.5V
V
IN
36V
Current Mode; 550kHz; Very Small Solution Size
Up to 95% Efficiency, 550kHz, 2.65V
V
IN
8.5V,
0.8V
V
OUT
V
IN
, Synchronizable to 750kHz
GN16-Pin, 0.8V
FB
Reference
3.5V
V
IN
36V, Power Good Output, 300kHz Operation
LTC1735
High Efficiency, Synchronous Step-Down Controller
LTC1736
LTC1772
LTC1773
High Efficiency, Synchronous Step-Down Controller with 5-Bit VID
SOT-23 Step-Down Controller
Synchronous Step-Down Controller
LTC1778
LTC1876
Wide Range, No R
SENSE
Synchronous Step-Down Controller
2-Phase, Dual Synchronous Step-Down Controller with
Step-Up Regulator
Dual, 2-Phase, No R
SENSE
Synchronous Step-Down Controller with
Output Tracking
Low V
IN
High Current Synchronous Step-Down Controller
3-Phase Synchronous Step-Down Controller
Low V
OUT
, No R
SENSE
Synchronous Step-Down Controller
Burst Mode is a registered trademark of Linear Technology Corporation.
LTC3708
Fast Transient Response Reduces C
OUT
; 4V
V
IN
36V,
0.6V
V
OUT
6V; 2-Phase Operation Reduces C
IN
1.5V
V
IN
36V, 0.8V
V
OUT
(0.9)V
IN
, I
OUT
Up to 20A
600kHz; Up to 60A Output
0.6V
V
OUT
(0.9)V
IN
, 4V
V
IN
36V, I
OUT
Up to 20A
LTC3713
LTC3731
LTC3778
LINEAR TECHNOLOGY CORPORATION 2004
LT/TP 1104 1K PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
RELATED PARTS
U
TYPICAL APPLICATIO
Typical Application 2.5V/10A Synchronized at 450kHz
R8
51k
R7
47k
INTV
CC
24
23
22
21
20
19
18
17
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
1
2
3
4
5
6
7
8
PLLFLTR PLLIN
PLLIN
V
IN
V
INSNS
ZV
IN
LTC3770EUH
3770 TA02b
PGOOD V
ON
RUN FCB
FCB
V
REFOUT
MPGM TRACK/SS
Z0 BOOST TG
SW
SENSE+
SENSE–
PGND
BG
DRV
CC
INTV
CC
Z2
Z1
V
RNG
V
FB
I
TH
SGND
R1
30.1k
R2
95.3k
CC1
1000pF
MARGIN1
V
REFIN
I
ON
MARGIN0
MARGIN1
RUN
PGOOD
MARGIN0
R
ON
75k
R5
10k
R
C
10k
R6
82k
R
PL
10k
RV
IN
10
R
RUN
51k
R4
39k
R3
11k
R
100k
CC2
100pF
C
F
220pF
CV
IN
0.01
μ
F
0.1
μ
F
C
SS
0.1
μ
F
M1
PH3230
CV
CC
10
μ
F
DB
CMDSH-3
D1
B340A
C
IN
10
μ
F
50V
x3
V
2.5V
10A
V
5V TO 28V
CB
0.22
μ
F
M2
PH3230
L1
1.8
μ
H
C
OUT3
22
μ
F
X5R
x2
C
OUT
180
μ
F
4V
x2
+
C
1000pF
C
PL
0.01
μ
F
L1: BI TECH 1.8
H HM65-H1R8-TB
M1, M2: PHILIPS PH3230
C
IN
: TDK C4532X5R1H685M
C
OUT
: PANASONIC EEFUE0G181R
1000pF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3770EG#PBF 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
LTC3770EG#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
LTC3770EUH#PBF 功能描述:IC REG CTRLR BUCK PWM CM 32-QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
LTC3770EUH#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 32-QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
LTC3772BEDDB#TRMPBF 功能描述:IC REG CTRLR BUCK PWM CM 8-DFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤(pán) 包裝:帶卷 (TR)