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參數(shù)資料
| 型號(hào)： | LTC1148-3.3 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C |
| 中文描述： | 射頻放大器 |
| 文件頁數(shù)： | 19/20頁 |
| 文件大?。?/td> | 319K |
| 代理商： | LTC1148-3.3 |
19
LTC1148
LTC1148-3.3/LTC1148-5
TYPICAL APPLICATIU
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
S14 0695
1
2
3
4
0.150 – 0.157**
(3.810 – 3.988)
14
13
0.337 – 0.344*
(8.560 – 8.738)
0.228 – 0.244
(5.791 – 6.197)
12
11
10
9
5
6
7
8
0.016 – 0.050
0.406 – 1.270
0.010 – 0.020
(0.254 – 0.508)
×
45
°
0
°
– 8
°
TYP
0.008 – 0.010
(0.203 – 0.254)
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
TYP
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
*
**
1
2
3
4
5
6
7
14
13
12
11
10
9
8
P-DRIVE
NC
V
IN
C
T
INTV
CC
I
TH
SENSE
–
N-DRIVE
NC
PGND
SGND
SHUTDOWN
V
FB
SENSE
+
LTC1148
1
μ
F
1000pF
R
**
0.05
SHUTDOWN
*L
50
μ
H
NDS9410A
D1
MBRS140T3
+
V
5.2V TO 14V
+
C
OUT
220
μ
F
10V
×
2
OS-CON
V
3.3V/2A
OR 5V/2A
C
3300pF
R
C
1k
C
390pF
*COILTRONICS CTX50-2-MP
**KRL SL-1-C1-0R050R
LTC1148 F17
10nF
NDS9435A
C
IN
100
μ
F
20V
100pF
R1B
43k
1%
R2
56k
1%
R1A
33k
1%
VN2222LL
0V: V
OUT
= 3.3V
5V: V
OUT
= 5V
+
Figure 17. Logic Selectable 5V/1A or 3.3V/1A High Efficiency Regulator
N14 1197
0.255
±
0.015*
(6.477
±
0.381)
0.770*
(19.558)
MAX
3
1
2
4
5
6
7
8
9
10
11
12
13
14
0.020
(0.508)
MIN
0.125
(3.175)
MIN
0.130
±
0.005
(3.302
±
0.127)
0.045 – 0.065
(1.143 – 1.651)
0.065
(1.651)
TYP
0.018
±
0.003
(0.457
±
0.076)
0.100
±
0.010
(2.540
±
0.254)
0.005
(0.125)
MIN
0.009 – 0.015
(0.229 – 0.381)
0.300 – 0.325
(7.620 – 8.255)
0.325–0.015
+0.889
–0.381
8.255
(
)
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
S Package
14-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
N Package
14-Lead PDIP (Narrow 0.300)
(LTC DWG # 05-08-1510)
PACKAGE DESCRIPTIOU
Dimensions in inches (millimeters) unless otherwise noted.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1148-5 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Efficiency Synchronous Step-Down Switching Regulators |
| LTC1148CN | 功能描述:IC REG CTRLR BUCK PWM CM 14-DIP RoHS:否 類別: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:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX |
| LTC1148CN#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 14-DIP RoHS:是 類別: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:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX |
| LTC1148CN-3.3 | 功能描述:IC REG CTRLR BUCK PWM CM 14-DIP RoHS:否 類別: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 升壓:是 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR) |
| LTC1148CN-3.3#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 14-DIP RoHS:是 類別: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:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
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