参数资料
型号: LT1935ES5#TRM
厂商: Linear Technology
文件页数: 7/8页
文件大小: 0K
描述: IC REG BST FLYBK SEPIC TSOT23-5
标准包装: 500
类型: 升压(升压),回扫,Sepic
输出类型: 可调式
输出数: 1
输出电压: 1.27 V ~ 38 V
输入电压: 2.3 V ~ 16 V
PWM 型: 电流模式
频率 - 开关: 1.2MHz
电流 - 输出: 2A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-5 细型,TSOT-23-5
包装: 带卷 (TR)
供应商设备封装: TSOT-23-5
其它名称: LT1935ES5
LT1935ES5-ND
LT1935
TYPICAL APPLICATIO S
Efficiency, V OUT = 5V
5V Boost Converter
90
V IN
2.3V TO 4.8V
L1
1.8 μ H
D1
V OUT
5V
1A, V IN = 3.3V
85
80
V IN = 3.3V
V IN = 2.5V
C1
4.7 μ F
V IN
LT1935
SW
R1
29.4k
C3
150pF
0.6A, V IN = 2.5V
C2
75
70
ON OFF
SHDN
GND
FB
R2
10k
20 μ F
65
60
55
C1, C2: X5R OR X7R 6.3V
D1: ON SEMI MBRM120
L1: SUMIDA CR43-1R8
1935 TA01
50
0
200
400
600
800
1000
1200
LOAD CURRENT (mA)
3.3V to 12V Boost Converter
V IN
3.3V
L1
4.2 μ H
D1
V OUT
12V
320mA
C1
4.7 μ F
V IN
LT1935
SW
47pF
R1
84.5k
C2
ON OFF
SHDN
GND
FB
R2
22 μ F
10k
PACKAGE DESCRIPTIO
D1: ON SEMI MBRM120
L1: SUMIDA CDRH5D28-4R2
S5 Package
5-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1635)
1935 TA02
0.62
MAX
0.95
REF
1.22 REF
2.90 BSC
(NOTE 4)
3.85 MAX 2.62 REF
1.4 MIN
2.80 BSC
1.50 – 1.75
(NOTE 4)
PIN ONE
0.20 BSC
RECOMMENDED SOLDER PAD LAYOUT
PER IPC CALCULATOR
0.95 BSC
0.80 – 0.90
0.30 – 0.45 TYP
5 PLCS (NOTE 3)
0.01 – 0.10
1.00 MAX
DATUM ‘A’
NOTE:
0.30 – 0.50 REF
0.09 – 0.20
(NOTE 3)
1.90 BSC
S5 TSOT-23 0302
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193
1935f
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.
7
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