参数资料
型号: LTC1772CS6#TRM
厂商: Linear Technology
文件页数: 11/12页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM SOT23-6
标准包装: 500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 650kHz
占空比: 100%
电源电压: 2.5 V ~ 9.8 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: SOT-23-6 细型,TSOT-23-6
包装: 带卷 (TR)
其它名称: LTC1772CS6
LTC1772CS6-ND
LTC1772
TYPICAL APPLICATIO
LTC1772 High Efficiency, Small Footprint 3.3V to 1.8V/0.5A Regulator
V IN
R1
0.15 ?
C1
10 μ F
10V
3.3V
R4
10k
C3
220pF
1
2
3
I TH /RUN PGATE
LTC1772
GND V IN
V FB SENSE –
6
5
4
L1
M1 10 μ H
D1
+
C2
47 μ F
6V
R2
V OUT
1.8V
0.5A
100k
C1: TAIYO YUDEN CERAMIC
LMK325BJ106K-T
L1: COILTRONICS UP1B-100
M1: Si3443DV
R3
80.6k
C2: SANYO POSCAP 6TPA47M R1: DALE 0.25W
D1: MOTOROLA MBRM120T3
PACKAGE DESCRIPTIO N
S6 Package
6-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1636)
1772 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 ID
RECOMMENDED SOLDER PAD LAYOUT
PER IPC CALCULATOR
0.20 BSC
DATUM ‘A’
0.30 – 0.50 REF
NOTE:
0.09 – 0.20
(NOTE 3)
0.95 BSC
0.80 – 0.90
1.00 MAX
1.90 BSC
0.30 – 0.45
6 PLCS (NOTE 3)
0.01 – 0.10
S6 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
1772fb
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.
11
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