參數(shù)資料
型號: LT303EMSE#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 0.55 A FLUORESCENT LIGHT CONTROLLER, PDSO10
封裝: LEAD FREE, PLASTIC, MSOP-10
文件頁數(shù): 12/16頁
文件大小: 211K
代理商: LT303EMSE#TRPBF
LT3003
5
3003fa
BLOCK DIAGRAM
Figure 1. Block Diagram
1
2
+
+
+
4
VEE
B1 B2 B3
LED1
PWM
0.5V
VMAX
LED2
11
EXPOSED PAD
LED3
3
VIN
3V
5
VEE
SHDN
0.7V
9
OT1
7
PWM
LOGIC
THERMAL
SHUTDOWN
BIAS
BG
125
°C
150
°C
OT2
3003 F01
8
6
+
10
+
B2
B1
VIN
B3
VEE (Pin 10): Lower Rail.
Boost: Connect to System Ground
Buck Mode: Connect to Inductor
Buck-Boost Mode: Connect to Input Supply
Exposed Pad (Pin 11): GND. The ground for the IC should
be soldered to a continuous copper ground plane under
the LT3003 die. Soldering the Exposed Pad to the copper
ground plane under the device will reduce thermal resis-
tance and increase the power capability of the LT3003.
PIN FUNCTIONS
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