参数资料
型号: LT3003EMSE#PBF
厂商: Linear Technology
文件页数: 5/16页
文件大小: 0K
描述: IC LED DRIVER BALLASTER 10-MSOP
标准包装: 50
拓扑: PWM,降压(降压),升压(升压)
输出数: 3
内部驱动器:
类型 - 主要: 车载,背光
电源电压: 3 V ~ 40 V
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘
供应商设备封装: 10-MSOP 裸露焊盘
包装: 管件
工作温度: -40°C ~ 125°C
LT3003
PIN FUNCTIONS
V EE (Pin 10): Lower Rail.
? Boost: Connect to System Ground
? Buck Mode: Connect to Inductor
? Buck-Boost Mode: Connect to Input Supply
BLOCK DIAGRAM
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.
1
LED1
4
V MAX
2
LED2
3
LED3
V IN
B1
+
B2
+
B3
B1 B2 B3
V EE
10
PWM
+
V IN
5
LOGIC
V EE
3V
6
PWM
+
+
SHDN
9
0.5V
0.7V
OT1
7
BIAS
THERMAL
SHUTDOWN
BG
BG
125 ° C
OT2
8
150 ° C
11
EXPOSED PAD
3003 F01
Figure 1. Block Diagram
3003fa
5
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