参数资料
型号: TPS60251RTWR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHED CAPACITOR CONVERTER, 750 kHz SWITCHING FREQ-MAX, PQCC24
封装: 4 X 4 MM, GREEN, PLASTIC, QFN-24
文件页数: 22/26页
文件大小: 783K
代理商: TPS60251RTWR
www.ti.com
FUNCTIONAL BLOCK DIAGRAM
6
DM5
4
DS1
5
DS2
16
15
14
13
DM4
DM3
DM2
DM1
GEAR
CONTROL
&
OPENLAMP
DETECTION
1X, 1.5XCHARGEPUMP
23
VOUT
19
20
21
22
C 1 -
C 2 +
C 2 -
C 1 +
24
VIN
I
2
C
INTERFACE
ENmain
MainDimming
ENsub1
ENsub 2
SubDimming
ENaux
AUXDimming
SCLK
SDAT
2
1
6
18
GND
BIAS, TEST,& MONITORING
ENold
10
GND
9
GND
3
7
17
ENA
VIO
IS
SLVS767C – APRIL 2007 – REVISED NOVEMBER 2007
TERMINAL FUNCTIONS (continued)
TERMINAL
I/O
DESCRIPTION
NAME
NO.
C1–
19
Connect to the flying capacitor C1
C2+
20
Connect to the flying capacitor C2
C2–
21
Connect to the flying capacitor C2
C1+
22
Connect to the flying capacitor C1
Connect the anodes of the sub, main, and aux display white LEDs to this pin. Bypass VOUT to GND with a
VOUT
23
O
4.7-
F or greater ceramic capacitor.
Supply voltage input. Connect to a 3-V to 6-V input supply source. Bypass VIN to GND with a 4.7-
F or
VIN
24
I
greater ceramic capacitor.
Copyright 2007, Texas Instruments Incorporated
5
Product Folder Link(s): TPS60251
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