参数资料
型号: TPS53126PWR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 0.17 A DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO24
封装: PLASTIC, TSSOP-24
文件页数: 28/30页
文件大小: 899K
代理商: TPS53126PWR
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2
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11
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12
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10
24
23
22
21
20
19
18
14
17
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16
15
TSSOP (PW) Package
(Top View)
VBST1
EN1
VO1
VFB1
GND
TEST1
VFB2
VO2
EN2
VBST2
DRVH1
SW1
DRVL1
PGND1
TRIP1
VIN
VREG5
V5FILT
TEST2
TRIP2
PGND2
DRVL2
SW2
DRVH2
TRIP1
VIN
VO1
VFB1
GND
TEST1
VREG5
V5FILT
TEST2
TRIP2
VFB2
VO2
EN1
VBST1
DR
VH1
SW1
DR
VL1
PGND1
EN2
VBST2
DR
VH2
SW2
DR
VL2
PGND2
15
14
13
QFN (RGE) Package
(Top View)
24
23
22
21
20
19
1
2
3
4
5
7
8
9
10
1
12
18
17
16
6
FUNCTIONAL BLOCK DIAGRAM
4V/3.7V
V5FILT
VO1
VBST1
DRVH1
SW1
DRVL1
PGND1
Switcher Controller
Fault
Ref
Sdn
ON1
BGR
EN/SS Control
Fault
Ref
Sdn
ON2
Switcher Controller
TRIP1
TRIP2
VFB1
VFB2
TEST1
EN1
EN2
GND
TEST2
VREG5
TSD
VO2
VBST2
DRVH2
SW2
DRVL2
PGND2
www.ti.com........................................................................................................................................................................................................ SLUS909 – MAY 2009
PIN FUNCTIONS (continued)
PIN
I/O
DESCRIPTION
QFN
TSSOP
NAME
24
TEST1
4
7
O
Test interface pin, not used during application. Connect directly to GND.
Frequency select pin. Connect to GND for 350kHz switching. Connect to V5FILT for
TEST2
14
17
I
700kHz switching.
Copyright 2009, Texas Instruments Incorporated
7
Product Folder Link(s): TPS53126
相关PDF资料
PDF描述
TPS53126RGET 0.17 A DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PQCC24
TPS53126PW 0.17 A DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO24
TPS53129PWR DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO24
TPS53129RGET DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PQCC24
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