参数资料
型号: TPS51020EVM-001
厂商: Texas Instruments
文件页数: 1/28页
文件大小: 0K
描述: EVAL MODULE FOR TPS51020-001
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 2,非隔离
输出电压: 3.3V,5V
电流 - 输出: 6A,6A
输入电压: 8 ~ 20 V
稳压器拓扑结构: 降压
频率 - 开关: 300kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: TPS51020
产品目录页面: 1028 (CN2011-ZH PDF)
相关产品: TPS51020DBTRG4-ND - IC DUAL DC/DC SYNC CTRLR 30TSSOP
296-26971-2-ND - IC DUAL DC/DC SYNC CTRLR 30TSSOP
TPS51020DBTG4-ND - IC DUAL DC/DC SYNC CTRLR 30TSSOP
296-15896-5-ND - IC DUAL DC/DC CTRLR SYNC 30TSSOP
其它名称: 296-18958
TPS51020
SLUS564C ? JULY 2003 ? REVISED OCTOBER 2008
DUAL, VOLTAGE MODE, DDR SELECTABLE, SYNCHRONOUS,
STEP DOWN CONTROLLER FOR NOTEBOOK SYSTEM POWER
FEATURES
D Wide Input Voltage Range: 4.5-V to 28-V
D Selectable Dual and DDR Modes
D Selectable Fixed Frequency Voltage Mode
D Advanced Power Good Logic Monitors both
Channels
D Selectable Autoskip Mode
D Integrated Boot Strap Diodes
D 180 ° Phase Shift Between Channels
D Integrated 5-V, 60-mA Regulator
D Input Feedforward Control
D 1% Internal 0.85-V Reference
D R DS(on) Overcurrent Detection (4200 ppm/ ° C)
D Integrated OVP, UVP and Power Good Timers
D 30-pin TSSOP Package
DESCRIPTION
The TPS51020 is a multi-function dual-
synchronous step-down controller for notebook
system power. The part is specifically designed
for high performance, high efficiency applications
where the loss associated with a current sense
resistor is unacceptable. The TPS51020 utilizes
feed forward voltage mode control to attain high
efficiency without sacrificing line response.
Efficiency at light load conditions can be
maintained high as well by incorporating autoskip
operation. A selectable, Suspend to RAM (STR)
supported, DDR option provides a one chip
solution for all switching applications from
5-V/3.3-V supply to a complete DDR termination
solution.
ORDERING INFORMATION
TA
PLASTIC TSSOP (DBT)
APPLICATIONS
D Notebook Computers System Bus and I/O
D DDR I or DDR II Termination
?40 ° C to 85 ° C
VIN
TPS51020DBT
TPS51020DBTR (T&R)
SIMPLIFIED
VO1
1
INV1
TPS51020
VBST1 30
APPLICATION
DIAGRAM
2 COMP1
3 SSTRT1
4 SKIP
OUT1_U
LL1
OUT1_D
29
28
27
VO1
VO1_VDDQ
VIN
VO1
VO2
VREG5
5
6 DDR
7 GND
8 REF_X
9 ENBL1
10 ENBL2
11 VO2
12 PGOOD
13 SSTRT2
OUTGND1
TRIP1
VIN
TRIP2
VREG5
REG5_IN
OUTGND2
OUT2_D
LL2
26
25
24
23
22
21
20
19
18
EXT_5V
VREG5
VIN
VO2
14 COMP2
15 INV2
OUT2_U
VBST2
17
16
VO2
UDG?03144
VIN
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
www.ti.com
Copyright ? 2003, Texas Instruments Incorporated
1
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