参数资料
型号: TPS51020EVM-001
厂商: Texas Instruments
文件页数: 17/28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
APPLICATION INFORMATION
D The output voltage sensing trace and the feedback components should be as short as possible and be
isolated from the power components and traces.
D The low pass filter for VIN should be placed close to the TPS51020 and be referenced to signal GND.
D The bootstrap capacitor C BST (connected from VBST to LL) should be placed close to the TPS51020.
D VREG5 requires at least 4.7- μ F bypass capacitor which should be placed close to the TPS51020 and be
referenced to signal GND.
D The discharge (VO1_VDDQ, VO2) should better have a dedicated trace to the output capacitor. In case of
limiting the discharge current, series resistors should be added.
D Ideally, all of the area directly under the TPS51020 chip should also be signal GND.
TPS51020
1 INV1
VBST1 30
Cin1
H_FET1
2 COMP1
OUT1_U 29
C BST1
L01
Rtrip1 Ctrip1
CH1 Output Voltage (+)
+
3 SSTRT1
LL1 28
L_FET1
4 SKIP
OUT1_D 27
Co1
CH1 Output Voltage (GND)
5 VO1_VDDQ
6 DDR
OUTGND1 26
TRIP1 25
Rvin
?
Input Voltage (+)
Signal GND
7 GND
8 REF_X
9 ENBL1
VIN 24
TRIP2 23
VREG5 22
Cvinbp
Cin
Power GND
+
Input Voltage (GND)
?
Cvreg5
10 ENBL2
REG5_IN 21
CH2 Output Voltage (GND)
11 VO2
12 PGOOD
OUTGND2 20
OUT2_D 19
L_FET2
?
13 SSTRT2
LL2 18
Co2
CH2 Output Voltage (+)
+
14 COMP2
OUT2_U 17
L02
15 INV2
VBST2 16
C BST2
Cin2
H_FET2
Rtrips Ctrip2
Figure 4. PCB Trace Guideline
www.ti.com
17
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