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参数资料
| 型号： | TPS65058RGET |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.8 A DUAL SWITCHING CONTROLLER, 2475 kHz SWITCHING FREQ-MAX, PQCC32 |
| 封装： | 4 X 4 MM, GREEN, PLASTIC, VQFN-32 |
| 文件页数： | 24/26页 |
| 文件大小： | 1898K |
| 代理商： | TPS65058RGET |
FUNCTIONAL BLOCK DIAGRAM
L2
EN_DCDC1
ENABLE
VCC
FB_DCDC2
PGND2
AGND
EN_LDO1
ENABLE
EN_DCDC2
ENABLE
VLDO2
200 mA LDO
VLDO2
VLDO3
DCDC1(I/O)
STEP-DOWN
CONVERTER
600mA
VINDCDC1/2
L1
FB_DCDC1
PGND1
DCDC2(core)
STEP-DOWN
CONVERTER
1 A
VLDO1
400 mA LDO
VLDO3
200 mA LDO
VIN
VIN_LDO1
VIN_LDO2/3
ENABLE
VIN
2.2 mF
2.2 H
m
10 F
m
10 mF
2.2 mF
1 F
m
10 W
22 F
m
EN_LDO2
ENABLE
EN_LDO3
MODE
RESET
R19
I/OVoltage
4.7 mF
VLDO1
2.2 mF
2.2 F
m
VIN
3.3V
1.8V / 1.2V
3.3V/3.3V
1.8V/1.2V
1.8V/1.3V
PGOOD1
PGOOD2
Voltage
Switching(1/0)
DEF_DCDC2
DEF_LDO
Voltage
Switching(1/0)
2.2 F
m
www.ti.com................................................................................................................................................... SLVS851A – MAY 2008 – REVISED SEPTEMBER 2008
TERMINAL FUNCTIONS (continued)
TERMINAL
I/O
DESCRIPTION
NAME
NO.
Open drain active low reset output, 100ms reset delay time after both DCDC1 and DCDC2 are within 95% of nominal
RESET
10
O
output voltage (see Reset Generation and Output Monitoring section)
PowerPAD
–
Connect to GND
Copyright 2008, Texas Instruments Incorporated
7
Product Folder Link(s) :TPS65058
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