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TPS62320DRCR 数据表(PDF) 22 Page - Texas Instruments

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部件名 TPS62320DRCR
功能描述  500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING
PDF  31 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TPS62320DRCR 数据表(HTML) 22 Page - Texas Instruments

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APPLICATION EXAMPLES
VIN
VOUT
TPS62303YZD
L1
ADJ
C
IN
VOUT
1.8 V / 500 mA
2.7 V − 6 V
C
1
V IN
SW
EN
MODE/SYNC
FB
A2
B2
C1
D1
B1
C2
D2
GND
A1
VIN
SW
TPS62304YZD
L 2
ADJ
V
OUT
1.2 V / 500 mA
C 2
VOUT
EN
MODE/SYNC
FB
A2
B2
C1
B1
D1
C2
D2
GND
A1
1G08
10
µF
10
µF
10
µF
Low: None Synchronized Operation
PFM/PWM Automatic Switch
High: Synchronized Operation
Forced 3 MHz Fixed Frequency Operation
List of Components:
L1, L2 = Taiyo Yuden LQ CB2016
CIN, C1, C2, = X5R/X7R Ceramic Capacitor
Ch1: SW (1.8-V Output), Ch2: IL1
Ch3: SW (1.2-V Output), Ch4: IL2
Ch1
Ch3
Ch2
Ch4
VIN
VOUT
TPS62300YZD
L1
ADJ
1.8 V / 500 mA
C
1
SW
EN
MODE/SYNC
FB
A2
B2
C1
D1
B1
C2
D2
GND
A1
Fast Start−Up LDO
VIN
VOUT
GND
EN
EN
10
µF
1
µH
10
µF
C
IN
2.7 V . . 6 V
V IN
22 nF
2.2 M
Ω
10 k
Ω
List of Components:
L1 = Taiyo Yuden LQ CB2016
CIN, C1 = X5R/X7R Ceramic Capacitor
Ch1: VO
Ch3: Inductor Current: IL1
Ch3: EN − External Control Signal
VI = 2.8 V,
RL = 10 W
VO
EN
IL1
VOUT(LDO) = 0.98 x VOUT(NOM)
VOUT
TPS62300, TPS62301, TPS62302
TPS62303, TPS62305, TPS62311
TPS62313, TPS62320, TPS62321
SLVS528B – JULY 2004 – REVISED JUNE 2005
Figure 37. Dual, Out-of-Phase, 3-MHz, 500-mA Step-Down Regulator
Features Less Than 50-mm2 Total Solution Size
Figure 38. Speed-Up Circuitry for Fast Turnon Time
22



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