參數(shù)資料
型號： TPS51200DRCT
廠商： TEXAS INSTRUMENTS INC
元件分類： 模擬信號調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PDSO10
封裝： GREEN, PLASTIC, VSON-10
文件頁數(shù)： 6/35頁
文件大?。?/td> 1131K
代理商： TPS51200DRCT
www.ti.com
-3
-1
-2
0
1
2
3
I
OUT – Output Current – A
730
700
720
760
740
750
790
770
780
V
O
U
T
–
O
u
tp
u
t
V
o
lt
a
g
e
–
m
V
85°C
V
IN = 3.3 V
0°C
-40°C
25°C
710
0°C
25°C
85°C
DDR3
-40°C
LDO Design Guidelines
SLUS812 – FEBRUARY 2008
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
Figure 6. DC Regulaltion
Figure 7. Transient
The minimum input to output voltage difference (headroom) decides the lowest usable supply voltage Gm-driven
to drive a certain load. For TPS51200, a minimum of 300 mV (VLDOINMIIN – VOMAX) is needed in order to
support a Gm driven sourcing current of 2 A based on a design of VIN = 3.3 V and COUT = 3 × 10F. Because the
TPS51200 is essentially a Gm driven LDO, its impedance characteristics are both a function of the 1/Gm and
RDS(on) of the sourcing MOSFET (see Figure 8). The current inflection point of the design is between 2 A and 3 A.
When ISRC is less than the inflection point, the LDO is considered to be operating in the Gm region; when ISRC is
greater than the inflection point but less than the overcurrent limit point, the LDO is operating in the RDS(on)
region. The maximum sourcing RDS(on) is 0.144 with VIN = 3.0 V and TJ = 125°C.
14
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS51200
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS51200DRCT 制造商:Texas Instruments 功能描述:IC DDR TERMINATION REGULATOR 3A SON10 制造商:Texas Instruments 功能描述:IC, DDR TERMINATION REGULATOR, 3A, SON10
TPS51200DRCTG4 功能描述:低壓差穩(wěn)壓器 - LDO Sink/Source DDR Term Reg RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS51200EVM 功能描述:電源管理IC開發(fā)工具 TPS51200 Sink Source DDR Term Reg RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
TPS51200MDRCTEP 功能描述:- Converter, DDR Voltage Regulator IC 1 Output 10-VSON (3x3) 制造商:texas instruments 系列:- 包裝:剪切帶（CT） 零件狀態(tài):新產(chǎn)品 應(yīng)用:轉(zhuǎn)換器，DDR 電壓 - 輸入:2.38 V ~ 3.5 V 輸出數(shù):1 電壓 - 輸出:- 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商器件封裝:10-VSON（3x3） 標(biāo)準(zhǔn)包裝:1
TPS51200-Q1 制造商:TI 制造商全稱:Texas Instruments 功能描述:SINK/SOURCE DDR TERMINATION REGULATOR
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