參數(shù)資料
型號(hào): TPS2500DRCT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 6 A SWITCHING REGULATOR, 1075 kHz SWITCHING FREQ-MAX, PDSO10
封裝: 3 X 3 MM, 0.90 MM HEIGHT, PLASTIC, SON-10
文件頁(yè)數(shù): 6/41頁(yè)
文件大小: 1641K
代理商: TPS2500DRCT
VIN Input Voltage V
500
750
1000
1250
1500
1750
2000
2250
2500
1.75
2.25
2.75
3.25
3.75
4.25
4.75
5.25
I (
M
A
X
)
Maximum
T
otal
Current
mA
G002
Typical
Conservative
250 kHz
1 MHz
SLVS886C – OCTOBER 2008 – REVISED AUGUST 2010
www.ti.com
typical plot assumes nominal conditions—2.2 mH inductor, 1-MHz/250-kHz switching frequency, nominal
MOSFET on-resistances. The conservative plot assumes more pessimistic conditions—1.7 mH inductor,
925-kHz/230-kHz switching frequency, and maximum MOSFET on-resistances. The graph accounts for the
frequency change from 1-MHz to 250-kHz when VIN > VLFM (4.35 V typical) and for the no-frequency mode when
VIN > VNFM (5.05 V typical), which explains the discontinuities of the graph.
Table 2. Maximum Total DC/DC Current (IAUX + IUSB) at Common Input Voltages
Maximum Total Output Current (IAUX + IUSB)
Input Voltage (V)
Conservative (mA)
Typical (mA)
1.8
599
757
2.5
916
1113
2.7
1008
1216
3
1148
1374
3.3
1308
1536
3.6
1445
1704
4.35
1241
1730
4.5
1364
1858
4.75
1593
2093
5.05
2300
5.25
2300
SPACE ADDED
MAXIMUM TOTAL (AUXILIARY + USB) CURRENT
vs
INPUT VOLTAGE
Figure 12. Maximum Total DC/DC Current vs. Input Voltage
14
Copyright 2008–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS2500 TPS2501
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