參數(shù)資料
型號： TPS6734I
廠商： Texas Instruments, Inc.
英文描述： FIXED 12-V 120-mA BOOST-CONVERTER SUPPLY
中文描述： 固定12伏120毫安升壓轉(zhuǎn)換器供電
文件頁數(shù)： 6/19頁
文件大?。?/td> 285K
代理商： TPS6734I
TPS6734I
FIXED 12-V 120-mA BOOST-CONVERTER SUPPLY
SLVS127A – AUGUST 1995 – REVISED JANUARY 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage
2.7
5
12
V
μ
F
μ
A
μ
F
°
C
Compensation capacitor
0.001
Output current at REF
0
100
Reference capacitor
0.01
Operating free-air temperature, TA
–40
85
electrical characteristics over recommended operating free-air temperature range, V
CC
= 5 V,
I
O(LOAD)
= 0 mA, EN = 5 V, typical values are at T
A
= 25
°
C (unless otherwise noted) (refer to circuit
shown in Figure 13)
PARAMETER
TEST CONDITIONS
MIN
TYP
1.2
MAX
2.5
UNITS
mA
μ
A
μ
A
V
Operating
Entire circuit
Supply current
Standby
EN = 0.4 V, entire circuit
3
EN = 0.4 V, into VCC
3
High-level input threshold voltage at EN
2
Low-level input threshold voltage at EN
0.4
V
μ
A
μ
A
V
Shutdown input leakage current at EN
–1
1
On resistance at OUT
Current at OUT = 500 mA
0.7
Leakage current at OUT
VDS = 12 V
1
Reference voltage
1.22
Reference drift
TA = –40
°
C to 85
°
C
6.7
ppm/
°
C
kHz
Oscillator frequency
170
Compensation pin impedance
7500
performance characteristics over recommended operating free-air temperature range, typical
circuit connected as shown in Figure 13, typical values are at T
A
= 25
°
C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Output voltage
VCC = 4.75 V,
VCC = 3.75 V
VCC = 3.0 V,
VCC = 5 V to 12 V,
IO(LOAD) = 0 mA to 120 mA
VCC = 5 V,
0 mA < IO(LOAD) < 120 mA
11.64
12.12
12.6
V
Load current
120
150
mA
Figure 11
150
Line regulation
IO(LOAD) = 50 mA
0.20%
Load regulation
0.0042%
Efficiency
IO(LOAD) = 120 mA
86%
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TPS6734IDG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 120mA 12V RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS6734IDR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 120mA 12V RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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TPS6734IP 功能描述:直流/直流開關(guān)調(diào)節(jié)器 120mA 12V RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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