參數(shù)資料
型號： TPS5103DB
廠商： Texas Instruments, Inc.
英文描述： MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
中文描述： 多模同步DC / DC控制器
文件頁數(shù)： 7/37頁
文件大?。?/td> 1052K
代理商： TPS5103DB
TPS5103
MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
SLVS240 – SEPTEMBER 1999
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
CC
= 7 V
(unless otherwise noted)
reference voltage
PARAMETER
TEST CONDITIONS
MIN
1.167
TYP
1.185
MAX
1.203
UNIT
V f
Vref
Reference voltage
TA = 25
°
C,
Ivref = 50
μ
A
VCC = 4.5 V to 25 V,
I = 1
μ
A to 1 mA
Ivref = 50
μ
A
V
1.155
1.215
Regin
Line regulation
Load regulation
I = 50
μ
A
0.2
12
mV
Regl
Not a JEDEC symbol.
0.5
10
mV
oscillator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f
Frequency
PWM mode
500
kHz
k
RT
fdv
Timing resistor
47
Frequency change
VCC = 4.5 V to 25 V
TA = –40
°
C to 85
°
C
DC includes internal comparator error
0.1%
fdt
2%
High level output voltage
High-level output voltage
1
1.1
1.2
V
VHL
f = 200 kHz, includes internal comparator error
1.17
Low level output voltage
Low-level output voltage
DC includes internal comparator error
f = 200 kHz, includes internal comparator error
0.4
0.5
0.43
0.6
V
VLL
Not a JEDEC symbol.
The output voltages of oscillator (f = 200 kHz) are ensured by design.
error amp
PARAMETER
TEST CONDITIONS
TA = 25
°
C
MIN
TYP
MAX
UNIT
V
Input offset voltage
Open-loop voltage gain
Unity-gain bandwidth
2
10
mV
Av
50
dB
GB
0.8
MHz
μ
A
μ
A
IO
IS
Output sink current
VO = 0.4 V
30
45
Output source current
VO = 1 V
300
Not a JEDEC symbol.
hysteresis comparator
§
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vhsy
Vp-VS
I
Hysteresis window
Hysteretic mode
6
9.7
13
mV
Offset voltage
2
mV
Bias current
10
pA
tPHL
tPLH
§The numbers in the table include the driver delay. All numbers are ensured by design.
Propagation delay from INV to OUT_U
TTL input signal
230
ns
10 mV overdrive on hysteresis band signal
400
ns
control
PARAMETER
TEST CONDITIONS
STBY
MIN
2.5
TYP
MAX
UNIT
VIHA
High level input voltage
High-level input voltage
V
PWM_SKIP
2
VILA
Low level input voltage
Low-level input voltage
STBY
PWM_SKIP
0.5
0.5
V
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TPS5103IDBR 功能描述:DC/DC 開關(guān)控制器 Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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