參數(shù)資料
型號： TPS5102DBT
廠商： Texas Instruments, Inc.
英文描述： DUAL, HIGH-EFFICIENCY CONTROLLER FOR NOTEBOOK PC POWER
中文描述： 雙路，高效率筆記本電腦電源控制器
文件頁數(shù)： 7/31頁
文件大?。?/td> 987K
代理商： TPS5102DBT
TPS5102
DUAL, HIGH-EFFICIENCY CONTROLLER FOR NOTEBOOK PC POWER
SLVS239 - 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
Ivref = 50
μ
A
Ivref = 50
μ
A
Vcc = 4.5
,
25V,
I = 0.1
μ
A to 1 mA
MIN
1.167
TYP
1.185
MAX
1.203
UNIT
Vref
Reference voltage
TA = 25
°
C,
V
1.155
1.215
Regin
Line regulation
I = 50
μ
A
0.2
12
mV
Regl
Load regulation
0.5
10
mV
quiescent current
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Icc
Operating current without switching
Both STBY > 2.5 V,
No switching,
Vin = 4.5 – 25 V
0.6
1.5
mA
Iccs
Stand-by current
Both STBY < 0.5 V, Vin = 4.5 – 25 V
1
1000
nA
oscillator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fosc
Frequency
PWM operation
500
kHz
k
RT
fdv
fdt
Timing resistor
56
fosc change
Vcc = 4.5 V to 25 V
TA = -40
°
C to 85
°
C
DC, includes internal comparator error
0.1%
2%
VoscH
H level output voltage
H-level output voltage
1
1.1
1.2
V
Fosc = 200 kHz, Includes internal comparator error
1.17
VoscL
L level output voltage
L-level output voltage
Includes internal comparator error
Fosc = 200 kHz, Includes internal comparator error
0.4
0.5
0.43
0.6
V
error amp
PARAMETER
TEST CONDITIONS
TA = 25
°
C
MIN
TYP
±
2
MAX
±
10
UNIT
Vio
Input offset voltage
mV
Av
Open-loop voltage gain
50
dB
GB
Unity-gain bandwidth
0.8
MHz
μ
A
μ
A
Isnk
Output sink current
Vo = 0.4 V
30
45
Isrc
Output source current
Vo = 1 V
300
skip comparator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vhys
Hysteresis window
6
9.5
13
mV
Vhoff
Offset voltage
2
mV
Ihbias
Bias current
Propagation delay from INV to OUTxU
10
pA
μ
s
μ
s
TLHT
TLH
Vhys is assured by design.
The total delay in the table includes the driver delay.
TTL input signal
0.7
10 mV overdrive on hysteresis band signal
1.2
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