参数资料
型号: TPS5102IDBT
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 3 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO30
封装: GREEN, PLASTIC, TSSOP-30
文件页数: 32/34页
文件大小: 1182K
代理商: TPS5102IDBT
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, VCC = 7 V
(unless otherwise noted)
reference voltage
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vref
Reference voltage
TA = 25°C,
Ivref = 50 A
1.167
1.185
1.203
V
Vref
Reference voltage
Ivref = 50 A
1.155
1.215
V
Regin
Line regulation
Vcc = 4.5, 25V,
I = 50
A
0.2
12
mV
Regl
Load regulation
I = 0.1
A to 1 mA
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
RT
Timing resistor
56
k
fdv
fosc change
Vcc = 4.5 V to 25 V
0.1%
fdt
fosc change
TA = -40°C to 85°C
2%
V
H
H level output voltage
DC, includes internal comparator error
1
1.1
1.2
V
VoscH
H-level output voltage
Fosc = 200 kHz, Includes internal comparator error
1.17
V
L
L level output voltage
Includes internal comparator error
0.4
0.5
0.6
V
VoscL
L-level output voltage
Fosc = 200 kHz, Includes internal comparator error
0.43
V
error amp
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vio
Input offset voltage
TA = 25°C
±2
±10
mV
Av
Open-loop voltage gain
50
dB
GB
Unity-gain bandwidth
0.8
MHz
Isnk
Output sink current
Vo = 0.4 V
30
45
A
Isrc
Output source current
Vo = 1 V
300
A
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
10
pA
TLHT
Propagation delay from INV to OUTxU
TTL input signal
0.7
s
TLH
10 mV overdrive on hysteresis band signal
1.2
s
Vhys is assured by design.
The total delay in the table includes the driver delay.
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