參數(shù)資料
型號: TPS5110PWG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.5 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO24
封裝: GREEN, PLASTIC, TSSOP-24
文件頁數(shù): 39/43頁
文件大?。?/td> 813K
代理商: TPS5110PWG4
TPS5110
SLVS025B APRIL 2002 REVISED JULY 2004
5
www.ti.com
ELECTRICAL CHARACTERISTICS
Over recommended free-air temperature range, VVIN_SENSE = 12 V and VREG5V_IN = 5 V (unless otherwise specified).
SBRC ERROR AMPLIFIER SECTION
VIO
Input offset voltage
TA = 25_C
2
10
mV
Open loop voltage gain
50
dB
Unity gain bandwidth
2.5
MHz
ISNK Output sink current
VFB = 1 V
0.2
0.7
mA
ISRC Output source current
VFB = 1 V
0.2
0.9
mA
DUTY CONTROL SECTION
DUTY Maximum duty control
fOSC = 300 kHz,
VINV = 0 V
82%
OUTPUT DRIVERS SECTION
OUT_u sink current
VOUT_u VLL = 3 V
1.2
OUT_u source current
VLH VOUT_u = 3 V
1.2
A
OUT_d sink current
VOUT_d = 3 V
1.5
A
OUT_d source current
VOUT_d = 2 V
1.5
LDO_GATE sink current
VLDO_GATE = 2 V
1.5
mA
LDO_GATE source current
VLDO_GATE = 2 V
1.4
mA
ITRIP TRIP current
TA = 25_C
11.5
13.0
14.5
A
SOFT-START SECTION
ISOFTSoft-start current
1.6
2.3
2.9
A
LDO ERROR AMPLIFIER SECTION
VIO
Input offset voltage
TA = 25_C,
VLDO_IN = 3.3 V
2
10
mV
Open loop voltage gain
VLDO_IN = 3.3 V
50
dB
Unity-gain bandwidth
VLDO_IN = 3.3 V,
CLOAD = 2000 pF
1.4
MHz
LDO CURRENT LIMIT SECTION
Current limit comparator threshold voltage
VLDO_IN = 3.3 V
40
50
60
mV
LDO OVERSHOOT PROTECTION SECTION
LDO_OUT sink current
VLDO_OUT = VLDO_GATE = 1.5 V
25
mA
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