參數(shù)資料
型號(hào): LTC3588EDD-1#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PDSO10
封裝: 3 X 3 MM, LEAD FREE, PLASTIC, MO-229WEED-2, DFN-10
文件頁(yè)數(shù): 14/20頁(yè)
文件大小: 391K
代理商: LTC3588EDD-1#TRPBF
LTC3588-1
3
35881fa
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
junction temperature range, otherwise specications are for TA = 25°C. (Note 2) VIN = 5.5V unless otherwise specied.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Input Voltage Range
Low Impedance Source on VIN
l
18.0
V
IVIN
VIN Quiescent Current
UVLO
Buck Enabled, Sleeping
Buck Enabled, Not Sleeping
VIN = 2.5V, Not PGOOD
VIN = 4.5V
VIN = 18V
ISW = 0A (Note 4)
450
950
1.7
150
700
1500
2.5
250
nA
μA
VUVLO
VIN Undervoltage Lockout Threshold
VIN Rising
1.8V Output Selected; D1 = 0, D0 = 0
2.5V Output Selected; D1 = 0, D0 = 1
3.3V Output Selected; D1 = 1, D0 = 0
3.6V Output Selected; D1 = 1, D0 = 1
l
3.77
4.73
4.04
5.05
4.30
5.37
V
VIN Falling
1.8V Output Selected; D1 = 0, D0 = 0
2.5V Output Selected; D1 = 0, D0 = 1
3.3V Output Selected; D1 = 1, D0 = 0
3.6V Output Selected; D1 = 1, D0 = 1
l
2.66
3.42
3.75
2.87
3.67
4.02
3.08
3.91
4.28
V
VSHUNT
VIN Shunt Regulator Voltage
IVIN = 1mA
19.0
20.0
21.0
V
ISHUNT
Maximum Protective Shunt Current
1ms Duration
25
mA
Internal Bridge Rectier Loss
(|VPZ1 – VPZ2| – VIN)
IBRIDGE = 10μA
350
400
450
mV
Internal Bridge Rectier Reverse
Leakage Current
VREVERSE = 18V
20
nA
Internal Bridge Rectier Reverse
Breakdown Voltage
IREVERSE = 1μA
VSHUNT
30
V
VOUT
Regulated Output Voltage
1.8V Output Selected
Sleep Threshold
Wake-Up Threshold
2.5V Output Selected
Sleep Threshold
Wake-Up Threshold
3.3V Output Selected
Sleep Threshold
Wake-Up Threshold
3.6V Output Selected
Sleep Threshold
Wake-Up Threshold
l
1.710
2.425
3.201
3.492
1.812
1.788
2.512
2.488
3.312
3.288
3.612
3.588
1.890
2.575
3.399
3.708
V
PGOOD Falling Threshold
As a Percentage of the Selected VOUT
83
92
%
IVOUT
Output Quiescent Current
VOUT = 3.6V
89
150
nA
IPEAK
Buck Peak Switch Current
200
260
350
mA
IBUCK
Available Buck Output Current
100
mA
RP
Buck PMOS Switch On-Resistance
1.1
Ω
RN
Buck NMOS Switch On-Resistance
1.3
Ω
Max Buck Duty Cycle
l
100
%
VIH(D0, D1)
D0/D1 Input High Voltage
l
1.2
V
VIL(D0, D1)
D0/D1 Input Low Voltage
l
0.4
V
IIH(D0, D1)
D0/D1 Input High Current
10
nA
IIL(D0, D1)
D0/D1 Input Low Current
10
nA
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