参数资料
型号: LTC3589IUJ#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, 2600 kHz SWITCHING FREQ-MAX, PQCC40
封装: 6 X 6 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-40
文件页数: 43/46页
文件大小: 570K
代理商: LTC3589IUJ#PBF
LTC3589/LTC3589-1
6
3589fc
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LDO Regulator 4 (LDO4)
VIN_LDO34
VIN_LDO34 Input Range (LTC3589)
VIN_LDO34 Input Range (LTC3589-1)
l
2.35
1.7
VIN
V
IVIN_LDO34
VIN_LDO34 Quiescent Current
VIN_LDO34 Shutdown Current
Regulator Enabled
Regulator Disabled
l
14
0
24
1
μA
IVIN
Enabled VIN Quiescent Current
l
50
85
μA
VLDO4
(LTC3589)
LDO 4 Output Voltage
ILDO4 = 1mA, L2DTV2[6:5] = 00
L2DTV2[6:5] = 01
L2DTV2[6:5] = 10
L2DTV2[6:5] = 11
l
2.716
2.425
1.746
3.201
2.8
2.5
1.8
3.3
2.884
2.575
1.854
3.399
V
VLDO4
(LTC3589-1)
LDO 4 Output Voltage
ILDO4 = 1mA, L2DTV2[6:5] = 00
L2DTV2[6:5] = 01
L2DTV2[6:5] = 10
L2DTV2[6:5] = 11
l
1.164
1.746
2.425
3.104
1.2
1.8
2.5
3.2
1.236
1.854
2.575
3.296
V
LD04 Line Regulation
ILDO4 =1mA, VINLDO4 = 2.7V to 5.5V,
VOUT = 1.8V
0.01
%/V
LDO4 Load Regulation
ILDO4 = 1mA to 250mA
0.05
%
ILDO4
LDO4 Available Output Current
l
250
mA
ILDO4_SC
LDO4 Short-Circuit Current Limit
300
450
600
mA
VDROP4
LDO4 Dropout Voltage (Note 4)
ILDO4 = 200mA, VLDO4 = 3.3V
ILDO4 = 200mA, VLDO4 = 1.8V
ILDO4 = 200mA, VLDO4 = 3.2V (LTC3589-1)
120
190
120
160
250
160
mV
Enable Inputs
VENx_THR
Threshold Rising, All Enables Low
l
0.8
1.2
V
VENx_THR2
VENx_THF2
Threshold Rising, Any Enable High
Threshold Falling, Any Enable High
l
0.420
0.5
0.45
0.530
V
RENX
Input Pull-Down Resistance
4.5
VSTB, PWR_ON Inputs
VVSTB_THR
VVSTB_THF
VSTB Pin Threshold Rising
VSTB Pin Threshold Falling
l
0.4
0.8
0.7
1.2
V
RVSTB
Pull-Down Resistence
4.5
VPWR_ONTHR
VPWR_ONTHF
PWR_ON Pin Threshold Rising
PWR_ON Pin Threshold Falling
l
0.4
0.8
0.7
1.2
V
RPWR_ON
Pull-Down Resistence
4.5
I2C Port
DVDD
DVDD Input Supply Voltage
l
1.6
5.5
V
IDVDD
DVDD Quiescent Current
SCL/SDA = 0kHz
0.5
μA
VDVDD_UVLO
DVDD UVLO Level
0.8
V
ADDRESS
Device Address – Write
Device Address – Read
01101000
01101001
VIH SDA, SCL
VIL SDA, SCL
SDA and SCL Input Threshold Rising
SDA and SCL Input Threshold Falling
70
30
%DVDD
IIHSCx IILSCx
SDA and SCL Input Current
SDA = SCL = 0V to 5.5V
–250
250
nA
VOL SDA
SDA Output Low Voltage
ISDA = 3mA
l
0.4
V
fSCL
SCL Clock Operating Frequency
400
kHz
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating junction
temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = PVIN1 = PVIN2 = PVIN3 = PVIN4 = VIN_LDO2 = VIN_LDO34
= DVDD = 3.8V. All regulators disabled unless otherwise noted.
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