參數(shù)資料
型號(hào)： LT3582EUD#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 0.72 A SWITCHING REGULATOR, PQCC16
封裝： 3 X 3 MM, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16
文件頁數(shù)： 22/28頁
文件大?。?/td> 315K
代理商： LT3582EUD#TRPBF
LT3582/LT3582-5/LT3582-12
3
3582512fb
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 3.6V, VSHDN = VIN unless otherwise noted. (Note 3)
Switching Regulator Characteristics
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TON_MAX
Maximum Switch On-Time
Inverting and Boost Switches
10
μs
ILIMIT_P
Boost Switch Current Limit
l
285
350
430
mA
ILIMIT_N
Inverting Switch Current Limit
l
490
600
720
mA
RON_P
Boost Switch On-Resistance
ISWP = 200mA
500
mΩ
RON_N
Inverting Switch On-Resistance
ISWN = –400mA
560
mΩ
IOFF_P
Boost Switch Leakage Current into
SWP Pin
VSWP = 5V
0.01
0.5
μA
IOFF_N
Inverting Switch Leakage Current Out of
SWN Pin
VIN = 5.0, VSWN = 0.0
0.01
1
μA
RON_DIS
Output Disconnect Switch
On-Resistance
VCAPP = 10V, RAMPP > 1.4V
1.4
Ω
ILIMIT_DIS
Output Disconnect Current Limit
l
124
155
186
mA
IVOUTP_PDS
VOUTP Power-Down Discharge Current
VOUTP = 8V
2.4
4.8
8.8
mA
ICAPP_PDS
CAPP Power-Down Discharge Current
CAPP = 8V
1.2
2.4
4.4
mA
IVOUTN_PDS
VOUTN Power-Down Discharge Current
VOUTN = –8V
–1.4
–2.8
–4.2
mA
TSTART-UP
Conguration Start-Up Delay
VIN> VIN_MIN and SHDN > VSHDN_VIH to I2C
Enabled and Power-Up Sequencing Start
l
64
128
μs
Programmable Output Characteristics (Note 6)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VVOUTP
Positive Output Voltage
LT3582-5
LT3582-12
l
4.95
11.88
5
12
5.05
12.1
V
N_VOUTP
Positive VOUTP Resolution (Note 2)
9
Bits
VVOUTP_LSB
VOUTP LSB (Note 2)
25
mV
VVOUTP_FS
VOUTP Full-Scale Voltage (Note 2)
Code = BFh, VPLUS = 1
l
12.56
12.775
12.94
V
VVOUTP_MIN
VOUTP Minimum Voltage (Note 2)
Code = 00h, VPLUS = 0
l
3.152
3.20
3.248
V
VVOUTP_LR
VOUTP Line Regulation
Code = BFh, 2.575 < VIN < 5.5
–0.02
%/V
VVOUTN
Negative Output Voltage
LT3582-5
LT3582-12
l
–5.075
–12.1
–5
–12
–4.925
–11.868
V
N_VOUTN
Negative VOUTN Resolution (Note 2)
8
Bits
VVOUTN_LSB
VOUTN LSB (Note 2)
–50
mV
VVOUTN_FS
VOUTN Full-Scale Voltage (Note 2)
Code = FFh
l
–14.2
–13.95
–13.7
V
VVOUTN_MIN
VOUTN Minimum Voltage (Note 2)
Code = 00h
l
–1.23
–1.205
–1.18
V
VVOUTN_LR
VOUTN Line Regulation
Code = FFh, 2.575 < VIN < 5.5
–0.01
%/V
INL_VOUTP
VOUTP Integral Nonlinearity (Notes 2, 4)
l
±0.6
LSB
DNL_VOUTP
VOUTP Differential Nonlinearity (Notes 2, 4)
l
±0.6
LSB
INL_VOUTN
VOUTN Integral Nonlinearity (Note 2)
l
±0.85
LSB
DNL_VOUTN
VOUTN Differential Nonlinearity (Note 2)
l
±0.85
LSB
IRAMP00
RAMPP/RAMPN Pull-Up Current
IRMP Code = 00
VRAMPP = 0.0V
VRAMPN = 0.0V
l
0.7
1.0
1.3
μA
IRAMP01
RAMPP/RAMPN Pull-Up Current (Note 2)
IRMP Code = 01
VRAMPP = 0.0V
VRAMPN = 0.0V
l
1.4
2.0
2.6
μA
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