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参数资料
| 型号： | LT3582EUD-5#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/28页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST INV +/-5V DL 16QFN |
| 标准包装： | 2,500 |
| 类型： | 升压（升压），反相 |
| 输出类型： | 固定 |
| 输出数： | 2 |
| 输出电压： | ±5V |
| 输入电压： | 2.55 V ~ 5.5 V |
| PWM 型： | 混合物 |
| 电流 - 输出： | 350mA，600mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-QFN-EP（3x3） |
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LT3582/LT3582-5/LT3582-12
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = 3.6V, V SHDN = V IN unless otherwise noted. (Note 3)
Switching Regulator Characteristics
SYMBOL
T ON_MAX
I LIMIT_P
I LIMIT_N
R ON_P
R ON_N
I OFF_P
PARAMETER
Maximum Switch On-Time
Boost Switch Current Limit
Inverting Switch Current Limit
Boost Switch On-Resistance
Inverting Switch On-Resistance
Boost Switch Leakage Current into
CONDITIONS
Inverting and Boost Switches
I SWP = 200mA
I SWN = –400mA
V SWP = 5V
l
l
MIN
285
490
TYP
10
350
600
500
560
0.01
MAX
430
720
0.5
UNITS
μs
mA
mA
mΩ
mΩ
μA
SWP Pin
I OFF_N
Inverting Switch Leakage Current Out of
V IN = 5.0, V SWN = 0.0
0.01
1
μA
SWN Pin
R ON_DIS
Output Disconnect Switch
V CAPP = 10V, RAMPP > 1.4V
1.4
Ω
On-Resistance
I LIMIT_DIS
I VOUTP_PDS
I CAPP_PDS
I VOUTN_PDS
Output Disconnect Current Limit
V OUTP Power-Down Discharge Current
CAPP Power-Down Discharge Current
V OUTN Power-Down Discharge Current
V OUTP = 8V
CAPP = 8V
V OUTN = –8V
l
124
2.4
1.2
–1.4
155
4.8
2.4
–2.8
186
8.8
4.4
–4.2
mA
mA
mA
mA
T START-UP
Con?guration Start-Up Delay
V IN > V IN_MIN and SHDN > V SHDN _VIH
to I 2 C
l
64
128
μs
Enabled and Power-Up Sequencing Start
Programmable Output Characteristics (Note 6)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V VOUTP
Positive Output Voltage
LT3582-5
LT3582-12
l
l
4.95
11.88
5
12
5.05
12.1
V
V
N_V OUTP
V VOUTP_LSB
Positive V OUTP Resolution (Note 2)
V OUTP LSB (Note 2)
9
25
Bits
mV
V VOUTP_FS
V VOUTP_MIN
V OUTP Full-Scale Voltage (Note 2)
V OUTP Minimum Voltage (Note 2)
Code = BFh, V PLUS = 1
Code = 00h, V PLUS = 0
l
l
12.56
3.152
12.775
3.20
12.94
3.248
V
V
V VOUTP_LR
V OUTP Line Regulation
Code = BFh, 2.575 < V IN < 5.5
–0.02
%/V
V VOUTN
Negative Output Voltage
LT3582-5
LT3582-12
l
l
–5.075
–12.1
–5
–12
–4.925
–11.868
V
V
N_V OUTN
V VOUTN_LSB
Negative V OUTN Resolution (Note 2)
V OUTN LSB (Note 2)
8
–50
Bits
mV
V VOUTN_FS
V VOUTN_MIN
V OUTN Full-Scale Voltage (Note 2)
V OUTN Minimum Voltage (Note 2)
Code = FFh
Code = 00h
l
l
–14.2
–1.23
–13.95
–1.205
–13.7
–1.18
V
V
V VOUTN_LR
INL_V OUTP
DNL_V OUTP
INL_V OUTN
DNL_V OUTN
V OUTN Line Regulation
V OUTP Integral Nonlinearity (Notes 2, 4)
V OUTP Differential Nonlinearity (Notes 2, 4)
V OUTN Integral Nonlinearity (Note 2)
V OUTN Differential Nonlinearity (Note 2)
Code = FFh, 2.575 < V IN < 5.5
l
l
l
l
–0.01
±0.6
±0.6
±0.85
±0.85
%/V
LSB
LSB
LSB
LSB
I RAMP00
RAMPP/RAMPN Pull-Up Current
V RAMPP = 0.0V
l
0.7
1.0
1.3
μA
IRMP Code = 00
V RAMPN = 0.0V
I RAMP01
RAMPP/RAMPN Pull-Up Current (Note 2)
V RAMPP = 0.0V
l
1.4
2.0
2.6
μA
IRMP Code = 01
V RAMPN = 0.0V
3582512fb
3
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