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| 型号： | LT3510EFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/30页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 2A DL 20TSSOP |
| 标准包装： | 74 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 0.8 V ~ 23.8 V |
| 输入电压： | 3.1 V ~ 25 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 250kHz ~ 1.5MHz |
| 电流 - 输出： | 2A |
| 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： | 20-TSSOP（0.173"，4.40mm 宽）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 20-TSSOP-EP |
| 产品目录页面： | 1332 (CN2011-ZH PDF) |
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LT3510
ELECTRICAL CHARACTERISTICS
The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T J = 25°C. V VIN1/2 = 15V, V BST1/2 = open, V RT/SYNC = 2V, V VOUT1/2 = open,
unless otherwise speci?ed.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Feedback Voltage Line Regulation
Feedback Voltage Offset Ch 1 to Ch 2
Feedback Bias Current Ch 1/Ch 2
Error Ampli?er g m Ch 1/Ch 2
V VIN1/2 = 3V to 25V
V VC1/2 = 1V
V FB1/2 = 0.8V, V VC1/2 = 1V
V VC1/2 = 1V, I VC1/2 = ±5μA
l
l
l
l
–1
–16
–200
150
0
0
75
275
1
16
200
450
%
mV
nA
μmho
Error Ampli?er Gain Ch 1/Ch 2
Error Ampli?er to Switch Gain Ch 1/Ch 2
1000
2.2
V/V
A/V
Error Ampli?er Source Current Ch 1/Ch 2
Error Ampli?er Sink Current Ch 1/Ch 2
Error Ampli?er High Clamp Ch 1/Ch 2
Error Ampli?er Switching Threshold Ch 1/Ch 2
V FB1/2 = 0.6V, V VC1/2 = 1V
V FB1/2 = 1V, V VC1/2 = 1V
V FB1/2 = 0.7V
V OUT1/2 = 5V, R T /SYNC = 133k
10
15
1.75
0.5
15
20
2.0
0.7
25
30
2.25
1.0
μA
μA
V
V
Soft-Start Source Current Ch 1/Ch 2
Soft-Start V OH Ch 1/Ch 2
Soft-Start Sink Current Ch 1/Ch 2
Soft-Start V OL Ch 1/Ch 2
Soft-Start to Feedback Offset Ch 1/Ch 2
Soft-Start Sink Current Ch 1/Ch 2 POR
Soft-Start POR Threshold Ch 1/Ch 2
Soft-Start Switching Threshold Ch 1/Ch 2
Power Good Leakage Ch 1/Ch 2
Power Good Threshold Ch 1/Ch 2
Power Good Hysteresis Ch 1/Ch 2
Power Good Sink Current Ch 1/Ch 2
Power Good Shutdown Sink Current Ch 1/Ch 2
R T /SYNC Reference Voltage
Switching Frequency
Switching Phase Angle Ch A to Ch B
V FB1/2 = 0.6V, V SS1/2 = 0.4V
V FB1/2 = 0.9V
V FB1/2 = 0.6V, V SS1/2 = 1V
V FB1/2 = 0V
V VC1/2 = 1V, V SS1/2 = 0.4V
V SS1/2 = 0.4V (Note 4), V VC = 1V
V FB1/2 = 0V (Note 4)
V FB1/2 = 0V
V FB1/2 = 0.9V, V PG1/2 = 25V, V VIN1/2 = 25V, V OUT = 5V
V FB1/2 Rising, PG1/2 = 20k to 5V
V FB1/2 Falling, PG1/2 = 20k to 5V
V FB1/2 = 0.65V, V PG1/2 = 0.4V
V VIN1/2 = 2V, V FB1/2 = 0V, V PG1/2 = 0.4V
V FB1/2 = 0.9V, I RT/SYNC = –40μA
R T /SYNC = 133k, V FB1/2 = 0.6V, V BST1/2 = V SW + 3V
R T /SYNC = 15.4k, V FB1/2 = 0.6V, V BST1/2 = V SW + 3V
R T /SYNC = 133k, V FB1/2 = 0.6V, V BST1/2 = V SW + 3V
l
l
l
2
1.9
200
50
–16
0.5
55
30
87
20
400
10
0.93
200
1.2
120
3
2
600
80
0
1.5
80
50
0
90
30
800
50
0.975
250
1.5
180
4.2
2.4
1000
125
16
2
105
70
1
93
50
1200
100
1
300
1.8
210
μA
V
μA
mV
mV
mA
mV
mV
μA
%
mV
μA
μA
V
kHz
MHz
Deg
Minimum Boost for 100% Duty Cycle Ch 1/Ch 2 V FB1/2 = 0.7V, I RT/SYNC = –35μA (Note 5), V OUT = 0V
1.7
2
V
SYNC Frequency Range
V BST1/2 = V SW + 3V
250
1500
kHz
SYNC Switching Phase Angle Ch A to Ch B
IND + V OUT Current Ch 1/Ch 2
IND to V OUT Maximum Current Ch 1/Ch 2
Switch Leakage Current Ch 1/Ch 2
Switch Saturation Voltage Ch 1/Ch 2
Boost Current Ch 1/Ch 2
Minimum Boost Voltage Ch 1/Ch 2
SYNC = 250kHz, V BST1/2 = V SW + 3V
V VOUT1/2 = 0V, V FB1/2 = 0.9V
V VOUT1/2 = 5V
V VOUT1/2 = 0.5V (Note 6), V FB1/2 = 0.7V, V BST1/2 = 20V
V VOUT1/2 = 5V (Note 6), R T /SYNC = 133k, V BST1/2 = 20V
V SW1/2 = 0V, V VIN1/2 = 25V
I SW1/2 = 2A, V BST1/2 = 20V, V FB1/2 = 0.7V
I SW1/2 = 2A, V BST1/2 = 20V, V FB1/2 = 0.7V
I SW1/2 = 2A, V BST1/2 = 20V, V FB1/2 = 0.7V (Note 7)
l
l
120
40
2.25
2.5
25
180
70
0
2.8
2.8
0
250
50
1.4
210
100
1
4
4
50
400
100
2.5
Deg
μA
μA
A
A
μA
mV
mA
V
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT3510EFE is guaranteed to meet performance speci?cations
from 0°C to 125°C junction temperature. Speci?cations over the –40°C
to 125°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
3510fe
3
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| LT3510IFE#PBF | 功能描述:IC REG BUCK ADJ 2A DL 20TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:MIC23xxx HyperLight Load™ Regulators 标准包装:5,000 系列:HyperLight Load® 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.8V 输入电压:2.7 V ~ 5.5 V PWM 型:混合物 频率 - 开关:4MHz 电流 - 输出:2A 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘，8-MLF? 包装:带卷 (TR) 供应商设备封装:8-MLF?（2x2） 产品目录页面:1094 (CN2011-ZH PDF) 其它名称:576-3303-2 |
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