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参数资料
| 型号： | LTC3523EUD-2#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BOOST SYNC ADJ 16QFN |
| 标准包装： | 2,500 |
| 类型： | 降压（降压），升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 0.62 V ~ 5.5 V |
| 输入电压： | 1.8 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 2.4MHz |
| 电流 - 输出： | 400mA，600mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°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） |
LTC3523/LTC3523-2
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PIN CONFIGURATION
V IN1 , V IN2 , V BAT , V OUT Voltages .................... –0.3V to 6V
SHDN1 , PGOOD1, PGOOD2, FB1 Voltages .. –0.3V to 6V
SHDN2 , FB2, MODE Voltages ...... –0.3V to (V IN2 + 0.3V)
SW1 Voltage
DC.............................................................. 0.3V to 6V
Pulse < 100ns .......................................... –0.3V to 7V
FB1 1
V IN1 2
PG00D1 3
TOP VIEW
16 15 14 13
17
12 FB2
11 PGOOD2
10 MODE
SW2 Voltage Pulse < 100ns ......... –0.3V to (V IN2 + 0.3V)
V OUT 4
9
V IN2
Operating Temperature Range
5
6
7
8
(Notes 2, 3) .............................................. –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
UD PACKAGE
16-LEAD (3mm 3mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 68°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3523EUD#PBF
LTC3523EUD-2#PBF
TAPE AND REEL
LTC3523EUD#TRPBF
LTC3523EUD-2#TRPBF
PART MARKING
LCYC
LDDR
PACKAGE DESCRIPTION
16-Lead (3mm × 3mm) Plastic DFN
16-Lead (3mm × 3mm) Plastic DFN
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based ?nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
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 IN1 = V IN2 = V BAT = 2.4V, V OUT = 3.3V, unless otherwise speci?ed.
PARAMETER
Minimum Start-Up Voltage
CONDITIONS
l
MIN
TYP
1.6
MAX
1.8
UNITS
V
Frequency
Quiescent Current–Shutdown
LTC3523
LTC3523-2
V SHDN1 = V SHDN2 = 0V, V OUT = 0V, V IN1 = V IN2 = V BAT
l
l
0.9
1.8
1.2
2.4
0.5
1.5
2.65
3
MHz
MHz
μA
Quiescent Current –Sleep
Quiescent Current V OUT – Sleep
SHDN1 , SHDN2 Input High
SHDN1 , SHDN2 Input Low
Measured from V SUPPLY , V IN1 = V IN2 = V BAT = 2.4V
Measured from V OUT = 3.3V (Note 4)
1
45
15
0.35
μA
μA
V
V
SHDN1 , SHDN2 Input Current
V SHDN = 5.5V
1.4
2
μA
PGOOD1, PGOOD2 Threshold
PGOOD1, PGOOD2 Low Voltage
PGOOD1, PGOOD2 Leakage
Referenced to the Feedback Voltage
I PGOOD = 1mA
V PGOOD = 5.25V
–6
–9
0.35
0.01
–14
1
%
V
μA
MODE Input High
MODE Input Low
1.0
0.35
V
V
3523fb
2
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相关代理商/技术参数 |
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| LTC3523EUD-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Synchronous 600mA Step-Up and 400mA Step-Down DC/DC Converters |
| LTC3523EUD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Synchronous 600mA Step-Up and 400mA Step-Down DC/DC Converters |
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