参数资料
型号: LTC3425EUH#TRPBF
厂商: Linear Technology
文件页数: 6/24页
文件大小: 0K
描述: IC REG BOOST SYNC ADJ 5A 32QFN
标准包装: 2,500
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 2.4 V ~ 5.25 V
输入电压: 0.5 V ~ 4.5 V
PWM 型: 电流模式,混合
频率 - 开关: 100kHz ~ 2MHz
电流 - 输出: 5A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 32-QFN 裸露焊盘(5x5)
LTC3425
TYPICAL PERFOR A CE CHARACTERISTICS
Maximum Output Current
in Burst Mode Operation
Maximum Start-Up Load vs V IN
(Constant Current Load)
Automatic Burst Mode Current
Thresholds vs R BURST
350
T A = 25 ° C
0.7
T A = 25 ° C
100
T A = 25 ° C
300
250
V OUT = 3.3V
0.6
0.5
V OUT = 3.3V
LEAVE
Burst Mode
OPERATION
200
V OUT = 5V
0.4
V OUT = 5V
10
ENTER
Burst Mode
OPERATION
150
100
50
0.3
0.2
0.1
0
1
1.5
2
2.5
3
V IN (V)
3.5
4
4.5
5
0
0.9
1.0
1.1
1.2 1.3
V IN (V)
1.4
1.5
1.6
1
10
100
BURST RESISTOR (k ? )
1000
100
90
3425 G20
Automatic Burst Mode Thresholds
vs V IN
V OUT = 5V
V OUT = 3.3V
3.0
2.5
Soft-Start Charging Current
vs Temperature
V IN > 2.3V
3425 G21
0.450
0.425
3425 G22
Shutdown Voltage vs Temperature
80
LEAVE Burst Mode OPERATION
2.0
0.400
70
1.5
V IN < 2.3V
(START-UP MODE)
0.375
60
ENTER Burst Mode OPERATION
1.0
0.350
V OUT = 3.3V
50
40
1.5
2
V OUT = 5V
2.5
3
T A = 25 ° C
R BURST = 33k
3.5
4
0.5
0
–45 –25 –5
15 35
55
75
95 115
0.325
0.300
–45 –25 –5
15 35
55
75
95 115
1.00
0.95
0.90
0.85
0.80
0.75
V IN (V)
Minimum Start-Up Voltage
vs Temperature
3425 G23
11.8
11.7
11.6
11.5
11.4
11.3
11.2
11.1
11.0
10.9
TEMPERATURE ( ° C)
3425 G24
PGOOD Threshold vs Temperature
800
750
700
650
600
550
500
450
400
350
TEMPERATURE ( ° C)
3425 G25
PMOS Reverse Current in Forced
CCM vs Temperature
0.70
–45 –25 –5
15 35
55
75
95 115
10.8
–45 –25 –5
15 35
55
75
95 115
300
–45 –25 –5
15 35
55
75
95 115
TEMPERATURE ( ° C)
3425 G26
TEMPERATURE ( ° C)
3425 G27
TEMPERATURE ( ° C)
3425 G28
3425f
6
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LTC3426ES6#TRMPBF 功能描述:IC REG BOOST ADJ 2A TSOT23-6 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:High Efficiency Current Mode Switching Regulators CMOS LDO Regulators 特色产品:BD91x Series Step-Down Regulators 标准包装:2,500 系列:- 类型:降压(降压) 输出类型:两者兼有 输出数:2 输出电压:3.3V,0.8 V ~ 2.5 V 输入电压:4.5 V ~ 5.5 V PWM 型:电流模式 频率 - 开关:1MHz 电流 - 输出:1.5A 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:20-VFQFN 裸露焊盘 包装:带卷 (TR) 供应商设备封装:VQFN020V4040 产品目录页面:1373 (CN2011-ZH PDF) 其它名称:BD9152MUV-E2TR