参数资料
型号: LTC3527EUD#TRPBF
厂商: Linear Technology
文件页数: 18/22页
文件大小: 0K
描述: IC REG BOOST SYNC ADJ DL 16QFN
标准包装: 2,500
类型: 升压(升压)
输出类型: 可调式
输出数: 2
输出电压: 1.6 V ~ 5.25 V
输入电压: 0.5 V ~ 5 V
PWM 型: 电流模式,混合
频率 - 开关: 1.2MHz,2.2MHz
电流 - 输出: 400mA,800mA
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: 16-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 16-QFN-EP(3x3)
LTC3527/LTC3527-1
TYPICAL APPLICATIONS
1.2MHz, 2-Cell to V OUT1 = 5V, V OUT2 = 3.3V
+
+
1.8V TO 3.2V
ALKALINE
CELLS
C IN
4.7μF
10μH
V IN1
V IN
V IN2
4.7μH
V OUT
SW1
SW2
V OUT
5V
300mA
C OUT1
4.7μF
3.24M
15pF
V OUT1
FB1
LTC3527
V OUT2
FB2
15pF
1.78M
3.3V
200mA
OFF
ON
1.02M
PGOOD1
SHDN1
PGOOD2
SHDN2
1M
C OUT2
4.7μF
MODE
ON
OFF
L: SUMIDA CDRH3D164R7
C IN , C OUT : TAIYO YUDEN X5R JMK212BJ475MD
Boost 1 Ef?ciency
GND
FSEL
35271 TA05
Boost 2 Ef?ciency
100
90
80
BURST
2.4V
3V
3V
2.4V
100
90
80
BURST
2.4V
1.8V
3V
3V
2.4V
70
1.8V
1.8V
70
1.8V
60
50
40
60
50
40
FIXED
30
20
FIXED
30
20
0.01
0.1
1 10
100
1000
0.01
0.1
1 10
100
1000
LOAD CURRENT (mA)
35271 TA05b
LOAD CURRENT (mA)
35271 G05
35271fc
18
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