参数资料
型号: LTC3537EUD#PBF
厂商: Linear Technology
文件页数: 6/22页
文件大小: 314K
描述: IC REG DL BST/LINEAR SYNC 16-QFN
标准包装: 121
拓扑: 升压(升压)同步(1),线性(LDO)(1)
功能: 任何功能
输出数: 2
频率 - 开关: 2.2MHz
电压/电流 - 输出 1: 1.5 V ~ 5.25 V,100mA
电压/电流 - 输出 2: 0.6 V ~ 5 V,100mA
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 0.68 V ~ 5.5 V
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
供应商设备封装: 16-QFN-EP(3x3)
包装: 管件
产品目录页面: 1335 (CN2011-ZH PDF)
LTC3537
6
3537fd
TYPICAL PERFORMANCE CHARACTERISTICS
Feedback Voltage Change
vs Temperature
Start-Up Voltage vs Temperature
Burst Mode Quiescent Current
vs V
OUTB
T
A
 = 25癈 unless otherwise noted.
TEMPERATURE (癈)
40
0.05
0.00
0.10
0.15
0.20
0.25
0.30
40   60
20
0
3537 G16
80
20
NORMALIZED TO 20癈
V
FBB
 AND V
FBL
TEMPERATURE (癈)
40
0.80
0.75
0.70
0.65
0.60
0.55
0.50
40   60
20
0
3537 G17
80
20
V
OUTB
 (V)
1.8
60
50
30
40
20
10
3.8  4.3
3.3
2.8
3537 G18
4.8
2.3
V
INB
 = 1.2V
ENLDO = HIGH
R
DS(ON)
 vs V
OUTB
Oscillator Frequency Change vs
Temperature
R
DS(ON)
 Change vs Temperature
V
OUTB
 (V)
1.5
1.0
0.9
0.8
0.7
0.6
0.5
0.3
0.4
0.2
3.5   4   4.5
3
2.5
3537 G13
5
2
NMOS
PMOS
TEMPERATURE (癈)
40
1
0
1
2
3
4
40   60
20
0
3537 G14
80
20
NORMALIZED TO 25癈
TEMPERATURE (癈)
40
30
20
10
0
10
20
30
40   60
20
0
3537 G15
80
20
NMOS
PMOS
NORMALIZED TO 25癈
Burst Mode Threshold Current
vs V
INB
Burst Mode Threshold Current
vs V
INB
Oscillator Frequency Change
vs V
OUTB
V
INB
 (V)
0.8
30
20
10
0
60
50
40
1  1.2  1.4  1.6 1.8
2.4
2  2.2
3537 G10
ENTER BURST
LEAVE BURST
V
OUTB
 = 3.3V
C
OUTB
 = 10糉
L = 2.2糎
V
INB
 (V)
0.9
120
100
60
80
40
20
0
180
160
140
1.4  1.9  2.4  2.9
4.4
3.4  3.9
3537 G11
ENTER BURST
LEAVE BURST
V
OUTB
 = 5V
C
OUTB
 = 10糉
L = 2.2糎
V
OUTB
 (V)
1.5
1
0
1
2
3
5
4
6
3.5   4   4.5
3
2.5
3537 G12
5
2
NORMALIZED TO 3.3V
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LTC3538EDCB#TRMPBF 功能描述:IC REG BUCK BOOST SYNC ADJ 8DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 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:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON(1.45x1) 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2