参数资料
型号: LTC3407EDD#TRPBF
厂商: Linear Technology
文件页数: 16/16页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 1A DL 10DFN
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.6 V ~ 5 V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 1.5MHz
电流 - 输出: 1A
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: 10-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 10-DFN(3x3)
LTC3407
TYPICAL APPLICATION
2mm Height Lithium-Ion Single Inductor Buck-Boost Regulator and a Buck Regulator
V IN = 2.8V
TO 4.2V
C1
R5
10 μ F
RUN2
V IN
RUN1
100k
MODE/SYNC
POR
POWER-ON
RESET
V OUT2 = 3.3V
AT 200mA
D1
M1
L2
10 μ H
SW2
LTC3407
SW1
L1
2.2 μ H
C4, 22pF
V OUT1 = 1.8V
AT 600mA
+
C6
47 μ F
C3
10 μ F
R4
887k R3
196k
V FB2
GND
V FB1
R1
442k
R2
887k
C2
10 μ F
C1, C2, C3: TAIYO YUDEN JMK316BJ106ML
L1: MURATA LQH32CN2R2M33
3407 TA04
90
C6: SANYO 6TPB47M
D1: PHILIPS PMEG2010
Ef?ciency vs Load Current
L2: TOKO A914BYW-100M (D52LC SERIES)
M1: SILICONIX Si2302
Ef?ciency vs Load Current
100
80
95
2.8V
70
2.8V
4.2V
3.6V
90
85
4.2V
3.6V
60
50
80
75
70
40 V OUT = 3.3V
Burst Mode OPERATION
65
V OUT = 1.8V
Burst Mode OPERATION
30
NO LOAD ON OTHER CHANNEL
1 10 100
1000
60
1
NO LOAD ON OTHER CHANNEL
10 100
1000
LOAD CURRENT (mA)
RELATED PARTS
3407 TA05
LOAD CURRENT (mA)
3407 TA06
PART NUMBER
LT1616
LT1940
LTC3252
LTC3405/LTC3405A
LTC3406/LTC3406B
LTC3407
LTC3411
LTC3412
LTC3414
LTC3440/LTC3441
DESCRIPTION
500mA (I OUT ), 1.4MHz,
High Ef?ciency Step-Down DC/DC Converter
Dual Output 1.4A(I OUT) , Constant 1.1MHz,
High Ef?ciency Step-Down DC/DC Converter
Dual 250mA (I OUT ), 1MHz, Spread Spectrum
Inductorless Step-Down DC/DC Converter
300mA (I OUT ), 1.5MHz,
Synchronous Step-Down DC/DC Converters
600mA (I OUT ), 1.5MHz,
Synchronous Step-Down DC/DC Converters
600mA (I OUT ), 1.5MHz,
Dual Synchronous DC/DC Converter
1.25A (I OUT ), 4MHz,
Synchronous Step Down DC/DC Converter
2.5A (I OUT ), 4MHz,
Synchronous Step Down DC/DC Converter
4A (I OUT ), 4MHz,
Synchronous Step Down DC/DC Converter
600mA/1.2A (I OUT ), 2MHz/1MHz,
Synchronous Buck-Boost DC/DC Converter
COMMENTS
90% Ef?ciency, V IN : 3.6V to 25V, V OUT(MIN) = 1.25V I Q = 1.9mA,
I SD <1μA, ThinSOT? Package
V IN : 3V to 25V, V OUT(MIN) = 1.2V I Q = 2.5mA, I SD <1μA,
TSSOP-16E Package
88% Ef?ciency, V IN : 2.7V to 5.5V, V OUT(MIN) : 0.9V to 1.6V, I Q = 60μA
I SD < 1μA, DFN-12 Package
96% Ef?ciency, V IN : 2.5V to 5.5V, V OUT(MIN) = 0.8V I Q = 20μA,
I SD <1μA, ThinSOT Package
96% Ef?ciency, V IN : 2.5V to 5.5V, V OUT(MIN) = 0.6V I Q = 20μA,
I SD <1μA, ThinSOT Package
96% Ef?ciency, V IN : 2.5V to 5.5V, V OUT(MIN) = 0.6V I Q = 40μA,
I SD <1μA, MS10E Package, DFN Package
95% Ef?ciency, V IN : 2.5V to 5.5V, V OUT(MIN) = 0.8V I Q = 60μA,
I SD <1μA, MSOP-10 Package
95% Ef?ciency, V IN : 2.5V to 5.5V, V OUT(MIN) = 0.8V I Q = 60μA,
I SD <1μA, TSSOP-16E Package
95% Ef?ciency, V IN : 2.25V to 5.5V, V OUT(MIN) = 0.8V I Q = 64μA,
I SD <1μA, TSSOP-28E Package
95% Ef?ciency, V IN : 2.5V to 5.5V, V OUT(MIN) = 2.5V I Q = 25μA,
I SD <1μA, MSOP-10 Package/DFN Package
ThinSOT is a trademark of Linear Technology Corporation.
3407fa
16 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630  McCarthy  Blvd.,  Milpitas,  CA  95035-7417
LT 0809 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2003
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