参数资料
型号: LT3972IMSE#TRPBF
厂商: Linear Technology
文件页数: 24/24页
文件大小: 0K
描述: IC REG BUCK ADJ 3.5A 10MSOP
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.79 V ~ 30 V
输入电压: 3.6 V ~ 33 V
PWM 型: 电流模式,Burst Mode?
频率 - 开关: 230kHz ~ 2.45MHz
电流 - 输出: 3.5A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 10-MSOP 裸露焊盘
LT3972
TYPICAL APPLICATION
1.2V Step-Down Converter
V IN
3.6V TO 27V
V IN
BD
V OUT
1.2V
3.5A
ON OFF
RUN/SS
BOOST
0.47μF
L
3.3μH
4.7μF
17k
V C
RT
PG
LT3972
SW
D
470pF
78.7k
SYNC
GND
FB
100k
52.3k
100μF
f = 500kHz
3972 TA09
D: ON SEMI MBRA340
L: NEC MPLC0730L3R3
RELATED PARTS
PART NUMBER
LT1933
LT1936
LT1940
LT1976/LT1967
LT3434/LT3435
LT3437
LT3480
LT3481
LT3493
LT3505
LT3508
LT3680
LT3684
LT3685
LT3693
DESCRIPTION
500mA (I OUT ), 500kHz Step-Down Switching Regulator in SOT-23
36V, 1.4A (I OUT ), 500kHz, High Ef?ciency Step-Down DC/DC
Converter
Dual 25V, 1.4A (I OUT ), 1.1MHz, High Ef?ciency Step-Down DC/DC
Converter
60V, 1.2A (I OUT ), 200kHz/500kHz, High Ef?ciency Step-Down
DC/DC Converters with Burst Mode Operation
60V, 2.4A (I OUT ), 200kHz/500kHz, High Ef?ciency Step-Down
DC/DC Converters with Burst Mode Operation
60V, 400mA (I OUT ), Micropower Step-Down DC/DC Converter with
Burst Mode Operation
36V with Transient Protection to 60V, 2A (I OUT ), 2.4MHz, High
Ef?ciency Step-Down DC/DC Converter with Burst Mode Operation
34V with Transient Protection to 36V, 2A (I OUT ), 2.8MHz, High
Ef?ciency Step-Down DC/DC Converter with Burst Mode Operation
36V, 1.4A (I OUT ), 750kHz High Ef?ciency Step-Down
DC/DC Converter
36V with Transient Protection to 40V, 1.4A (I OUT ), 3MHz,
High Ef?ciency Step-Down DC/DC Converter
36V with Transient Protection to 40V, Dual 1.4A (I OUT ), 3MHz,
High Ef?ciency Step-Down DC/DC Converter
36V, 3.5A, 2.4MHz, Low Quiescent Current (<75μA) Step-Down
DC/DC Converter
34V with Transient Protection to 36V, 2A (I OUT ), 2.8MHz,
High Ef?ciency Step-Down DC/DC Converter
36V with Transient Protection to 60V, Dual 2A (I OUT ), 2.4MHz,
High Ef?ciency Step-Down DC/DC Converter
36V, 3.5A, 2.4MHz, Step-Down DC/DC Converter
COMMENTS
V IN : 3.6V to 36V, V OUT(MIN) = 1.2V, I Q = 1.6mA, I SD < 1μA,
ThinSOT TM Package
V IN : 3.6V to 36V, V OUT(MIN) = 1.2V, I Q = 1.9mA, I SD < 1μA,
MS8E Package
V IN : 3.6V to 25V, V OUT(MIN) = 1.2V, I Q = 3.8mA, I SD < 30μA,
TSSOP16E Package
V IN : 3.3V to 60 V, V OUT(MIN) = 1.2 V, I Q = 100μ A, I SD < 1μ A,
TSSOP16E Package
V IN : 3.3V to 60 V, V OUT(MIN) = 1.2 V, I Q = 100μ A, I SD < 1μ A,
TSSOP16 Package
V IN : 3.3V to 60 V, V OUT(MIN) = 1.25 V, I Q = 100μ A, I SD < 1μ A,
3mm × 3mm DFN10 and TSSOP16E Packages
V IN : 3.6V to 38 V, V OUT(MIN) = 0.78 V, I Q = 70μ A, I SD < 1μ A,
3mm × 3mm DFN10 and MSOP10E Packages
V IN : 3.6V to 34 V, V OUT(MIN) = 1.26 V, I Q = 50μ A, I SD < 1μ A,
3mm × 3mm DFN10 and MSOP10E Packages
V IN : 3.6V to 36 V, V OUT(MIN) = 0.8 V, I Q = 1.9m A, I SD < 1μ A,
2mm × 3mm DFN6 Package
V IN : 3.6V to 34 V, V OUT(MIN) = 0.78 V, I Q = 2m A, I SD = 2μ A,
3mm × 3mm DFN8 and MSOP8E Packages
V IN : 3.7V to 37 V, V OUT(MIN) = 0.8 V, I Q = 4.6m A, I SD = 1μ A,
4mm × 4mm QFN24 and TSSOP16E Packages
V IN : 3.6V to 36V, V OUT(MIN) = 0.8V, I Q = 75μA, I SD < 1μA, 3mm ×
3mm DFN10, MS10E Package
V IN : 3.6V to 34 V, V OUT(MIN) = 1.26 V, I Q = 850μ A, I SD < 1μ A,
3mm × 3mm DFN10 and MSOP10E Packages
V IN : 3.6V to 38 V, V OUT(MIN) = 0.78 V, I Q = 70μ A, I SD < 1μ A,
3mm × 3mm DFN10 and MSOP10E Packages
V IN : 3.6V to 36V, V OUT(MIN) = 0.8V, I Q = 1.3mA, I SD < 1μA, 3mm ×
3mm DFN10, MS10E Package
ThinSOT is a trademark of Linear Technology Corporation.
3972fa
24 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630  McCarthy  Blvd.,  Milpitas,  CA  95035-7417
LT 1009 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2008
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