参数资料
型号: LT1912EDD#TRPBF
厂商: Linear Technology
文件页数: 3/24页
文件大小: 0K
描述: IC REG BUCK ADJ 2A 10DFN
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 ~ 20 V
输入电压: 3.6 V ~ 36 V
PWM 型: 电流模式
频率 - 开关: 200kHz ~ 500kHz
电流 - 输出: 2A
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-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 10-DFN(3x3)
LT1912
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V IN = 10V, V RUN/SS = 10V V BOOST = 15V, V BD = 3.3V unless otherwise
noted. (Note 2)
PARAMETER
Feedback Voltage
CONDITIONS
l
MIN
780
775
TYP
790
790
MAX
800
805
UNITS
mV
mV
FB Pin Bias Current (Note 3)
FB Voltage Line Regulation
V FB = 0.8V, V C = 0.4V
4V < V IN < 36V
l
7
0.002
30
0.01
nA
%/V
Error Amp g m
Error Amp Gain
V C Source Current
V C Sink Current
V C Pin to Switch Current Gain
V C Clamp Voltage
25
1000
45
45
3.5
2
μMho
μA
μA
A/V
V
Switching Frequency
Minimum Switch Off-Time
Switch Current Limit
Switch V CESAT
R T = 187k
Duty Cycle = 5%
I SW = 2A
l
160
3.2
200
60
3.7
500
240
150
4.2
kHz
nS
A
mV
Boost Schottky Reverse Leakage
Minimum Boost Voltage (Note 4)
BOOST Pin Current
RUN/SS Pin Current
V SW = 10V, V BD = 0V
I SW = 1A
V RUN/SS = 2.5V
l
0.02
1.5
22
5
2
2.1
35
10
μA
V
mA
μA
RUN/SS Input Voltage High
RUN/SS Input Voltage Low
SYNC Low Threshold
SYNC High Threshold
0.2
0.5
2.5
0.7
V
V
V
V
SYNC Pin Bias Current
V SYNC = 0V
0.1
μA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT1912E is guaranteed to meet performance specifications
from 0°C to 125°C. Specifications over the –40°C to 125°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: Bias current flows out of the FB pin.
Note 4: This is the minimum voltage across the boost capacitor needed to
guarantee full saturation of the switch.
1912fa
3
相关PDF资料
PDF描述
LTC3568EDD#TRPBF IC REG BUCK SYNC ADJ 1.8A 10DFN
HM53-10111HLF HIGH POWER LOW COST INDUCTORS
MAX6718AUKTZD6+T IC SUPERVISOR MPU SOT23-5
GEM15DTMT-S273 CONN EDGECARD 30POS R/A .156 SLD
MAX6717AUKSFD5+T IC SUPERVISOR MPU SOT23-5
相关代理商/技术参数
参数描述
LT1912EMSE#PBF 功能描述:IC REG BUCK ADJ 2A 10MSOP 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
LT1912EMSE#TRPBF 功能描述:IC REG BUCK ADJ 2A 10MSOP 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:2,500 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V,1.5V,1.8V,2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 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
LT1912EMSEPBF 制造商:Linear Technology 功能描述:2A, 500kHz Step-Down Regulator LT1912EM
LT1912EMSE-PBF 制造商:LINER 制造商全称:Linear Technology 功能描述:36V, 2A, 500kHz Step-Down Switching Regulator
LT1912EMSE-TRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:36V, 2A, 500kHz Step-Down Switching Regulator