Datasheet 搜索 > 稳压芯片 > Maxim Integrated（美信） > MAX1904ETJ+T 数据手册 > MAX1904ETJ+T 数据手册 5/33 页
器件3D模型￥ 71.477
MAX1904ETJ+T 数据手册 - Maxim Integrated（美信）
制造商:
Maxim Integrated（美信）
分类:
稳压芯片
封装:
TQFN-32
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P1P9P10P30Hot
典型应用电路图在P1P14P24
原理图在P15P16
封装尺寸在P31P32P33
型号编码规则在P1
功能描述在P1
技术参数、封装参数在P6
应用领域在P1P20P24
电气规格在P3P4P5P6P21P23P24
导航目录
MAX1904ETJ+T数据手册
Page:
of 33 Go
若手册格式错乱，请下载阅览PDF原文件
MAX1901/MAX1902/MAX1904
500kHz Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
_______________________________________________________________________________________ 5
ELECTRICAL CHARACTERISTICS
(V+ = 15V, both PWMs on, SYNC = V
L
, V
L
load = 0, REF load = 0, SKIP = 0, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 7)
PARAMETER CONDITIONS MIN TYP MAX UNITS
MAIN SMPS CONTROLLERS
Input Voltage Range 4.2 30.0 V
3V Output Voltage in Adjustable Mode
V+ = 4.2V to 30V, CSH3 - CSL3 = 0,
CSL3 tied to FB3
2.42 2.58 V
3V Output Voltage in Fixed Mode
V+ = 4.2V to 30V, 0 < CSH3 - CSL3
< 80mV, FB3 = 0
3.20 3.47 V
5V Output Voltage in Adjustable Mode
V+ = 4.2V to 30V, CSH5 - CSL5 = 0,
CSL5 tied to FB5
2.42 2.58 V
5V Output Voltage in Fixed Mode
V+ = 5.3V to 30V, 0 < CSH5 - CSL5
< 80mV, FB5 = 0
4.85 5.25 V
Output Voltage Adjust Range Either SMPS REF 5.5 V
Adjustable-Mode Threshold Voltage Dual-mode comparator 0.5 1.1 V
CSH3 - CSL3 or CSH5 - CSL5 80 120
Current-Limit Threshold
SKIP = V
L
or V
DD
< 13V or SECFB < 2.44V -50 -150
mV
SYNC = V
L
450 550
Oscillator Frequency
SYNC = 0 283 383
kHz
SYNC = V
L
95
Maximum Duty Factor
SYNC = 0 (Note 2) 97
%
SYNC Input Frequency Range 400 583 kHz
FLYBACK CONTROLLER
V
DD
Regulation Threshold Falling edge (Note 3) 13 14 V
SECFB Regulation Threshold Falling edge (MAX1901/MAX1904) 2.44 2.60
V
DD
Shunt Threshold Rising edge, hysteresis = 1% (Note 3) 18 20
V
V
V
DD
Shunt Sink Current V
DD
= 20V (Note 3) 10 mA
12V LINEAR REGULATOR (Note 3)
12OUT Output Voltage 13V < V
DD
< 18V, 0mA < I
LOAD
< 100mA 11.65 12.50 V
Quiescent V
DD
Current V
DD
= 18V, run mode, no 12OUT load 100 µA
INTERNAL REGULATOR AND REFERENCE
V
L
Output Voltage
SHDN = V+, RUN/ON3 = TIME/ON5 = 0,
5.4V < V+ < 30V, 0 < I
LOAD
< 50mA
4.7 5.1 V
V
L
Undervoltage Lockout-Fault Threshold Falling edge, hysteresis = 1% 3.5 3.7 V
V
L
Switchover Threshold Rising edge of CSL5, hysteresis = 1% 4.2 4.7 V
REF Output Voltage No external load (Note 5) 2.45 2.55 V
0 < I
LOAD
< 50µA 12.5
REF Load Regulation
0 < I
LOAD
< 5mA 100.0
mV
REF Sink Current 10 µA
REF Fault Lockout Voltage Falling edge 1.8 2.4 V
V+ Operating Supply Current V
L
switched over to CSL5, 5V SMPS on 50 µA
器件 Datasheet 文档搜索
AiEMA 数据库涵盖高达 72,405,303 个元件的数据手册，每天更新 5,000 多个 PDF 文件
