参数资料
型号: MAX1632AEAI+
厂商: Maxim Integrated
文件页数: 3/29页
文件大小: 0K
描述: IC REG TRPL BCK/LINEAR 28-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 46
拓扑: 降压(降压)同步(2),线性(LDO)(1)
功能: 任何功能
输出数: 3
频率 - 开关: 200kHz ~ 300kHz
电压/电流 - 输出 1: 控制器
电压/电流 - 输出 2: 控制器
电压/电流 - 输出 3: 12V,120mA
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 4.2 V ~ 30 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, both PWMs on, SYNC = VL, VL load = 0mA, REF load = 0mA, SKIP = 0V, T A = T MIN to T MAX , unless otherwise noted.
Typical values are at T A = +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SYNC Input High Pulse Width
SYNC Input Low Pulse Width
SYNC Rise/Fall Time
Not tested
Not tested
Not tested
200
200
200
ns
ns
ns
SYNC Input Frequency Range
240
350
kHz
Current-Sense Input Leakage Current
V+ = VL = 0V,
CSL3 = CSH3 = CSL5 = CSH5 = 5.5V
0.01
10
μA
FLYBACK CONTROLLER
V DD Regulation Threshold
SECFB Regulation Threshold
DL Pulse Width
V DD Shunt Threshold
Falling edge (Note 3)
Falling edge (MAX1631A/MAX1634A)
V DD < 13V or SECFB < 2.44V
Rising edge, hysteresis = 1% (Note 3)
13
2.44
18
1
14
2.60
20
V
V
μs
V
V DD Shunt Sink Current
V DD Leakage Current
V DD = 20V (Note 3)
V DD = 5V, off mode (Notes 3, 4)
10
30
mA
μA
12V LINEAR REGULATOR (Note 3)
12OUT Output Voltage
12OUT Current Limit
Quiescent V DD Current
13V < V DD < 18V, 0mA < I LOAD < 120mA
12OUT forced to 11V, V DD = 13V
V DD = 18V, run mode, no 12OUT load
11.65
12.1
150
50
12.50
100
V
mA
μA
INTERNAL REGULATOR AND REFERENCE
VL Output Voltage
SHDN = V+, RUN/ON3 = TIME/ON5 = 0V,
5.3V < V+ < 30V, 0mA < I LOAD < 50mA
4.7
5.1
V
VL Undervoltage Lockout
Fault Threshold
VL Switchover Threshold
REF Output Voltage
REF Load Regulation
Falling edge, hysteresis = 1%
Rising edge of CSL5, hysteresis = 1%
No external load (Note 5)
0μA < I LOAD < 50μA
0mA < I LOAD < 5mA
3.5
4.2
2.45
3.6
4.5
2.5
3.7
4.7
2.55
12.5
100.0
V
V
V
mV
REF Sink Current
10
μA
REF Fault Lockout Voltage
V+ Operating Supply Current
V+ Standby Supply Current
V+ Standby Supply Current
in Dropout
V+ Shutdown Supply Current
Falling edge
VL switched over to CSL5, 5V SMPS on
V+ = 5.5V to 30V, both SMPSs off,
includes current into SHDN
V+ = 4.2V to 5.5V, both SMPSs off,
includes current into SHDN
V+ = 4V to 24V, SHDN = 0V
Both SMPSs enabled, FB3 = FB5 = 0V, (Note 3)
1.8
5
30
50
4
2.5
2.4
50
60
200
10
4
V
μA
μA
μA
μA
Quiescent Power Consumption
CSL3 = CSH3 = 3.5V,
CSL5 = CSH5 = 5.3V
MAX1631A/
MAX1634A
1.5
4
mW
_______________________________________________________________________________________
3
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