参数资料
型号: MAX797ESE+
厂商: Maxim Integrated Products
文件页数: 4/32页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 16-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
PWM 型: 电流模式,混合
输出数: 1
频率 - 最大: 330kHz
占空比: 96%
电源电压: 5 V ~ 30 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
包装: 管件
产品目录页面: 1409 (CN2011-ZH PDF)
Step-Down Controllers with
Synchronous Rectifier for CPU Power
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, GND = PGND = 0V, IVL = IREF = 0A, T A = -40°C to +85°C for MAX79_E, unless otherwise noted.) (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
+3.3V and +5V STEP-DOWN CONTROLLERS
Input Supply Range
5.0
30
V
5V Output Voltage (CSL)
3.3V Output Voltage (CSL)
0mV < (CSH - CSL) < 80mV, FB = VL, 6V < V+ < 30V,
includes line and load regulation
0mV < (CSH - CSL) < 80mV, FB = VL, 4.5V < V+ < 30V,
includes line and load regulation
4.70
3.10
5.10
3.35
5.40
3.56
V
V
Nominal Adjustable Output
Voltage Range
Feedback Voltage
Line Regulation
External resistor divider
(CSH-CSL) = 0V
6V < V+ < 30V
REF
2.40
0.04
6.0
2.60
0.06
V
V
%/V
Current-Limit Voltage
CSH - CSL, positive
CSH - CSL, negative
70
-40
-100
130
-160
mV
FLYBACK/PWM CONTROLLER
SECFB Regulation Setpoint
Falling edge, hysteresis = 15mV (MAX796)
Falling edge, hysteresis = 20mV (MAX799)
2.40
-0.08
2.60
0.08
V
INTERNAL REGULATOR AND REFERENCE
VL Output Voltage
VL Fault Lockout Voltage
VL/CSL Switchover Voltage
SHDN = 2V, 0mA < I VL < 25mA, 5.5V < V+ < 30V
Rising edge, hysteresis = 15mV
Rising edge, hysteresis = 25mV
4.7
3.75
4.2
5.3
4.05
4.7
V
V
V
Reference Output Voltage
Reference Load Regulation
V+ Shutdown Current
V+ Off-State Leakage Current
Quiescent Power Consumption
No external load (Note 1)
0μA < I REF < 100μA
SHDN = 0V, V+ = 30V, CSL = 0V or 6V
FB = CSH = CSL = 6V, VL switched over to CSL
2.43
2.505
1
1
4.8
2.57
50
10
10
8.4
V
mV
μA
μA
mW
OSCILLATOR AND INPUTS/OUTPUTS
Oscillator Frequency
SYNC = REF
SYNC = 0V or 5V
250
120
300
150
350
180
kHz
SYNC High Pulse Width
SYNC Low Pulse Width
250
250
ns
ns
Oscillator Sync Range
210
320
kHz
Maximum Duty Cycle
DL On-Resistance
DH On-Resistance
SYNC = REF
SYNC = 0V or 5V
High or low
High or low, BST - LX = 4.5V
89
93
91
96
7
7
%
?
?
Note 3: All -40°C to +85°C specifications above are guaranteed by design.
4
_______________________________________________________________________________________
相关PDF资料
PDF描述
VI-J1D-EY-B1 CONVERTER MOD DC/DC 85V 50W
MAX797HESE+ IC REG CTRLR BUCK PWM 16-SOIC
VI-J14-EY-B1 CONVERTER MOD DC/DC 48V 50W
VE-JWZ-EY-B1 CONVERTER MOD DC/DC 2V 20W
MAX797CSE+ IC REG CTRLR BUCK PWM CM 16-SOIC
相关代理商/技术参数
参数描述
MAX797ESE/GG8 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX797ESE/GG8-T 制造商:Maxim Integrated Products 功能描述:STEP DOWN CONTROLLER - Tape and Reel
MAX797ESE/GH9 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX797ESE/GH9-T 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX797ESE+ 功能描述:DC/DC 开关控制器 Step-Down Controller for CPU Power RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK