- 您现在的位置：买卖IC网 > PDF目录1840 > MAX1774EEI+T (Maxim Integrated Products)IC REG BUCK SYNC ADJ DL 28QSOP PDF资料下载
参数资料
| 型号： | MAX1774EEI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/21页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ DL 28QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 1 V ~ 5.5 V |
| 输入电压： | 2.7 V ~ 28 V |
| 频率 - 开关： | 1.25MHz |
| 电流 - 输出： | 1.5A，2A |
| 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： | 28-SSOP（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 28-QSOP |
Dual, High-Efficiency, Step-Down
Converter with Backup Battery Switchover
ELECTRICAL CHARACTERISTICS (continued)
(Figure 1, V IN = V INS = +12V, V INC = V CS+ = V CS- = +3.3V, V CORE = +1.8V, T A = -40°C to +85°C, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
CVL, CVH REGULATORS
CVL Output Voltage
CVL Switchover Threshold
V CVL
I CVL = 50mA, V CS- = 0
V CS- rising, hysteresis = 100mV typical
2.6
2.40
3.1
2.55
V
V
V IN = +4V, I CVH = 25mA
V IN - 2.8
CVH Output Voltage
V CVH
V IN = +12V, I CVH = 50mA
V IN - 3.65
V
CVL Undervoltage Lockout
V CVL rising
V CVL falling
2.40
2.30
2.57
2.47
V
LOW-VOLTAGE COMPARATORS
Backup Regulator Shutdown
Threshold
BKOFF Input Bias Current
LBI Threshold
DBI Threshold
V BKOFF
V LBI
V DBI
V BKOFF rising
V BKOFF falling
V BKOFF = +5.5V
V LBI falling, hysteresis = 50mV typical
V DBI falling, hysteresis = 50mV typical
0.51
0.46
1.17
1.17
0.59
0.54
1
1.23
1.23
V
μA
V
V
BKUP Low-Input Threshold
0.4
V
LBI, DBI Input Leakage Current
LBO , BKUP , ACO , MDRV
Output Low
LBO , BKUP , ACO , MDRV
Output Leakage Current
ACI Threshold
ACI Input Leakage Current
MAIN Input Leakage Current
V LBI , V DBI = +28V
I SINK = 1mA
V LBI = +1.3V, V ACI = V IN = +12V, V ACO =
V LBO = V BKUP = +5.5V, V MDRV = +28V
V ACI - V INS , ACI falling
V ACI = +1.3V
V INS = +3.3V
100
0.4
1.0
0.5
100
10
nA
V
μA
V
nA
μA
LOGIC INPUTS
SHDNM , SHDNC Input Low
Voltage
SHDNM , SHDNC Input High
Voltage
2.0
0.4
V
V
SHDNM , SHDNC Input Low
Current
SHDNC Input High Current
SHDNM Input High Current
SHDNM = SHDNC = GND
V SHDNC = +5.5V
V SHDNM = +28V
-1
1
5
25
μA
μA
μA
Note 1: This parameter is guaranteed based on the LXC P-channel current limit and the LXC N-channel valley current.
Note 2: Specifications to -40°C are guaranteed by design and not production tested.
_______________________________________________________________________________________
7
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1775EEE-T | IC REG CTRLR BUCK PWM 16-QSOP |
| MAX1776EUA+ | IC REG BUCK 5V/ADJ 0.6A 8UMAX |
| MAX1779EUE+T | IC DC-DC CONV TRPL LCD 16-TSSOP |
| MAX1790EUA+T | IC REG BOOST ADJ 0.8A 8UMAX |
| MAX1791EUB+T | IC REG CTRLR BUCK PWM CM 10-UMAX |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1774EGJ | 制造商:Maxim Integrated Products 功能描述: |
| MAX1774EMJ | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1774EVKIT | 功能描述:直流/直流开关转换器 Evaluation Kit for the MAX1774 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1775EEE | 功能描述:直流/直流开关转换器 Dual-Out Step-Down for PDA/Palmtop RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1775EEE+ | 功能描述:直流/直流开关转换器 Dual-Out Step-Down for PDA/Palmtop RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
发布紧急采购，3分钟左右您将得到回复。