参数资料
型号: MAX1632AEAI+
厂商: Maxim Integrated
文件页数: 6/29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
____________________________________Typical Operating Characteristics (continued)
(Circuit of Figure 1, 3A Table 1 components, T A = +25°C, unless otherwise noted.)
1000
100
SWITCHING FREQUENCY
vs. LOAD CURRENT
5.00
4.98
VL REGULATOR OUTPUT VOLTAGE
vs. OUTPUT CURRENT
+5V, V IN = 15V
4.96
10
+3.3V, V IN = 15V
4.94
1
0.1
+3.3V, V IN = 6V
+5V, V IN = 6V
4.92
4.90
V IN = 15V
ON3 = ON5 = 0V
0.1
1
10
100
1000
0
10
20
30
40
50
60
2.510
2.505
2.500
LOAD CURRENT (mA)
REF OUTPUT VOLTAGE
vs. OUTPUT CURRENT
RUN
5V/div
3.3V OUTPUT
OUTPUT CURRENT (mA)
STARTUP WAVEFORMS
2V/div
2.495
TIME
2.490
5V/div
5V OUTPUT
2.485
V IN = 15V
ON3 = ON5 = 0V
5V/div
2.480
0
1
2 3 4
OUTPUT CURRENT (mA)
5
6
2ms/div
SEQ = VL, 0.015 μ F CAPACITOR ON-TIME
__________________________________________________________________________Pin Description
PIN
1
2
3
4
NAME
CSH3
CSL3
FB3
12OUT
(MAX1630A/
32A/33A/35A)
STEER
(MAX1631A/
MAX1634A)
FUNCTION
Current-Sense Input for the 3.3V SMPS. Current-limit level is 100mV referred to CSL3.
Current-Sense Input. Also serves as the feedback input in fixed-output mode.
Feedback Input for the 3.3V SMPS; regulates at FB3 = REF (approx. 2.5V) in adjustable mode. FB3 is a
Dual Mode input that also selects the 3.3V fixed output voltage setting when tied to GND. Connect FB3
to a resistor-divider for adjustable-output mode.
12V/120mA Linear Regulator Output. Input supply comes from V DD . Bypass 12OUT to GND with
1μF minimum.
Logic-Control Input for secondary feedback. Selects the PWM that uses a transformer and secondary
feedback signal (SECFB):
STEER = GND: 3.3V SMPS uses transformer
STEER = VL: 5V SMPS uses transformer
6
_______________________________________________________________________________________
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MAX1632AEAI+ 功能描述:DC/DC 开关控制器 Multi-Out Low-Noise Power-Supply Ctlr 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
MAX1632AEAI+T 功能描述:DC/DC 开关控制器 Multi-Out Low-Noise Power-Supply Ctlr 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
MAX1632AEAI-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
MAX1632CAI 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
MAX1632CAI+ 制造商:Maxim Integrated Products 功能描述:DC DC CNTRLR DUAL-OUT STEP DOWN 4.2V TO 30V 28SSOP - Rail/Tube