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参数资料
| 型号： | MAX15046AAEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 16-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1.1MHz |
| 占空比： | 87.5% |
| 电源电压： | 4.5 V ~ 40 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
MAX15046
40V, High-Performance, Synchronous
Buck Controller
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 24V, V EN = 5V, V GND = V PGND = 0V, C IN = 1 F F, C VCC = 4.7 F F, R RT = 49.9k I , T A = T J = -40 N C to +125 N C, unless otherwise
noted. Typical values are at T A = +25 N C.) (Note 2)
PARAMETER
DL Peak Current
SYMBOL
CONDITIONS
Sinking, V DRV = V CC
= 5.25V
C LOAD = 10nF
Sourcing, V DRV =
V CC = 5.25V
MIN
TYP
3
2
MAX
UNITS
A
DH, DL Break-Before-Make Time
(Dead Time)
MAX15046A/B
MAX15046C
10
20
ns
SOFT-START
Soft-Start Duration
Reference Voltage Steps
CURRENT LIMIT/HICCUP
2048
64
Switching
Cycles
Steps
Cycle-by-Cycle Valley Current-
Limit Threshold Adjustment
Range
V CSP - V PGND ,
valley limit =
V LIM /10
V LIM = 0.3V
V LIM = 3V
30
300
mV
LIM Reference Current
I LIM
V LIM = 0.3V to 3V, T A = +25 N C
45
50
55
F A
LIM Reference Current
Temperature Coefficient
2300
ppm/ N C
CSP Input Bias Current
Number of Consecutive Current-
Limit Events to Hiccup
Hiccup Timeout
Peak Low-Side Sink Current-Limit
Threshold
V CSP = 40V
V CSP - V PGND , sink limit = V LIM /20,
R ILIM = 30k I , V LIM = 1.5V,
T A = +25 N C
-1
7
4096
75
+1
F A
Events
Switching
Cycles
mV
POWER-GOOD (PGOOD)
PGOOD Threshold
PGOOD Threshold Hysteresis
PGOOD Output Low Voltage
V PGOOD_L
V FB rising
V FB falling
I PGOOD = 2mA, V EN = 0V
90
94
2.65
97.5
0.4
%V FB
%V FB
V
PGOOD Output Leakage Current
I LEAK_PGOOD
V PGOOD = 40V, V EN = 5V, V FB = 1V
-1
+1
F A
THERMAL SHUTDOWN
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
Temperature rising
+150
20
N C
N C
Note 3: Select R RT as: R RT =
17.3 × 10 9
Note 2: All devices are 100% tested at room temperature and guaranteed by design over the specified temperature range.
, where f SW is in Hertz.
f SW + (1 x 10 -7 )(f SW 2 )
4
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX15046AEEE+ | 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 |
| MAX15046AEEE+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 |
| MAX15046BAEE+ | 功能描述:DC/DC 开关控制器 40V Synchronous Buck Controller 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 |
| MAX15046BAEE+ | 制造商:Maxim Integrated Products 功能描述:IC, SYNC STEP-DOWN CONTROLLER, QSOP-16 |
| MAX15046BAEE+T | 功能描述:DC/DC 开关控制器 40V Synchronous Buck Controller 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 |
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