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参数资料
| 型号： | MAX15026CATD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/23页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 14TDFN |
| 产品培训模块： | Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 2.4MHz |
| 占空比： | 88% |
| 电源电压： | 4.5 V ~ 28 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： | 14-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
MAX15026
Low-Cost, Small, 4.5V to 28V Wide Operating
Range, DC-DC Synchronous Buck Controller
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 12V, R RT = 27k ? , R LIM = 30k ? , C VCC = 4.7μF, C IN = 1μF, T A = -40°C to +85°C (MAX15026B/CETD+, MAX15026BETD/V+),
T A = T J = -40°C to +125°C (MAX15026B/C/DATD+), unless otherwise noted. Typical values are at T A = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ENABLE (EN)
EN Input High
EN Input Low
EN Input Leakage Current
V EN_H
V EN_L
I LEAK_EN
V EN rising
V EN falling
V EN = 5.5V
1.14
0.997
-1
1.20
1.05
1.26
1.103
+1
V
V
μA
OSCILLATOR
Switching Frequency
1MHz Switching Frequency
2MHz Switching Frequency
f SW
R RT = 27k ?
R RT = 15.7k ?
R RT = 7.2k ?
540
0.9
1.8
600
1
2.0
660
1.1
2.4
kHz
MHz
MHz
Switching Frequency Adjustment
Range (Note 3)
200
2000
kHz
RT Voltage
PWM Ramp Peak-to-Peak
Amplitude
PWM Ramp Valley
Minimum Controllable On-Time
Maximum Duty Cycle
V RT
V RAMP
V VALLEY
f SW = 600kHz
1.19
85
1.205
1.8
0.8
65
88
1.22
100
V
V
V
ns
%
Minimum Low-Side On-Time
R RT = 15.7k ?
75
110
150
ns
OUTPUT DRIVERS/DRIVER SUPPLY (DRV)
DRV Undervoltage Lockout
V DRV_UVLO
V DRV rising
4.0
4.2
4.4
V
DRV Undervoltage Lockout
Hysteresis
400
mV
DH On-Resistance
DL On-Resistance
Low, sinking 100mA, V BST = 5V
High, sourcing 100mA, V BST = 5V
Low, sinking 100mA, V BST = 5.2V
High, sourcing 100mA, V BST = 5.2V
1
1.5
1
1.5
3
4.5
3
4.5
?
?
DH Peak Current
DL Peak Current
C LOAD = 10nF
C LOAD = 10nF
Sinking
Sourcing
Sinking
Sourcing
4
3
4
3
A
A
DH/DL Break-Before-Make Time
DL/DH Break-Before-Make Time
DH at 1V (falling) to DL at 1V (rising)
DL at 1V (falling) to DH at 1V (rising)
10 (18, Note 5)
10 (20, Note 6)
ns
ns
SOFT-START
Soft-Start Duration
Reference Voltage Steps
CURRENT LIMIT/HICCUP
2048
64
Switching
Cycles
Steps
Current-Limit Threshold
Adjustment Range
Cycle-by-cycle valley current-limit
threshold adjustment range
valley limit = V LIM /10
30
300
mV
Maxim Integrated
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX15026CETD+ | 功能描述:DC/DC 开关控制器 4.5-28V 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 |
| MAX15026CETD+G1D | 制造商:Maxim Integrated Products 功能描述:LOW-COST, SMALL, 4.5V TO 28V WIDE OPERATING RANGE, DC-DC SYN - Rail/Tube |
| MAX15026CETD+T | 功能描述:DC/DC 开关控制器 4.5-28V 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 |
| MAX15026CETD+TG1D | 制造商:Maxim Integrated Products 功能描述:LOW-COST, SMALL, 4.5V TO 28V WIDE OPERATING RANGE, DC-DC SYN - Tape and Reel |
| MAX15026CETD+TW | 制造商:Maxim Integrated Products 功能描述:LOW-COST SMALL 4.5V TO 28V WIDE OPERATING RANGE DC-DC CONT - Tape and Reel |
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