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参数资料
| 型号： | MAX1791EUB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 10-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 300kHz |
| 电源电压： | 5 V ~ 20 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 ~ 85°C |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
High-Efficiency, 10-Pin μMAX, Step-Down
Controllers for Notebooks
ELECTRICAL CHARACTERISTICS
(V VP = 15V, VL enabled, C VL = 1μF, C REF = 0.1μF, T A = -40 to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
VP Input Voltage Range
VL Input Voltage Range
OUT Output Voltage
(MAX1762, 1.8V Fixed)
OUT Output Voltage
(MAX1762, 2.5V Fixed)
OUT Output Voltage
(MAX1791, 3.3V Fixed)
OUT Output Voltage
(MAX1791, 5V Fixed)
OUT Output Voltage (adj Mode)
FB Input Bias Current
On-Time (Note 2)
Minimum Off-Time
SYMBOL
V VP
V VL
V OUT
V OUT
V OUT
V OUT
t ON
t OFF
CONDITIONS
VL (overdriven)
V VP = 5V to 20V, V VL = 4.75V to 5.25V,
FB = GND, continuous conduction mode
V VP = 5V to 20V, V VL = 4.75V to 5.25V,
FB = VL, continuous conduction mode
V VP = 5V to 20V, V VL = 4.75V to 5.25V,
FB = GND, continuous conduction mode
V VP = 7V to 20V, V VL = 4.75V to 5.25V,
FB = VL, continuous conduction mode
V VP = 5V to 20V, V VL = 4.75V to 5.25V,
FB = OUT, continuous conduction mode
V FB = 1.3V
V OUT = 1.25V, V VP = 6V
V OUT = 5V, V VP = 6V
(Note 2)
MIN
5
4.75
1.773
2.463
3.250
4.925
1.231
-0.2
666
2550
250
TYP
MAX
20
5.25
1.827
2.538
3.350
5.075
1.269
0.2
814
3110
550
UNITS
V
V
V
V
V
V
V
μA
ns
ns
VL Quiescent Supply Current
FB = GND, V VL = 5V, OUT forced above the
regulation point
260
μA
VP Quiescent Supply Current
FB = GND, OUT forced above
the regulation point V VP = 20V
V VL = float
V VL = 5V
410
200
μA
VL Shutdown Supply Current
VP Shutdown Supply Current
V VL = 5V, SHDN = GND
SHDN = GND, measured at VP, V VL = 0 or 5V
15
12
μA
μA
VL Output Voltage
Reference Voltage
I LOAD = 0 to 25mA, V VP = 5V to 20V
V VL = 4.75V to 5.25V, no load
4.5
1.98
4.75
2.02
V
V
Reference Load Regulation
REF Sink Current
I REF = 0 to 50μA
REF in regulation
10
0.01
V
μA
Output Undervoltage Threshold
(Foldback)
Output Undervoltage Lockout
Time (Foldback)
Current-Limit Threshold
V ILIM
With respect to regulation point, no load
From SHDN signal going high, V OUT < 0.6 x
regulation point
60
10
-90
80
42
-110
%
ms
mV
4
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| MAX1792EUA15+T | 功能描述:低压差稳压器 - LDO 500mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX1792EUA15-T | 功能描述:低压差稳压器 - LDO 500mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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