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| 型号： | MAX8969EVKIT# |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/15页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT STEP-UP 1A 3MHZ MAX8969 |
| 产品培训模块： | Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | True Shutdown™ |
| 主要目的： | DC/DC，步升 |
| 输出及类型： | 1，非隔离 |
| 电流 - 输出： | 1A |
| 输入电压： | 2.5 V ~ 5.5 V |
| 稳压器拓扑结构： | 升压 |
| 频率 - 开关： | 3MHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX8969 |
MAX8969
Step-Up Converter
for Handheld Applications
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 2.6V, T A = -40 N C to +85 N C, unless otherwise noted. Typical values are T A = +25 N C.) (Note 3)
PARAMETER
Output Voltage Ripple
CONDITIONS
I OUT = 150mA, circuit of Figure 1
MIN
TYP
20
MAX
UNITS
mV P-P
Soft-Start Interval
TRACK MODE
I OUT = 10mA, see the Output Capacitor
Selection section
F s
pMOSFET On-Resistance
I OUT = 500mA, V IN = 2.7V
I OUT = 500mA, V IN = 3.2V
130
110
m I
Track Current Limit
Track Mode Quiescent Current
V OUT = 3.6V
EN = low, TREN = high
1
2
30
A
F A
AUTOMATIC TRACK MODE (ATM)
ATM Supply Current
ATM V IN Rising Threshold (V ATMRT)
ATM V IN Falling Threshold (V ATMFT)
Boost to ATM Transition Time
ATM to Boost Transition Time
V IN = 5.4V
V OUT _ TARGET = 3.3V
V OUT _ TARGET = 3.5V
V OUT _ TARGET = 3.7V
V OUT _ TARGET = 4.25V
V OUT _ TARGET = 5V
V OUT _ TARGET = 3.3V
V OUT _ TARGET = 3.5V
V OUT _ TARGET = 3.7V
V OUT _ TARGET = 4.25V
V OUT _ TARGET = 5V
(Note 7)
65
3.15
3.35
3.55
4.04
4.74
3.10
3.29
3.5
3.99
4.69
1
1
F A
V
V
F s
F s
LOGIC CONTROL
EN, TREN Logic Input High Voltage
EN, TREN Logic Input Low Voltage
2.3V < V IN < 5.5V
2.3V < V IN < 5.5V
1.05
0.4
V
V
EN, TREN Leakage Current
V EN = V TREN = 0V
T A = +25 N C
T A = +85 N C
-1
0.01
0.1
+1
F A
Note 3: Specifications are 100% production tested at T A = +25 ° C. Limits over the operating temperature range are guaranteed by
design and characterization.
Note 4: Continuous operation with 1A at elevated ambient temperature and low voltage is not guaranteed. Under worst-case con-
ditions, die thermal protection cannot be activated after 100ms of 1A load application. See the continuous output current
parameter for a conservative estimate of current that can be maintained at T A = +85 ° C.
Note 5: Switching frequency decreases if input voltage is > 83% of the output voltage selected. This allows duty factor to drop to
values necessary to boost output voltage less than 25% without the use of pulse widths less than 60ns.
Note 6: Contact factory for other options.
Note 7: The output voltage regulation is a direct function of the peak current in the nMOS power switch. The inductor current (I LX )
described in the conditions of the steady-state output voltage specification corresponds to the peak inductor current.
Note 8: Once ATM threshold is reached boost switching stops in 1μs (typ), but the transition to ATM does not occur until V OUT has
fallen equal to V IN .
4
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8969EVKIT# | 功能描述:EVAL KIT STEP-UP 1A 3MHZ MAX8969 RoHS:是 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:True Shutdown™ 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:True Shutdown™ 主要目的:DC/DC，步升 输出及类型:1，非隔离 功率 - 输出:- 输出电压:- 电流 - 输出:1A 输入电压:2.5 V ~ 5.5 V 稳压器拓扑结构:升压 频率 - 开关:3MHz 板类型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
| MAX8969EWL33+ | 制造商:Maxim Integrated Products 功能描述:1A BOOST CONVERTER WITH TRACK MODE IN A TINY WLP PACKAGE - Rail/Tube |
| MAX8969EWL33+T | 功能描述:直流/直流开关转换器 1A Boost Converter with Track mode 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 |
| MAX8969EWL35+T | 功能描述:直流/直流开关转换器 600mA Boost Converter 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 |
| MAX8969EWL37+T | 功能描述:直流/直流开关转换器 1A Boost Converter with Track mode 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 |
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