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| 型号： | MCP1640EV-SBC |
| 厂商： | Microchip Technology |
| 文件页数： | 3/32页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR MCP1640 |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步升 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 2V，3.3V 或 5V |
| 电流 - 输出： | 100mA，350mA |
| 输入电压： | 0.35 ~ 5.5V |
| 稳压器拓扑结构： | 升压 |
| 频率 - 开关： | 500kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MCP1640 |
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MCP1640/B/C/D
1.0
ELECTRICAL
? Notice: Stresses above those listed under “Maximum
CHARACTERISTICS
Absolute Maximum Ratings ?
EN, FB, V IN, V SW , V OUT - GND ........................... +6.5V
EN, FB ...........<greater of V OUT or V IN > (GND - 0.3V)
Output Short Circuit Current....................... Continuous
Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of
the device at those or any other conditions above those
indicated in the operational sections of this
specification is not intended. Exposure to maximum
rating conditions for extended periods may affect
device reliability.
Output Current Bypass Mode........................... 400 mA
Power Dissipation ............................ Internally Limited
Storage Temperature .........................-65 o C to +150 o C
Ambient Temp. with Power Applied......-40 o C to +85 o C
Operating Junction Temperature........-40 o C to +125 o C
ESD Protection On All Pins:
HBM........................................................ 3 kV
MM........................................................ 300 V
DC CHARACTERISTICS
Electrical Characteristics: Unless otherwise indicated, V IN = 1.2V, C OUT = C IN = 10 μF, L = 4.7 μH, V OUT = 3.3V, I OUT = 15 mA,
T A = +25°C.
Boldface specifications apply over the T A range of -40 o C to +85 o C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Input Characteristics
Minimum Startup Voltage
Minimum Input Voltage After
V IN
V IN
—
—
0.65
0.35
0.8
—
V
V
Start-Up
Output Voltage Adjust Range
Maximum Output Current
V OUT
I OUT
2.0
100
150
150
350
5.5
—
—
—
V
mA
mA
mA
1.2V V IN , 2.0V V OUT
1.5V V IN , 3.3V V OUT
3.3V V IN , 5.0V V OUT
Feedback Voltage
Feedback Input Bias Current
Quiescent Current – PFM
V FB
I VFB
I QPFM
1.175
—
—
1.21
10
19
1.245
—
30
V
pA
μA
—
—
Measured at V OUT = 4.0V;
Mode
EN = V IN , I OUT = 0 mA;
Quiescent Current – PWM
I QPWM
—
220
—
μA
Measured at V OUT ; EN = V IN
Mode
Quiescent Current – Shutdown
I QSHDN
—
0.7
2.3
μA
V OUT = EN = GND;
Includes N-Channel and
P-Channel Switch Leakage
NMOS Switch Leakage
I NLK
—
0.3
1
μA
V IN = V SW = 5V;
V OUT = 5.5V
V EN = V FB = GND
PMOS Switch Leakage
I PLK
—
0.05
0.2
μA
V IN = VS W = GND;
V OUT = 5.5V
NMOS Switch ON Resistance
R DS(ON)N
—
0.6
—
?
V IN = 3.3V, I SW = 100 mA
Note 1:
2:
3:
4:
5:
3.3 K ? resistive load, 3.3V OUT (1 mA).
For V IN > V OUT , V OUT will not remain in regulation.
I Q is measured from V OUT ; V IN quiescent current will vary with boost ratio. V IN quiescent current can be
estimated by: (I QPFM * (V OUT /V IN )), (I QPWM * (V OUT /V IN )).
220 ? resistive load, 3.3V OUT (15 mA).
Peak current limit determined by characterization, not production tested.
? 2011 Microchip Technology Inc.
DS22234B-page 3
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相关代理商/技术参数 |
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|---|---|
| MCP1640-I/CH | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:0.65V Start-up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option |
| MCP1640-I/MC | 功能描述:直流/直流开关转换器 500 kHz 300 mA Syn. PWM/PFM enabled 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 |
| MCP1640-I/MC | 制造商:Microchip Technology Inc 功能描述:BOOST DC/DC REGULATOR IC |
| MCP1640-ICH | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:0.65V START-UP SYNCHRONOUS BOOST REGULATOR WITH TRUE OUTPUT DISCONNECT OR INPUT/OUTPUT BYPASS OPTION |
| MCP1640-IMC | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:0.65V START-UP SYNCHRONOUS BOOST REGULATOR WITH TRUE OUTPUT DISCONNECT OR INPUT/OUTPUT BYPASS OPTION |
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