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參數(shù)資料
| 型號： | MCP1257T-EUN |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Regulated 3.3V, Low-Ripple Charge Pump with Low- Operating Current SLEEP Mode or BYPASS Mode |
| 中文描述： | 3.3V的穩(wěn)壓，低紋波充電泵具有低工作電流睡眠模式或旁路模式 |
| 文件頁數(shù)： | 2/24頁 |
| 文件大?。?/td> | 1183K |
| 代理商： | MCP1257T-EUN |
MCP1256/7/8/9
DS21989A-page 2
2006 Microchip Technology Inc.
Package Pinouts
Functional Block Diagram
TABLE 1:
SWITCH LOGIC
PGOOD
1
2
3
4
MCP1258
5
6
7
8
9
10
BYPASS
LBO
1
2
3
4
5
6
7
8
9
10
BYPASS
MCP1259
C
1
-
C
2
-
PGOOD
GND
SHDN
1
2
3
4
MCP1256
C
1
+
V
OUT
C
2
+
5
6
7
8
9
10
V
IN
SLEEP
LBO
1
2
3
4
5
6
7
8
9
10
SLEEP
MCP1257
C
2
-
C
1
+
V
OUT
C
2
-
C
1
+
V
OUT
C
2
-
C
1
+
V
OUT
C
1
-
GND
SHDN
C
2
+
VIN
C
1
-
GND
SHDN
C
2
+
V
IN
C
1
-
GND
SHDN
C
2
+
V
IN
S1
S2
S3
S4
S5
S7
S6
+
-
1.5x, 2x Mode
Comparator
840 k
Ω
720k
Ω
D Q
S5,S7
S6
S4
S1,S3,CE
Gate Drives
V
IN
C
2
-
C
2
+
C
1
-
C
1
+
V
OUT
GND
480 k
Ω
840 k
Ω
+
-
Feedback
Amplifier
V
OUT
CE
Bandgap
Ref.
650 kHz
Osc.
Mode
Phase
Oscillator
Q
S1
S2(CE)
S3
S4
S5
S6
S7
1.5x
1.5x
2x
2x
Charging
Transfer
Charging
Transfer
—
L is Logic Low, H is Logic High
H
L
H
L
—
L
L
H
H
—
H
L
H
L
H
H
L
H
L
L
H
L
H
L
H
L
H
L
H
H
H
L
L
L
H
L
H
H
H
L
H
L
L
L
L
BYPASS
Legend:
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| MCP1258T-EUN | Regulated 3.3V, Low-Ripple Charge Pump with Low- Operating Current SLEEP Mode or BYPASS Mode |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MCP1258 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Regulated 3.3V, Low-Ripple Charge Pump with Low- Operating Current SLEEP Mode or BYPASS Mode |
| MCP1258-E/MF | 功能描述:電荷泵 Frac Charge Pump w/ PG and Bypass RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MCP1258-E/UN | 功能描述:電荷泵 Frac Charge Pump w/ PG and Bypass RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MCP1258-EMF | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Regulated 3.3V, Low-Ripple Charge Pump with Low- Operating Current SLEEP Mode or BYPASS Mode |
| MCP1258-EUN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Regulated 3.3V, Low-Ripple Charge Pump with Low- Operating Current SLEEP Mode or BYPASS Mode |
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