參數資料
型號: MAX1644
廠商: Maxim Integrated Products, Inc.
英文描述: Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting
中文描述: 2A、低電壓、降壓型穩(wěn)壓器,內置同步整流與開關
文件頁數: 30/32頁
文件大小: 183K
代理商: MAX1644
M
Advanc ed Chemistry-Independent, Level 2
Battery Charger with Input Current Limiting
30
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Table 9. Component Selection
0.1μF, >30V ceramic capacitor
C23
40V, 2A schottky diodes
Central Semiconductor CMSH2-40
D1, D2
Small-signal diodes
Central Semiconductor CMPSH-3
D3, D4
22μH, 3.6A buck inductor
Sumida CDRH127-220
L1
30V, 11.5A, high-side N-channel MOSFET (SO-8)
Fairchild FDS6680
N1 High-Side MOSFET
0.1μF ceramic capacitors
C8, C14, C16
0.01μF ceramic capacitors
C9, C10, C11 Compensation Capacitors
1500pF ceramic capacitor
C13
0.1μF, >20V ceramic capacitors
C18, C24
1μF ceramic capacitors
C6, C7, C12
1μF, >30V ceramic capacitors
C5, C19, C20
22μF, 25V low-ESR tantalum capacitors
AVX TPSD226M025R0200
C3, C4 Output Capacitors
22μF, 35V low-ESR tantalum capacitors
AVX TPSE226M035R0300
C1, C2 Input Capacitors
DESCRIPTION
DESIGNATION
40m
±1%, 0.5W battery current-sense resistor
Dale WSL-2010/40m
/1%
R1
30V, 11A P-Channel MOSFET load and source switches
Fairchild FDS6675
P1, P2
30V, 8.4A, low-side N-channel MOSFET
Fairchild FDS6612A or
30V, signal level N-channel MOSFET
2N7002
N2 Low-Side MOSFET
50m
±1%, 0.5W source current-sense resistor
Dale WSL-2010/50m
/1%
R2
R3 + R4 >100k
input current-limit setting resistors
R3, R4
33
±5% resistor
R12
1k
±5% resistor
R13
4.7
±5% resistors
R14, R15
1
±5% resistors
R11, R16
10k
±5% resistors
R5, R7, R8, R9, R10
10k
±1% temperature sensor network resistor
R6
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PDF描述
MAX1645B Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting
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MAX1644EAE/GH9 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1644EAE/GH9-T 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
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