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參數(shù)資料
| 型號： | MAX742CWP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Switch-Mode Regulator with +5V to 【12V or 【15V Dual Output |
| 中文描述： | SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | SO-20 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 143K |
| 代理商： | MAX742CWP |
M
S witc h-Mode Regulator with
+5V to ±12V or ±15V Dual Output
4
_______________________________________________________________________________________
__________________________________________Typic al Operating Charac teristic s
(Circuit of Figure 2, V+ = 5V, T
A
= +25°C, unless otherwise noted.)
25
0
6
UNDERVOLTAGE LOCKOUT HYSTERESIS
5
10
20
M
SUPPLY VOLTAGE (V)
Q
15
4
2
3
5
1
±15V MODE,
200kHz MODE
LOCKOUT
ENABLED
-4.5
0
CHARGE-PUMP LOAD REGULATION
-2.5
-5.0
-3.0
-4.0
M
CHARGE-PUMP LOAD CURRENT (mA)
C
-3.5
4
2
3
7
5
6
10
8
9
1
MEASURED AT POINT A
V+ = 5V
V+ = 4.5V
5
0
PDRV CURRENT vs. C
EXT-
1
6
2
4
M
CAPACITANCE AT EXT- (nF)
P
3
4
2
3
1
PDRV FORCED TO -4V
PUMP DISCONNECTED
200kHz
100kHz
50
0
EFFICIENCY vs. LOAD CURRENT,
22W CIRCUIT, ±15V MODE
60
70
90
M
LOAD CURRENT (mA)
E
80
±800
±400 ±600
±1000
±200
100kHz
200kHz
CIRCUIT OF FIGURE 3,
INDUCTORS = GOWANDA 121-AT2502
(MPP CORE),
Q2 = TWO IRF9Z30 IN PARALLEL
±15V MODE
0
PEAK INDUCTOR CURRENT vs.
LOAD CURRENT
100
200
400
300
M
LOAD CURRENT (mA)
P
500
700
600
800
1000
900
1100
1200
200
100
150
50
100kHz
200kHz
MEASURED AT LX-,
±15V MODE
50
0
EFFICIENCY vs. LOAD CURRENT,
6W CIRCUIT, ±15V MODE
60
70
90
M
LOAD CURRENT (mA)
E
80
±200
±100
±150
±250
±50
100kHz
200kHz
INDUCTORS = GOWANDA 050-AT1003
(MPP CORE)
50
0
EFFICIENCY vs. LOAD CURRENT,
6W CIRCUIT, ±12V MODE
60
70
90
M
LOAD CURRENT (mA)
E
80
±300
±150
±225
±75
100kHz
200kHz
INDUCTORS = GOWANDA 050-AT1003
(MPP CORE)
0
CURRENT-LIMIT THRESHOLD vs.
SOFT-START VOLTAGE
50
100
200
M
SOFT-START VOLTAGE (V)
C
150
3
1
2
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| MAX742CWP+ | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Switch-Mode Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX742CWP+T | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Switch-Mode Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX742CWP-T | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Switch-Mode Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX742EPP | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX742EPP+ | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Switch-Mode Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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