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參數資料
| 型號： | AP1086K25A |
| 英文描述： | 1.5A Low Dropout Positive Adjustable or Fixed-Mode Regulator |
| 中文描述： | 1.5A的低壓差正可調或固定模式穩(wěn)壓器 |
| 文件頁數： | 9/13頁 |
| 文件大?。?/td> | 92K |
| 代理商： | AP1086K25A |
PRODUCT SPECIFICATION
ML4818
REV. 1.0.3 6/21/01
9
Since the per cycle charge on RC
RESET
is proportional to how
early in the power cycle the over-current occurs, a reset will
occur more quickly under output short circuit conditions
(Figures 11a and 11b) than during a load surge (Figures 11c
and 11d).
When the soft start reset occurs, the output is inhibited and
the soft start capacitor is discharged. The output will remain
off until C
RST
discharges to 1.3V through R
RST
, providing a
reset delay. When the IC restarts, the error amplifier output
voltage is limited to the voltage at SOFT START, thus limit-
ing the duty cycle.
Under-Voltage Lockout
On power up, when V
CC
is below 16V, the IC draws very lit-
tle current (1.1mA typ.) and V
REF
is disabled. When V
CC
rises
above 16V, the IC becomes active and V
REF
is enabled and
will stay in that condition until V
CC
falls below 10.2V. (see
Figure 12).
Figure 11a, 11b. I
LIMIT
and Resulting RC
RESET
Waveforms During Short Circuit
Figure 11c, 11d. I
and Resulting RC
RESET
Waveforms During Load Surge
Figure 12. Under-Voltage Lockout and Reference Circuits
Figure 13. Supply Current vs. Temperature (
°
C)
1V
3.4V
V(PIN 4)
V(PIN 12)
1V
3.4V
V(PIN 4)
V(PIN 12)
INHIBIT
OUTPUTS
–
+
+
–
20
24
INTERNAL
BIAS
4V
TO LOGIC
CIRCUITS
5V
V
REF
9V
V
CC
POWER
DOWN
70
68
66
64
62
60
58
56
54
52
50
–
75
–
25
25
75
125
175
TEMPERATURE
S
相關PDF資料 |
PDF描述 |
|---|---|
| ML4818 | Phase Modulation/Soft Switching Controller |
| ML4818CP | Phase Modulation/Soft Switching Controller |
| AP1119Y12A | 0.5A Positive Low Dropout Fixed-Mode Regulator With EN Function |
| AP1119 | 0.5A Positive Low Dropout Fixed-Mode Regulator With EN Function |
| AP1119Y12 | 0.5A Positive Low Dropout Fixed-Mode Regulator With EN Function |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AP1086K25G-13 | 功能描述:低壓差穩(wěn)壓器 - LDO 3-TERM ADJ OR FIXED 1.4V LDO 3.3V LOGIC RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| AP1086K25G-U | 制造商:DIODES 制造商全稱:Diodes Incorporated 功能描述:1.5A LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR |
| AP1086K25L | 制造商:ANACHIP 制造商全稱:Anachip Corp 功能描述:1.5A Low Dropout Positive Adjustable or Fixed-Mode Regulator |
| AP1086K25L-13 | 功能描述:低壓差穩(wěn)壓器 - LDO LDO BI 1.5A 1.4V 12V 1.25V 2.5V FIX RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| AP1086K25LA | 制造商:ANACHIP 制造商全稱:Anachip Corp 功能描述:1.5A Low Dropout Positive Adjustable or Fixed-Mode Regulator |
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