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參數資料
| 型號： | ADP3025 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | High Efficiency Dual Output Power Supply Controller |
| 中文描述： | 高效率雙輸出電源控制器 |
| 文件頁數： | 3/24頁 |
| 文件大小： | 609K |
| 代理商： | ADP3025 |
ADP3025
SPECIFICATIONS
1
Table 1. T
A
= 0°C to 70°C, V
IN
= 12 V, SS5 = SS3 = INTVCC, INTVCC Load = 0 mA, REF Load = 0 mA, SYNC = 0 V,
SD = 5 V, unless otherwise noted
Parameter
Symbol
Conditions
INTERNAL 5 V REGULATOR
INTVCC
Input Voltage Range
Output Voltage
T
A
= 25°C
Line Regulation
5.5 V ≤ VIN ≤ 25 V
Total Variation
Full VIN and temperature range
VIN Undervoltage Lockout
V
UVLO
INTVCC falling
Threshold Voltage
Hysteresis
REFERENCE
Output Voltage
2
REF
5.5 V ≤ VIN ≤ 25 V
SUPPLY
I
Q
Shutdown Current
5.5 V ≤ VIN ≤ 25 V, SD= 0 V
Standby Current
SS3 = SS5 = COMP2/SD2 = 0 V, SD = 5 V
Quiescent Current
No loads, SS3 = SS5 = COMP2/SD2 = 4 V,
FB5 = 810 mV, FB3 = 810 mV, FB2 = 810 mV,
ADJ/FX5 = ADJ/FX3 = 5 V
OSCILLATOR
Frequency
f
OSC
SYNC = AGND, 5.5 V ≤ VIN ≤ 25 V
SYNC = INTVCC, 5.5 V ≤ VIN ≤ 25 V
SYNC Input
Frequency Range
Input Low Voltage
3
t
F
≤ 200 ns
Input High Voltage
3
t
R
≤ 200 ns
Input Current
SYNC = 5 V
POWER GOOD
PWRGD
Output Voltage in Regulation
10 k pull-up to 5 V
Output Voltage out of Regulation
10 k pull-up to 5 V, FB5 < 90% of nominal
output value
PWRGD Trip Threshold
FB5 rising; with respect to nominal output
PWRGD Hysteresis
FB5 falling; with respect to nominal output
CPOR Pull-Up Current
CPOR = 1.2 V
ERROR AMPLIFIER
DC Gain
3
Gain-Bandwidth Product
3
GBW
Input Leakage Current
I
EAN
ADJ/FX5 = ADJ/FX3 = 5 V
Rev. A | Page 3 of 24
Min
5.5
4.95
4.8
4.05
784
Typ
5.02
1.0
4.25
270
800
19
120
1.3
Max
25
5.15
5.2
4.5
816
70
200
1.9
Unit
V
V
mV/V
V
V
mV
mV
μA
μA
mA
175
250
230
2.8
4.8
210
300
0.5
245
350
350
0.4
0.4
kHz
kHz
kHz
V
V
μA
V
V
–6.0
–3.0
–3.7
4
–1
47
10
–1.5
–0.3
200
%
%
μA
dB
MHz
nA
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| ADP3025JRU | 制造商:Analog Devices 功能描述:DC DC CNTRLR DUAL-OUT SYNC BUCK 5.5V TO 25V 38TSSOP - Bulk |
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