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参数资料
| 型号： | ADP1864-BL-EVALZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | EVAL BLANK ADISIMPOWER ADP1864 |
| 产品培训模块： | Active Filter Design Tools |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 稳压器拓扑结构： | 降压 |
| 板类型： | 部分填充 - 仅限主 IC |
| 已供物品： | 板 |
| 已用 IC / 零件： | ADP1864 |
Data Sheet
SPECIFICATIONS
V IN = 5 V, T J = 25°C, unless otherwise noted.
Table 1.
ADP1864
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
POWER SUPPLY
Input Voltage
V IN
3.15
14
V
Quiescent Current
Shutdown Supply Current
I Q
I SD
V IN = 3.15 V to 14 V, PGATE = IN
V IN = 3.15 V to 14 V, COMP = GND
235
7
360
15
μA
μA
Undervoltage Lockout Threshold
V UVLO
V IN falling, T J = ?40°C to +125°C
V IN rising, T J = ?40°C to +125°C
2.75
2.85
2.90
3.00
3.01
3.15
V
V
ERROR AMPLIFIER
FB Input Current
I FB
V FB = 0.8 V, T J = 25°C
V FB = 0.8 V, T J = ?40°C to +125°C
?20
?40
?2
?2
+20
+40
nA
nA
Amplifier Transconductance
V FB = 0.8 V, I COMP = ±5 μA
0.24
mmho
COMP Startup Threshold
COMP Shutdown Threshold
COMP Start-Up Current Source
FB Regulation Voltage
V IN = 3.15 V to 14 V, T J = ?40°C to +125°C
V IN = 3.15 V to 14 V, T J = ?40°C to +125°C
COMP = GND
V IN = 3.15 V to 14 V, T J = ?40°C to +125°C
0.55
0.15
0.25
0.790
0.67
0.3
0.6
0.8
0.80
0.55
0.95
0.810
V
V
μA
V
Overvoltage Protection Threshold
V OVP
Measured at FB, T J = ?40°C to +125°C
0.87
0.885
0.9
V
Overvoltage Protection Hysteresis
CURRENT SENSE
50
mV
Peak Current Sense Voltage
Current Sense Gain
T J = ?40°C to +125°C
V IN = 3.15 V to 14 V, T J = ?40°C to +125°C
V CS to V COMP
90
70
125
125
12
mV
mV
V/V
OUTPUT REGULATION
Line Regulation 1
Load Regulation 2
V IN = 3.15 V to 14 V, V FB /V IN
V FB /V COMP
0.12
?2
mV/V
mV/V
OSCILLATOR
Oscillator Frequency
V FB = 0.8 V, T J = ?40°C to +125°C
500
580
650
kHz
FB Frequency Foldback Threshold
GATE DRIVE
V FB = 0 V
190
0.35
kHz
V
Gate Rise Time
Gate Fall Time
Minimum On Time
SOFT START POWER-ON TIME
C GATE = 3 nF
C GATE = 3 nF
PGATE minimum low duration
50
40
190
1.1
ns
ns
ns
ms
1
2
Line regulation is measured using the application circuit in Figure 1. Line regulation is specified as the change in the FB voltage resulting from a 1 V change in
the IN voltage.
Load regulation is measured using the application circuit in Figure 1. Load regulation is specified as the change in the FB voltage resulting from a 1 V change in the
COMP voltage. The COMP voltage range is typically 0.9 V to 2.3 V for the minimum to maximum load current condition.
Rev. C | Page 3 of 16
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