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ADM1051 数据表(PDF) 2 Page - Analog Devices

部件名 ADM1051
功能描述  Precision Dual Voltage Regulator Controllers
Download  10 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADM1051 数据表(HTML) 2 Page - Analog Devices

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REV. 0
–2–
ADM1051/ADM1051A–SPECIFICATIONS
(VCC = 12 V
6%, VIN = 3.3 V, TA = 0 C to 70 C, both
channels, unless otherwise noted. See Test Circuit.)
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
OUTPUT VOLTAGE
Channel 1
1.515
V
SHDN1 Floating
Channel 2
1.818
V
OUTPUT VOLTAGE ACCURACY
–2.5
+2.5
%
VIN = 3.0 V to 3.6 V, IOUT = 10 mA to 1 A
Load Regulation
–5
+5
mV
VIN = 3.3 V, IOUT = 10 mA to 1 A
1
Line Regulation
–5
+5
mV
VIN = 3.0 V to 3.6 V, IOUT = 1 A
1
5 VSB Supply Voltage Required for
4.6
V
Test Circuit as Figure 7.
2 I
LOAD = 500 mA
Channel 2 Regulation
CONTROL AMPLIFIER
Control Amplifier Open-Loop Gain
100
dB
Control Amplifier Slew Rate
3
V/
µs
Closed-Loop Settling Time
5
µsIO = 10 mA to 2 A
Turn-On Time
5
µs
To 90% of Force High Output Level (CL = 470 pF)
Sense Input Impedance
1
50
k
Force Output Voltage Swing, VF (High)
10
V
RL = 10 k
Ω to GND
Force Output Voltage Swing, VF (Low)
2
V
RL = 10 k
Ω to VCC
HICCUP MODE
Hiccup Mode Hold-Off Time
30
60
90
ms
See Figure 4
Hiccup Mode Threshold
0.8
× V
OUT
V
Hiccup Comparator Glitch Immunity
100
µs
Hiccup Mode On-Time
0.5
1.0
1.5
ms
Hiccup Mode Off-Time
20
40
60
ms
Power-On Reset Threshold
6
9
V
SHUTDOWN,
SHDN1
Mode 1 (Shutdown)
0.8
V
Mode 2 (1.5 V Out)
2
3.9
V
Mode 3 (3.3 V Out)
4.3
5.3
V
Mode 4 (1.5 V Out)
6.2
12
V
SHUTDOWN,
SHDN2
Shutdown Input Low Voltage, VIL
0.8
V
Shutdown Input High Voltage, VIH
2.0
V
Supply Current, Normal Operation
2.4
4.0
mA
Shutdown Inputs Floating
Supply Current, Shutdown Mode
600
1000
µA
Both Channels Shut Down
NOTES
1Guaranteed by design.
25 VSB Supply is connected to, and measured at anode of Schottky Diode.
Specifications subject to change without notice.


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