adm1051a Analog Devices, Inc., adm1051a Datasheet - Page 2

• Manufacturer Part Number: adm1051a
• Description: Precision Dual Voltage Regulator Controllers
• Manufacturer: Analog Devices, Inc.

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