ADM8828 Analog Devices, ADM8828 Datasheet - Page 2

• Manufacturer Part Number: ADM8828
• Description: Switched-Capacitor Voltage Inverter with Shutdown
• Manufacturer: Analog Devices

Specifications of ADM8828

• Input Voltage (v): 1.5 - 5.5
• Vout Preset (v): -Vin
• Iout: 25mA
• Vout #2 (v): n/a
• Iout #2 (µa): n/a
• Vout #3 (v): n/a
• Iout #3 (µa): n/a
• Power Efficiency (%): 99%
• Supply Current: 1mA
• Shutdown Current, Max: 2µA
• Package: 6-Lead SOT 23

ADM8828/ADM8829–SPECIFICATIONS
Parameter
Input Voltage, IN
Supply Current
Output Current
Output Resistance
Output Ripple
Charge-Pump Frequency
Power Efficiency
Voltage Conversion Efficiency
Shutdown Supply Current, I
Shutdown Input Voltage, V
Shutdown Exit Time
NOTES
1
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS*
(T
Input Voltage (IN to GND) . . . . . . . . . . . . . . . –0.3 V to +6 V
OUT to GND . . . . . . . . . . . . . . . . . . . . . . . . –6.0 V to +0.3 V
OUT, IN Output Current (Continuous) . . . . . . . . . . . . 50 mA
Output Short Circuit Duration to GND . . . . . . . . . . . 10 secs
Power Dissipation, RT-6 . . . . . . . . . . . . . . . . . . . . . . 570 mW
Operating Temperature Range
Lead Temperature Range (Soldering 10 sec) . . . . . . . . +300 C
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >3500 V
*This is a stress rating only and functional operation of the device at these or any
Model
ADM8828ART –40 C to +85 C
ADM8829ART –40 C to +85 C
*RT-6 = 6-lead SOT-23.
C1 and C2 are low ESR (<0.2
other conditions above those indicated in the operation section of this specification
is not implied. Exposure to absolute maximum rating conditions for extended
periods may affect device reliability.
A
(Derate 8.3 mW/ C above +70 C)
Industrial (A Version) . . . . . . . . . . . . . . . . – 40 C to +85 C
Storage Temperature Range . . . . . . . . . . . –65 C to +150 C
Vapor Phase (70 sec) . . . . . . . . . . . . . . . . . . . . . . . . +215 C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . +220 C
JA
= +25 C unless otherwise noted)
, Thermal Impedance . . . . . . . . . . . . . . . . . . . . 120 C/W
Temperature
Range
ORDERING GUIDE
) electrolytic capacitors. High ESR will degrade performance.
SHDN
SHDN
Branding
Information
MM0
MN0
Min
1.5
25
50
65
99.5
2.0
Package
Option*
RT-6
RT-6
Typ
600
18
25
130
120
90
87
99.96
98
91
0.02
175
–2–
Mnemonic
CAP+
GND
CAP–
OUT
SHDN
IN
Max
5.5
1000
28
190
2
0.8
(V
wise noted)
IN
= +5 V, C1, C2 = 1 F,
PIN FUNCTION DESCRIPTIONS
Positive Charge-Pump Capacitor Terminal.
Power Supply Ground.
Negative Charge-Pump Capacitor Terminal.
Output, Negative Voltage.
Shutdown Control Input. This input, when
high, is used to disable the charge pump
thereby reducing the power consumption.
Positive Power Supply Input.
Function
Units
V
mA
mV p-p
mV p-p
kHz
kHz
%
%
%
%
%
V
V
PIN CONFIGURATIONS
CAP–
CAP–
A
A
s
OUT
OUT
IN
IN
NC = NO CONNECT
1
2
3
1
2
3
(Not to Scale)
(Not to Scale)
ADM8828
ADM8829
TOP VIEW
TOP VIEW
Test Conditions/Comments
R
Unloaded
I
I
I
V
R
R
No Load
R
R
SHDN = IN
SHDN High = Disabled
SHDN Low = Enabled
I
1
L
L
L
L
L
IN
L
L
L
L
T
= 5 mA
= 5 mA
= 25 mA
= 5 mA
A
= 10 k
= 200
= 1 k
= 1 k
= 200
= +2.25 V
= T
6
5
4
6
5
4
CAP+
NC
GND
MIN
CAP+
SHDN
GND
to T
MAX
unless other-
REV. A