ADM8832
Rev. A | Page 3 of 12
SPECIFICATIONS
V
CC
= 2.6 V to 3.6 V, T
A
= −40°C to +85°C, unless otherwise noted; C1, C5, C6, C7 = 2.2 µF, C2, C3, C4, C8, C9 = 1 µF, CLKIN = 1 kHz in
blanking mode.
Table 1.
Parameter Min Typ Max Unit Test Conditions
INPUT VOLTAGE, V
CC
2.6 3.6 V
SUPPLY CURRENT, I
CC
150 400 µA Unloaded, Scanning Period
70 140 µA Unloaded, Blanking Period
1 µA Shutdown Mode, T
A
= 25°C
+5.1 V OUTPUT
Output Voltage 5.0 5.1 5.2 V I
L
= 10 µA to 8 mA
Output Current 4 5 mA Scanning Period
5 8 mA Scanning Period, V
CC
> 2.7 V
50 200 µA Blanking Period
Power Efficiency 80 % V
CC
= 3 V, I
L
= 5 mA (Scanning)
70 % V
CC
= 3 V, I
L
= 200 µA (Blanking)
Output Ripple 10 mV p-p 8 mA Load
Transient Response 5 µs I
L
Stepped from 10 µA to 8 mA
+15.3 V OUTPUT
Output Voltage 14.4 15.3 15.6 V I
L
= 1 µA to 100 µA
Output Current 50 100 µA Scanning Period
1 10 µA Blanking Period
Output Ripple 50 mV p-p I
L
= 100 µA
−10.2 V OUTPUT
Output Voltage −10.4 −10.2 −9.6 V I
L
= –1 µA to −100 µA
Output Current −100 −50 µA Scanning Period
−10 −1 µA Blanking Period
Output Ripple 50 mV p-p I
L
= –100 µA
POWER EFFICIENCY 90 % Relative to 5.1 V Output, I
L
= 100 µA (Scanning)
(+15.3 V and −10.2 V Outputs) 80 % Relative to 5.1 V Output, I
L
= 10 µA (Blanking)
CHARGE PUMP FREQUENCY 60 100 140 kHz Scanning Period
CONTROL PINS
SHDN
Input Voltage, V
SHDN
0.3 V
CC
V
SHDN
Low = Shutdown Mode
0.7 V
CC
V
SHDN
High = Normal Mode
Digital Input Current ±1 µA
Digital Input Capacitance
1
10 pF
SCAN/BLANK
Input Voltage 0.3 V
CC
V
Low = BLANK
Period
0.7 V
CC
V High = SCAN Period
Digital Input Current ±1 µA
Digital Input Capacitance
1
10 pF
LDO_ON/OFF
Input Voltage 0.3 V
CC
V Low = External LDO
0.7 V
CC
V High = Internal LDO
Digital Input Current ±1 µA
Digital Input Capacitance
1
10 pF
Footnotes after table.
