ADN8831
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
V DD = 3.0 V to 5.0 V, T A = 25°C, unless otherwise noted.
Table 1.
Data Sheet
Parameter 1
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
PWM OUTPUT DRIVER
Output Transition Time
Nonoverlapping Clock Delay
Output Resistance
t R , t F
R O (SNGATE, SPGATE)
C L = 3300 pF
I L = 10 mA, V DD = 3.0 V
40
20
80
6
ns
ns
Ω
Output Voltage Swing 2
SFB
V LIM = VREF
0
V DD
V
LINEAR OUTPUT AMPLIFIER
Output Resistance
Output Voltage Swing 2
R O, LNGATE
R O, LPGATE
LFB
I OUT = 2 mA, V DD = 3.0 V
I OUT = 2 mA, V DD = 3.0 V
0
200
100
V DD
Ω
Ω
V
POWER SUPPLY
Power Supply Voltage
V DD
3.0
5.5
V
Supply Current
I SY
PWM not switching
8
12
mA
?40°C ≤ T A ≤ +85°C
15
mA
Shutdown Current
Soft Start Charging Current
I SD
I SS
SYNCI/SD = 0 V
V SS = 0 V
8
8
μA
μA
Undervoltage Lockout 3
Standby Current
Standby Threshold
UVLO
I SB
V SB
Low to high threshold
SYNCI/SD = V DD , SS/SB = 0 V
SYNCI/SD = V DD
2.2
2
150
2.6
200
V
mA
mV
ERROR/COMPENSATION AMPLIFIERS
Input Offset Voltage
V OS1
V OS2
V CM1 = 1.5 V, V IN1P ? V IN1M
V CM2 = 1.5 V, V IN2P ? V IN2M
10
10
100
100
μV
μV
Input Voltage Range
Common-Mode Rejection Ratio
V CM1 , V CM2
CMRR 1 , CMRR 2
V CM1 , V CM2 = 0.2 V to V DD ? 0.2 V
0
120
V DD
V
dB
Output Voltage High
Output Voltage Low
V OH1 , V OH2
V OL1 , V OL2
V DD ? 0.03
25
V
mV
Power Supply Rejection Ratio
Output Current
Gain Bandwidth Product
PSRR 1 , PSRR 2
I OUT1 , I OUT2
GBW 1 , GBW 2
3.0 V ≤ V DD ≤ 5.0 V
Sourcing and sinking
V OUT = 0.5 V to (V DD ? 1 V)
5
110
2
dB
mA
MHz
OSCILLATOR
Sync Range
f CLK
SYNCI/SD connected to external
clock
300
1000
kHz
Oscillator Frequency
Nominal Free-Run Oscillation
Frequency
Phase Adjustment Range 2
f CLK
f CLK-NOMINAL
Φ CLK
COMPOSC = V DD , R FREQ = 118 kΩ,
SYNCI/SD = V DD , V DD = 5.0 V
COMPOSC = V DD , SYNCI/SD = V DD
V PHASE = 0.13 V, f SYNCI/SD = 1 MHz
800
200
1000
1250
1000
50
kHz
kHz
Degrees
V PHASE = 2.3 V, f SYNCI/SD = 1 MHz
330
Degrees
Phase Adjustment Default
Φ CLK
PHASE = open
180
Degrees
REFERENCE VOLTAGE
Reference Voltage
V REF
I REF = 2 mA
2.35
V
I REF = 0 mA
2.37
2.47
2.57
V
Rev. A | Page 4 of 20
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