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ADP3026 Datasheet(PDF) 2 Page - Analog Devices

Part # ADP3026
Description  High-Efficiency Notebook Computer Power Supply Controller
PDF  19 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP3026 Datasheet(HTML) 2 Page - Analog Devices

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–2–
REV. PrB
ADP3026–SPECIFICATIONS
PRELIMINARY TECHNICAL DATA
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INTERNAL 5 V REGULATOR
INTVCC
Input Voltage Range
6.5
25
V
5 V Voltage
TA = 25°C
4.95
5.025
5.15
V
Line Regulation
6.5 V
≤ VIN ≤ 25 V
0.3
mV/V
Total Variation
Line, Temp
4.8
5.2
V
Undervoltage Lockout
INTVCC Falling
4.2
4.4
4.5
V
Threshold Voltage
Undervoltage Lockout
300
mV
Hysteresis
REFERENCE
Output Voltage
2
REF
6.5 V
≤ VIN ≤ 25 V
792
800
808
V
SUPPLY CURRENT
IQ
Shutdown Current
SD = 0 V
14
20
µA
Standby Current
SS3 = SS5 = 0 V
100
200
µA
SD = 5 V
Quiescent Current
No Loads
400
µA
(Power-Saving Mode)
SS3 = SS5 = 5 V
FB5 = 5.05 V, FB3 = 3.33 V
OSCILLATOR
Frequency
fOSC
6.5 V
≤ VIN ≤ 25 V
264
300
336
kHz
POWER GOOD
PWRGD
Output Voltage In Regulation
10 k
Ω Pull-Up to 5 V
4.8
V
Output Voltage Out of Regulation
10 k
Ω Pull-Up to 5 V
0.4
V
FB5 < 90% of Nominal
Output Value
PWRGD Trip Threshold
FB5 Rising
–7
–3
–2
%
PWRGD Hysteresis
FB5 Falling
4
%
CPOR Pull-Up Current
CPOR = 1.2 V
1
µA
ERROR AMPLIFIER
DC Gain
67
dB
Gain-Bandwidth Product
GBW
10
MHz
MAIN SMPS CONTROLLERS
Fixed 5 V Output Voltage
FB5
PWM Mode
6.5 V
≤ VIN ≤ 25 V
4.90
5.0
5.10
V
Power-Saving Mode
6.5 V
≤ VIN ≤ 25 V
4.925
5.025
5.125
V
Fixed 3.3 V Output Voltage
FB3
PWM Mode
6.5 V
≤ VIN ≤ 25 V
3.234
3.3
3.366
V
Power-Saving Mode
6.5 V
≤ VIN ≤ 25 V
3.250
3.316
3.382
V
Current Limit Threshold (PWM Mode)
CLSET5 = CLSET3 = Floating
6.5 V
≤ VIN ≤ 25 V, T
A = 25°C
54
72
90
mV
CLSET5 = CLSET3 = 0 V
6.5 V
≤ VIN ≤ 25 V, TA = 25°C
240
300
360
mV
Current Limit Threshold
(Power-Saving Mode)
CLSET5 = CLSET3 = Floating
6.5 V
≤ VIN ≤ 25 V, TA = 25°C
16
mV
CLSET5 = CLSET3 = 0 V
6.5 V
≤ VIN ≤ 25 V, TA = 25°C
70
mV
(@ TA = –40 C to +85 C, VIN = 12 V, SS5 = SS3 = INTVCC, INTVCC Load = 0 mA,
REF Load = 0 mA, SD = 5 V, unless otherwise noted.)



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