ADP5050 View Datasheet(PDF) - Analog Devices
Part Name
Description
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ADP5050 Datasheet PDF : 57 Pages
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Data Sheet
ADP5050
SPECIFICATIONS
VIN = 12 V, VVREG = 5.1 V, TJ = −40°C to +125°C for minimum and maximum specifications, and TA = 25°C for typical specifications,
unless otherwise noted.
Table 2.
Parameter
INPUT SUPPLY VOLTAGE RANGE
QUIESCENT CURRENT
Operating Quiescent Current
UNDERVOLTAGE LOCKOUT
Rising Threshold
Falling Threshold
Hysteresis
OSCILLATOR CIRCUIT
Switching Frequency
Switching Frequency Range
SYNC Input
Input Clock Range
Input Clock Pulse Width
Minimum On Time
Minimum Off Time
Input Clock High Voltage
Input Clock Low Voltage
SYNC Output
Clock Frequency
Positive Pulse Duty Cycle
Rise or Fall Time
High Level Voltage
PRECISION ENABLING
High Level Threshold
Low Level Threshold
Pull-Down Resistor
POWER GOOD
Internal Power-Good Rising Threshold
Internal Power-Good Hysteresis
Internal Power-Good Falling Delay
Rising Delay for PWRGD Pin
Leakage Current for PWRGD Pin
Output Low Voltage for PWRGD Pin
LOGIC INPUTS (SCL AND SDA PINS)
High Level Threshold
Low Level Threshold
LOGIC OUTPUTS
Low Level Output Voltage
SDA Pin
INT Pin
INTERNAL REGULATORS
VDD Output Voltage
VDD Current Limit
VREG Output Voltage
VREG Dropout Voltage
VREG Current Limit
Symbol
Min
Typ
VIN
4.5
IQ(4-BUCKS)
ISHDN(4BUCKS+LDO)
UVLO
VUVLO-RISING
VUVLO-FALLING
3.6
VHYS
4.8
25
4.2
3.78
0.42
fSW
700
740
250
fSYNC
250
tSYNC_MIN_ON
tSYNC_MIN_OFF
VH(SYNC)
VL(SYNC)
100
100
1.3
fCLK
tCLK_PULSE_DUTY
tCLK_RISE_FALL
VH(SYNC_OUT)
fSW
50
10
VVREG
VTH_H(EN)
VTH_L(EN)
RPULL-DOWN(EN)
0.688
0.806
0.725
1.0
VPWRGD(RISE)
VPWRGD(HYS)
tPWRGD_FALL
tPWRGD_PIN_RISE
IPWRGD_LEAKAGE
VPWRGD_LOW
86.3
90.5
3.3
50
1
0.1
50
VLOGIC_HIGH
VLOGIC_LOW
0.7 × VDDIO
VSDA_LOW
VINT_LOW
VVDD
3.2
ILIM_VDD
20
VVREG
4.9
VDROPOUT
ILIM_VREG
50
3.305
51
5.1
225
95
Max
Unit
15.0
V
6.25
mA
65
µA
4.36
V
V
V
780
kHz
1400
kHz
1400
kHz
ns
ns
V
0.4
V
kHz
%
ns
V
0.832
V
V
MΩ
95
%
%
µs
ms
1
µA
100
mV
V
0.3 × VDDIO V
0.4
V
0.4
V
3.4
V
80
mA
5.3
V
mV
140
mA
Test Conditions/Comments
PVIN1, PVIN2, PVIN3, PVIN4 pins
PVIN1, PVIN2, PVIN3, PVIN4 pins
No switching, all ENx pins high
All ENx pins low
PVIN1, PVIN2, PVIN3, PVIN4 pins
RT = 25.5 kΩ
EN1, EN2, EN3, EN4, EN5 pins
IPWRGD = 1 mA
VDDIO = 3.3 V
VDDIO = 3.3 V, ISDA = 3 mA
IINT = 3 mA
IVDD = 10 mA
IVREG = 50 mA
Rev. B | Page 5 of 57
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