ADP3192A 查看數據表（PDF） - Analog Devices
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ADP3192A Datasheet PDF : 32 Pages
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ADP3192A
Parameter
ILIMIT Voltage
Maximum Output Voltage
Current-Limit Threshold Voltage
Current-Limit Setting Ratio
DELAY TIMER
Normal Mode Output Current
Output Current in Current Limit
Threshold Voltage
SOFT START
Output Current
ENABLE INPUT
Threshold Voltage
Hysteresis
Input Current
Delay Time
OD OUTPUT
Output Low Voltage
Output High Voltage
OD Pull-Down Resistor
THERMAL THROTTLING CONTROL
TTSENSE Voltage Range
TTSENSE Bias Current
TTSENSE VRFAN Threshold Voltage
TTSENSE VRHOT Threshold Voltage
TTSENSE Hysteresis
VRFAN Output Low Voltage
VRHOT Output Low Voltage
POWER-GOOD COMPARATOR
Undervoltage Threshold
Overvoltage Threshold
Output Low Voltage
Power-Good Delay Time
During Soft Start2
VID Code Changing
VID Code Static
Crowbar Trip Point
Crowbar Reset Point
Crowbar Delay Time
VID Code Changing
VID Code Static
PWM OUTPUTS
Output Low Voltage
Output High Voltage
SUPPLY
VCC2
DC Supply Current
UVLO Turn-On Current
UVLO Threshold Voltage
UVLO Turn-Off Voltage
Symbol
VILIMIT
Conditions
RILIMIT = 121 kΩ (VILIMIT = (IILIMIT × RILIMIT))
VCL
VCSREF − VCSCOMP, RILIMIT = 121 kΩ
VCL/VILIMIT
IDELAY
IDELAY(CL)
VDELAY(TH)
IDELAY = IIREF
IDELAY(CL) = 0.25 × IIREF
ISS
During startup, ISS = IIREF
VTH(EN)
VHYS(EN)
IIN(EN)
tDELAY(EN)
EN > 950 mV, CDELAY = 10 nF
VOL(OD)
VOH(OD)
Internally limited
VOL(VRFAN)
VOL(VRHOT)
IVRFAN(SINK) = −4 mA
IVRHOT(SINK) = −4 mA
VPWRGD(UV)
VPWRGD(OV)
VOL(PWRGD)
Relative to nominal DAC output
Relative to nominal DAC output
IPWRGD(SINK) = −4 mA
CDELAY = 10 nF
VCROWBAR
tCROWBAR
Relative to nominal DAC output
Relative to FBRTN
Overvoltage to PWM going low
VOL(PWM)
VOH(PWM)
VCC
IVCC
VUVLO
IPWM(SINK) = −400 μA
IPWM(SOURCE) = 400 μA
VSYSTEM = 12 V, RSHUNT = 340 Ω (see Figure 2)
VSYSTEM = 13.2 V, RSHUNT = 340 Ω
VCC rising
VCC falling
1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
2 Guaranteed by design or bench characterization, not tested in production.
Min Typ Max Unit
1.09 1.21 1.33 V
3
V
80 100 125 mV
82.6
mV/V
12 15 18 μA
3.0 3.75 4.5 μA
1.6 1.7 1.8 V
12 15 18 μA
800 850 900 mV
80 100 125 mV
−1
μA
2
ms
160 500 mV
4
5
V
60
kΩ
0
5
V
−133 −123 −113 μA
1.06 1.105 1.15 V
765 810 855 mV
50
mV
150 300 mV
150 300 mV
−400 −350 −300 mV
100 150 200 mV
150 300 mV
2
ms
100 250
μs
200
ns
100 150 200 mV
320 375 430 mV
100 250
μs
400
ns
160 500 mV
4.0 5
V
4.65 5
6.5
9
4.1
5.55 V
25 mA
11 mA
V
V
Rev. 0 | Page 4 of 32
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