ADP3196 查看數據表（PDF） - Analog Devices
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ADP3196 Datasheet PDF : 20 Pages
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ADP3196
Parameter
Symbol Conditions
DELAY TIMER
Normal Mode Output Current
IDELAY
IDELAY = IIREF
Output Current in Current Limit
Threshold Voltage
IDELAY(CL)
VDELAY(TH)
IDELAY(CL) = 0.25 × IIREF
SOFT START
Output Current (Startup)
ISS(STARTUP) During startup, ISS(STARTUP) = 0.25 × IIREF
Output Current (DAC Code
Change)
ISS(DAC)
DAC code change, ISS(DAC) = 1.25 × IIREF
ENABLE INPUT
Threshold Voltage
Hysteresis
Input Current
VTH(EN)
VHYS(EN)
IIN(EN)
Delay Time
OD OUTPUT
tDELAY(EN)
EN > 950 mV, CDELAY = 10 nF
Output Low Voltage
VOL(OD)
Output High Voltage
VOH(OD)
OD Pull-Down Resistor
THERMAL THROTTLING CONTROL
TTSENSE Voltage Range
Internally limited
TTSENSE Bias Current
TTSENSE VRM_OFF Threshold
Voltage
TTSENSE VRMHOT Threshold
Voltage
TTSENSE Hysteresis
VRM_OFF Output Low Voltage
VRMHOT Output Low Voltage
POWER-GOOD COMPARATOR
VOL(VRFAN)
VOL(VRHOT)
I VRFAN (SINK) = −4 mA
I VRHOT (SINK) = −4 mA
Overvoltage Threshold
VPWRGD(OV)
Relative to nominal DAC output; DAC = 0.5 V to 1.55 V
Relative to nominal DAC output; DAC = 0.375 V to 0.4785 V
Undervoltage Threshold
VPWRGD(UV)
Relative to nominal DAC output; DAC = 0.5 V to 1.55 V
Relative to nominal DAC output; DAC = 0.375 V to 0.4785 V
Output Low Voltage
Power-Good Delay Time
During Soft Start2
VID Code Changing
VOL(PWRGD)
IPWRGD(SINK) = −4 mA
CDELAY = 10 nF
VID Code Static
Crowbar Trip Point
Crowbar Delay Time
VID Code Changing
VCROWBAR
tCROWBAR
Relative to FBRTN
Overvoltage to PWM going low
VID Code Static
PWM OUTPUTS
Output Low Voltage
Output High Voltage
POWER SUPPLY
VCC
VOL(PWM)
VOH(PWM)
VCC
IPWM(SINK) = −400 μA
IPWM(SOURCE) = 400 μA
VSYSTEM = 12 V, RSHUNT = 340Ω (see Figure 2)
DC Supply Current
IVCC
UVLO Turn On Current
UVLO Threshold Voltage
UVLO Threshold Voltage
VUVLO
VUVLO
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
12
15
18
µA
3.0
3.75 4.5
µA
1.6
1.7
1.8
V
3
3.75 4.5
μA
15
18.75 22.5 μA
750 800 850 mV
80
100 125 mV
−1
μA
2
ms
160 500 mV
4
5
V
60
kΩ
0
5
V
−135 −123 −111 μA
1.06 1.105 1.15 V
765 810 855 mV
50
mV
150 300 mV
150 300 mV
200 250 300 mV
190 250 310 mV
−300 −250 −200 mV
−310 −250 −190 mV
150 300 mV
2
ms
100 250
μs
200
ns
1.75 1.8
1.85 V
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
Rev. 0 | Page 4 of 20
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