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RT8152C Datasheet(PDF) 10 Page - Richtek Technology Corporation

Part # RT8152C
Description  Single-Phase PWM Controller for CPU / GPU Core Power Supply
PDF  24 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8152C Datasheet(HTML) 10 Page - Richtek Technology Corporation

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RT8152C/D
10
DS8152C/D-04
April 2011
www.richtek.com
To be continued
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Protection
Absolute Over Voltage
Protection Threshold
VOVABS
(Respect to 1.5V, ±50mV)
1.45
1.5
1.55
V
Relative Over Voltage
Protection Threshold
VOV
(Respect to VDAC, ±50mV)
250
300
350
mV
Under Voltage Protection
Threshold
VUV
Measured at VSEN respect to
unloaded output voltage (UOV)
(for 0.8 < UOV < 1.5)
−450
−400
−350
mV
Negative Voltage Protection
Threshold
VNV
Measured at VSEN respect to GND
−100
--
--
mV
Current Limit Threshold
Voltage
VILIM
VISEN − VISEN_N = VILIM,
VOCSET = 2V, 40 x VILIM = VOCSET
46.5
50
53.5
mV
Thermal Shutdown Threshold
TSD
Typical hysteresis is 10°C
--
160
--
°C
Logic Inputs
RT8152E Respect to 1.05V, 70%
0.735
--
--
VIH
RT8152F Respect to 3.3V, 70%
2.31
--
--
RT8152E Respect to 1.05V, 30%
--
--
0.315
VRON Threshold
VIL
RT8152F Respect to 3.3V, 30%
--
--
0.99
V
Leakage Current of VRON
−1
--
1
μA
VIH
Respect to 1.05V, 70%
0.77
--
--
V
DAC (VID0
− VID6) and
DPRSLPVR
VIL
Respect to 1.05V, 30%
--
--
0.33
V
Leakage Current of DAC (VID0
− VID6) and DPRSLPVR
−1
--
1
μA
Power Good
CPU Core : VSEN
− VBOOT
--
−100
--
PGOOD Threshold
VTH_PGOOD
Render : VSEN
− VDAC
--
−100
--
mV
PGOOD Low Voltage
VPGOOD
IPGOOD = 4mA
--
--
0.4
V
CPU Core, CLKEN Low to PGOOD
High
3
--
20
ms
PGOOD Delay
TPGOOD
Render Mode VRON High to
PGOOD High
3
--
20
ms
Clock Enable
CLKEN Low Voltage
VCLKEN
For CPU Core Only, ICLKEN = 4mA
--
--
0.4
V
Thermal Throttling
Thermal Throttling Threshold
VOT
Measure at NTC respect to VCC
--
80
--
%VDD
Thermal Throttling Threshold
Hysteresis
VOT_HY
At VCC = 5V
--
230
--
mV
VRTT Output Voltage
VVRTT
IVRTT = 40mA
--
--
0.4
V
Current Monitor
Current Monitor Output Voltage
in Operating Range
VDAC = 0.9V, VRCMSET = 0.82V,
RCM = 7.5kΩ, RCMSET = 1.5kΩ
770
800
830
mV
Current Monitor Maximum
Output Voltage
--
--
1.15
V



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