RT8113 RICHTEK [Richtek Technology Corporation], RT8113 Datasheet - Page 8

• Manufacturer Part Number: RT8113
• Description: Single Phase VR11.1 PWM Controller with 7-bit VID
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT8113
www.richtek.com
8
RT/EN
Chip Disable Threshold
Running Frequency
RT Pin Voltage
RT Pin Voltage
Modulation Gain
Reference Voltage Accuracy
DAC Accuracy
VID Threshold
Error Amplifier
DC Gain
Gain-Bandwidth
Slew Rate
Output Voltage Range
Maximum Current
Power Sequence
PGOOD Low Voltage
Soft-Start Delay
V
PGOOD Delay
Current Sense Amplifier
Maximum Current
Input Offset Voltage
Soft Start
Soft Start Current
VID Change Current
Gate Driver
UGATE Drive Source
UGATE Drive Sink
LGATE Drive Source
LGATE Drive Sink
Protection
Over-Voltage Threshold
OCP Input Offset Voltage
Voltage
BOOT
Duration
Parameter
Logic-Low
Logic-High V
V
f
V
V
A
V
A
GBW
SR
V
I
V
t
t
t
I
V
I
I
I
R
I
R
V
V
OSC
EA_SLEW
D1
D3
D5
GMMAX
SS1
SS2
UGATEsr
LGATEsr
Symbol
DIS
RT, GND
RT, VDD
RAMP
IL
IH
DC
COMP
PGOOD
OSCS
OVP
OCOFS
UGATEsk
LGATEsk
R
R
R
R
1V to 1.6V
0.8V to 1V
0.5V to 0.8V
VID [7:1]
VID [7:1]
No Load
C
C
Slew
I
After POR, from EN = High to V
Measured from final V
V
Slew
Slew
BOOT – PHASE = 12V,
UGATE – PHASE = 6V
BOOT – PHASE = 8V,
250mA Source Current
V
250mA Sink Current
Sweep FB Voltage, V
and GND
and V
PGOOD = High
PGOOD
CSP
CC12
RT
RT
RT
RT
LOAD
LOAD
= 60kΩ
= 60kΩ, connected between RT/EN
= 60kΩ, connected between RT/EN
= 60kΩ
= 1.3V, sink current from CSN
CC5
= 12V, V
= 10pF
= 10pF
= 4mA
Test Conditions
LGATE
FB
= 6V
OUT
− V
value to
EAP
OUT
Rising
V
1.52
1.68
−0.5
0.05
0.05
−1.5
Min
180
300
100
120
125
−10
CC5
0.8
0.5
0.6
0.6
−5
−8
10
12
--
--
--
--
--
--
--
--
0
−
V
DS8113-02 April 2011
Typ
200
160
150
CC5
1.6
0.8
1.6
22
80
10
16
--
--
--
--
--
--
--
--
--
--
--
--
--
--
0
1
1
1
--
−
To be continued
V
Max
1.68
1.52
220
200
175
CC5
0.4
0.5
0.4
3.6
0.4
1.5
20
10
--
--
--
--
--
--
--
--
--
--
--
5
8
5
3
3
−
MHz
V/μs
Unit
%/V
kHz
mV
mV
mV
mV
mV
ms
ms
ms
dB
μA
μA
μA
μA
%
Ω
Ω
V
V
V
V
V
V
V
A
A