ncp5372 ON Semiconductor, ncp5372 Datasheet - Page 11

• Manufacturer Part Number: ncp5372
• Description: High Efficiency Two-phase Step-down Power Controller For Imvp-6.5 Mobile Cpu Core Power Supplies
• Manufacturer: ON Semiconductor

VDROOP AMPLIFIER
Input Offset Voltage
Max Output Voltage Swing
Min Output Voltage Swing
Gain-Bandwidth Product
Phase Margin
Gain
Slew Rate
Source Current
Sink Current
CSSUM AMPLIFIER
Current Sense Input to CSSUM Gain
-3dB Bandwidth
Slew Rate
CSSUM Output Offset Voltage
Maximum CSSUM Output Voltage
Minimum CSSUM Output Voltage
Source Current
Sink Current
Current Sense Amplifiers Common Mode
Input Voltage Range
Current Sense Amplifiers Differential
Mode Input Voltage Range
OSCILLATOR
Minimum Operating Frequency
Maximum Operating Frequency
OSC Current to Frequency Gain
ONE SHOT
Minimum On Time Allowed
Phase to Phase On Time Matching
TON
On Time for Each Phase
Input Bias Current When Disabled
Electrical Characteristics
(Circuit of Figure 2, VCC = VCCP1 = VCCP2 = 5.0V, V(V
* Note: Guaranteed by design
Characteristic
Rev0.3
Confidential and Proprietary – Not for Public Release
Gain
Isource
Gain
V
VOS
V
Isink
VOmax
Isource
BW
VOmin
SR
VIN
VIN
VOS
VCO
Symbol
GBW
MAXCSSUM
Fosc
MINCSSUM
Fosc
ITON
Isink
TON
Ph
PM
SR
TON
CSxCSSUM
Drp(open)
CSSUM
CSSUM
match
CSSUM
CSSUM
CSCM
CSDM
Drp
s+
Drp
DRP
CSSUM
Gain
Drp
max
min
min
Drp
ON Semiconductor CONFIDENTIAL
SD
,V
Drp
Drp
Drp
S-
) = VID(0011000) = 1.2V, T A = -40 to 85°C, unless other noted.)
Mar 19, 2008 - Page 9
(Note)
(Note)
(Note)
Load = 100pF to GND
Unity Gain
RL=10k to GND
Capacitive Load of 100pF,
± 100mV Steps
V RDOOP = 3.0V, 0.2V of overdrive
V RDOOP = 1.2V, 0.2V of overdrive
0V < CSx-CSxN ≤ 0.1V
(Note)
(Note)
(Note)
VCSSUM = 3.0V
VCSSUM = 1.2V
-
Each phase, ROSC = 30k ,
V COMP – V OSC = 3.0V
-
(Note)
RTON = 2.0M, VBAT = 12V, CSx-CSxN = 0
RTON = 1.0M, VBAT = 12V, CSx-CSxN = 0
RTON = 500k, VBAT = 12V, CSx-CSxN = 0
VTON = 18V
CSx-CSxN = 0
Test Conditions/ Notes
-6.06
-120
Min
-1.5
-6.0
-0.3
400
-10
3.0
1.0
1.0
3.0
1.0
1.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
±2.0
Typ
±2.0
-6.0
850
500
290
4.0
4.0
3.0
15
40
81
20
25
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-5.94
Max
120
100
600
1.5
1.0
6.0
0.3
2.0
10
10
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MHz/mA
MHz
V/µs
MHz
V/µs
Unit
deg
mV
mA
mA
V/V
mV
mA
mA
mV
MHz
dB
µA
ns
ns
ns
ns
%
V
V
V
V
V
Hz