ncp5372 ON Semiconductor, ncp5372 Datasheet - Page 12

• 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

Delay between VR_ON de-assertion and
PWRGD deassertion
Delay between PWRGD de-assertion and
VR output rail ramping down
Severe Output Overvoltage Threshold
IMON
Input Offset Voltage
IMON Output Voltage
( reference to VS-)
Maximum Clamp Voltage
IMON Amplifier Gain
-3dB Bandwidth
Slew Rate
Source Current
Sink Current
PWRGD and PROTECTION MONITOR
Delay from CLK_ENABLE#
Logic Low
OFF State Leakage Current
Power Good Tolerance Positive Side
Power Good Tolerance negative side
Power Not Good Indicate Blanking Time
CURRENT LIMIT
ILIM Bias Current
ILIM Threshold Accuracy,
V(CS1, CS1N) + V(CS2, CS2N) - VLIM
Current Limit Range
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
VOS
VIMONMAX
VIMON50%MAX 50% I MAX, VCSSUM = 26mV ,
VIMON25%MAX 25% I MAX, VCSSUM = 13mV ,
VIMONMIN
V
Gain
Isource
Isink
TDlyCK
MAXCLAMP
IOFFL
PWRGDTP
PWRGDTN
TPWRNGD
T
T
Range
PWRGD
SOVPth+
SOVPth-
Symbol
BW
SR
ILIM
PWRDOWN1
PWRDOWN2
IMON
IMON
IMON
Vth
IMON
IMON
IMON
s+
ILIM
PWRGD
PWRGD
bias
ON Semiconductor CONFIDENTIAL
,V
ILIM
S-
L
) = VID(0011000) = 1.2V, T A = -40 to 85°C, unless other noted.)
Mar 19, 2008 - Page 10
(Note)
100% I MAX, VCSSUM = 52mV ,
Gaindrp = 0.8, GainIMON = 4,
Gaindrp = 0.8, GainIMON = 4
Gaindrp = 0.8, GainIMON = 4
0% I MAX, VCSSUM = 0mV,
Gaindrp = 0.8, GainIMON = 4
VIMON – VS-
(Note)
(Note)
VIMON = 1.0V
-
-
(Note)
500
-
V(VS+,VS-) Rising Relative to
VDAC for > 1ms
V(VS+,VS-) Falling Relative to
VDAC for > 1ms
From
to PWRGD de-assertion
OVPEN = High, V(VS+,VS-) Relative to
SOVPth+ for > 2µs
OVPEN = High, V(VS+,VS-) Relative to
SOVPth-
-
V(CSx, CSxN) = 25mV,
Vth
(Note)
VIMON = 0.3V
ILIM
V(VS+,VS-)
pull-up to 3.3V
= V
LIM
Test Conditions
-
25mV*6
out of regulation window
1.535
3.96
-360
Min
-1.5
900
450
225
160
9.0
0.3
3.0
0
-
-
-
-
-
-
-
-
-
-
-
-
1.550
1000
±0.5
-300
Typ
530
320
500
500
200
200
4.0
0.3
20
10
0
-
-
-
-
-
-
-
-
-
1.565
1100
Max
1.15
4.04
-240
610
415
100
100
100
240
1.5
0.3
2.0
50
10
11
-
-
-
-
-
-
-
MHz
V/µs
Unit
V/V
mV
mV
mV
mV
mV
mV
mV
mV
µA
µA
ns
ns
µA
µA
µs
V
V
V
ms
V
V