IR3895MPBF IRF [International Rectifier], IR3895MPBF Datasheet - Page 8

• Manufacturer Part Number: IR3895MPBF
• Description: 16A HIGHLY INTERGRATED SUPLRBUCK
• Manufacturer: IRF [International Rectifier]

Soft Start/Stop
Power Good
Under‐Voltage Lockout
Accuracy
Vref Margining Voltage
Sink Current
Source Current
Vref Comparator Threshold
Soft Start Ramp Rate
Soft Start Ramp Rate
S_Ctrl Threshold
PGood Turn on Threshold
PGood Lower Turn off Threshold
PGood Turn on Delay
PGood Upper Turn off Threshold
PGood Comparator Delay
PGood Voltage Low
Tracker Comparator Upper
Threshold
Tracker Comparator Lower
Threshold
Tracker Comparator Delay
Vcc‐Start Threshold
Vcc‐Stop Threshold
Enable‐Start‐Threshold
PARAMETER
8
AUGUST 08, 2012 | DATA SHEET| Rev 3.1
VPG(on)_Dly Vsns Rising, see VPG(on)
Vref_disable
VPG(comp)_
Tdelay(track
Vref_enable
VPG(tracker
VPG(tracker
VPG(upper)
PG(voltage)
Enable_UVL
VPG(lower)
V
V
Vref_marg
Isink_Vref
Single‐Input Voltage, Synchronous Buck Regulator
(SS_start)
(SS_stop)
Isrc_Vref
SYMBOL
CC
CC
VPG(on)
_upper)
_lower)
O_Start
Ramp
Ramp
_UVLO_
Start
_UVLO_
High
Stop
Low
Dly
er)
0°C < Tj < 70°C
‐40°C < Tj < 125°C, Note 3
Vref = 0.6V
Vref = 0.4V
Vref pin connected externally
Vsns Rising, 0.4V < Vref < 1.2V
Vsns Rising, Vref < 0.1V
Vsns Falling, 0.4V < Vref < 1.2V
Vsns Falling, Vref < 0.1V
Vsns Rising, 0.4V < Vref < 1.2V
Vsns Rising, Vref < 0.1V
Vsns < VPG(lower) or
Vsns > VPG(upper)
IPgood
Vp Rising, Vref < 0.1V
Vp Falling, Vref < 0.1V
Vp Rising, Vref < 0.1V,see
VPG(tracker_upper)
Vcc Rising Trip Level
Vcc Falling Trip Level
Supply ramping up
- 8 -P
= ‐5mA
16A Highly Integrated SupIRBuck
CONDITIONS
‐0.24
MIN
12.7
12.7
0.16
1.14
115
‐0.5
‐1.0
115
0.4
0.4
2.4
85
4.0
3.7
85
80
80
1
16.0
16.0
1.28
1.28
TYP
‐0.2
120
120
0.2
0.4
0.3
4.2
3.9
1.2
90
90
85
85
2
IR3895
MAX
‐0.16
+0.5
+1.0
19.3
19.3
0.15
0.24
1.26
125
125
1.2
0.6
95
3.5
0.5
4.4
4.1
95
90
90
PD‐97746
mV/µs
% Vref
% Vref
% Vref
UNIT
% Vp
% Vp
% Vp
ms
ms
µA
µs
%
V
V
V
V
V
V
V