IR3895MTRPBF International Rectifier, IR3895MTRPBF Datasheet - Page 8

• Manufacturer Part Number: IR3895MTRPBF
• Description: 16A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
• Manufacturer: International Rectifier

Specifications of IR3895MTRPBF

• Part Status: Active and Preferred
• Package: PQFN / 5 x 6
• Circuit: Single Output
• Iout (a): 16
• Switch Freq (khz): 0 - 1500
• Input Range (v): 1.0 - 16
• Output Range (v): 0.5 - 12
• Pbf: PbF Option Available

Soft Start/Stop
Power Good
Under‐Voltage Lockout
Vref Margining Voltage
Sink Current
Source Current
Vref Comparator Threshold
Soft Start Ramp Rate
Soft Start Ramp Rate
S_Ctrl Threshold
Power Good Turn on Threshold
Power Good Lower Turn off
Threshold
Power Good Turn on Delay
Power Good 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
Enable‐Stop‐Threshold
Enable Leakage Current
PARAMETER
8
FEBRUARY 01, 2012 | DATA SHEET| Rev 3.0
Enable_UVL
O_Stop
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
Ien
er)
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
Supply ramping down
Enable = 3.3V
- 8 -P
= ‐5mA
16A Highly Integrated SupIRBuck
CONDITIONS
‐0.24
MIN
12.7
12.7
0.16
1.14
0.95
115
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
1
IR3895
MAX
‐0.16
19.3
19.3
0.15
0.24
1.26
1.05
125
125
1.2
0.6
95
3.5
0.5
4.4
4.1
95
90
90
1
PD‐97746
mV/µs
% Vref
% Vref
% Vref
UNIT
% Vp
% Vp
% Vp
ms
ms
µA
µA
µs
V
V
V
V
V
V
V