GRM188R61E105KA12D 데이터 시트보기 (PDF) - International Rectifier
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GRM188R61E105KA12D
International Rectifier
GRM188R61E105KA12D Datasheet PDF : 45 Pages
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9A Highly Integrated SupIRBuckTM
Single‐Input Vo- l8ta-ge, Synchronous Buck Regulator
PD‐97661
IR3899
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNIT
Vref Margining Voltage
Sink Current
Source Current
Vref Comparator Threshold
Soft Start/Stop
Soft Start Ramp Rate
Soft Stop Ramp Rate
S_Ctrl Threshold
Power Good
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
Under‐Voltage Lockout
Vcc‐Start Threshold
Vcc‐Stop Threshold
Enable‐Start‐Threshold
Enable‐Stop‐Threshold
Enable Leakage Current
Over‐Voltage Protection
OVP Trip Threshold
OVP Comparator Delay
Vref_marg
Isink_Vref
Isrc_Vref
Vref_disable
Vref_enable
Vref = 0.6V
Vref = 0.4V
Vref pin connected externally
0.4
1.2
V
12.7 16.0 19.3
µA
12.7 16.0 19.3
0.15
V
0.4
Ramp(SS_start)
Ramp(SS_stop)
High
Low
0.16 0.2 0.24
mV/µs
‐0.24 ‐0.2 ‐0.16
2.4
V
0.6
VPG(on)
Vsns Rising, 0.4V < Vref < 1.2V
Vsns Rising, Vref < 0.1V
VPG(lower) Vsns Falling, 0.4V < Vref < 1.2V
Vsns Falling, Vref < 0.1V
VPG(on)_Dly Vsns Rising,see VPG(on)
VPG(upper) Vsns Rising, 0.4V < Vref < 1.2V
Vsns Rising, Vref < 0.1V
VPG(comp)_ Vsns < VPG(lower) or
Dly
Vsns >VPG(upper)
PG(voltage) IPgood = ‐5mA
VPG(tracker_ Vp Rising, Vref < 0.1V
upper)
VPG(tracker_ Vp Falling, Vref < 0.1V
lower)
Tdelay(tracker) Vp Rising, Vref < 0.1V,see
VPG(tracker_upper)
85
90
95 % Vref
85
90
95
% Vp
80
85
90 % Vref
80
85
90
% Vp
1.28
ms
115 120 125 % Vref
115 120 125 % Vp
1
2
3.5
µs
0.5
V
0.4
V
0.3
1.28
ms
VCC_UVLO_Start
VCC_UVLO_Stop
Vcc Rising Trip Level
Vcc Falling Trip Level
Enable_UVLO_Start
Enable_UVLO_Stop
Ien
Supply ramping up
Supply ramping down
Enable = 3.3V
4.0
4.2
4.4
3.7
3.9
4.1
V
1.14 1.2 1.26
V
0.95
1
1.05
1
µA
OVP_Vth Vsns Rising, 0.45V < Vref < 1.2V 115 120 125 % Vref
Vsns Rising, Vref < 0.1V
115 120 125 % Vp
OVP_Tdly
1
2
3.5
µs
8 JANUARY 18, 2013 |DATA SHEET | 3.6
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