IR3623MPBF_1 IRF [International Rectifier], IR3623MPBF_1 Datasheet - Page 3

• Manufacturer Part Number: IR3623MPBF_1
• Description: HIGH FREQUENCY 2-PHASE, SINGLE OR DUAL OUTPUT SYNCHRONOUS STEP DOWN CONTROLLER WITH OUTPUT TRACKING AND SEQUENCING
• Manufacturer: IRF [International Rectifier]

Recommended Operating Conditions
Electrical Specifications
Unless otherwise specified, these specification apply over Vcc=12V, 0
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Output Voltage Accuracy
FB1, FB2 Voltage
Accuracy
Supply Current
V
Drive Current
Input Voltage High
Input Voltage Low
Symbol
Vcc
Fs
Tj
Under Voltage Lockout
V
V
Enable-Threshold
Enable-Hysteresis
5V_sns-Threshold
5V_sns_Hysteresis
Ph_En, PWM 1,2
Internal Regulator
Output Accuracy
Output Curret
Oscillator
Frequency
Frequency Range
Ramp Amplitude
Min Duty Cycle
Min Pulse Width
Max duty Cycle
Sync Frequency Range
Sync Pulse Duration
Sync High Level
Threshold
Sync Low Level
Threshold
CC
CC
CC
-Threshold
-Hysteresis
Supply Current
Parameter
(Static)
Definition
Supply Voltage
Operating frequency
Junction temperature
5V_sns_UVLO(R)
5V_sns_UVLO(F)
V
V
En_UVLO(R)
5V_sns_Hyst
En_UVLO(F)
CC
CC
I
Fs(range)
Dmin(ctrl)
CC
Vcc-Hyst
En_Hyst
_UVLO(R)
_UVLO(F)
Vramp
SYM
I
Dmax
Dmin
(drive)
V
(Static)
V
F
Io
out3
FB
S
-40
SS=0V, No Switching
Supply ramping up
Supply ramping down
Supply ramping up / down
Supply ramping up
Supply ramping down
Supply ramping up / down
Supply ramping up
Supply ramping down
Supply ramping up / down
7.6V<Vcc<14.5V
Isource=0 to 200mA
Rt=51K
See Figure 16
Note1
Fb=1V
F
F
20% above free running Freq
Note1
Note1
S
S
=300kHz, Note1
=300kHz, Fb=0.6V
o
C<Tj< 125
Test Condition
Min
200
-40
8.5
o
C, Note2
Max
1200
14.5
125
Units
-2.5
4.55
Min
200
510
200
200
400
7.6
6.9
1.2
1.0
4.3
4.9
kHz
o
85
-1
2
o
C<Tj<105
-
V
C
V
5.15
TYP
8.00
1.25
600
100
100
600
300
7.4
1.2
4.6
out3
10
0.8
10
o
C
-1
IR3623MPbF
MAX
+1.35
1.35
4.85
1200
2400
800
5.4
8.4
7.9
1.4
4.8
0.8
+1
17
690
150
0.8
0
Units
mV
mA
mV
mV
mA
kHz
kHz
kHz
mA
%
%
ns
ns
V
V
V
V
V
V
V
V
%
%
V
V
V
V
V
3