MC33470_06 Datasheet, PDF (2/15 Pages) ON Semiconductor – Synchronous Rectification DC/DC Converter Programmable Integrated Controller

MC33470
18 _VID0
17 _VID1
Voltage
Identification ₁₆
Code
VID2
Input _{15 VID3}
14 _VID4
Digitally Programmed
Reference
OT 11 Outen 19 V_CC 5
Over
Temp
V_ref
V_CC
Oscillator
V_CC
9
10 mA
2.5 V
1.5 V
PWM
Comparator
SS
+
0.96 V_ref
90 mA
Over Current
Detect
190 mA
En
SQ
RQ
PWM
Latch
Delay
6
Sense
13
Power
Good
V_ref
800 m
+
1.04 V_ref
20 mA
OTA Error Amp
+
1.04 V_ref
+
0.93 V_ref
1.14 V_ref
Delay
R
Q
S
7
I_max
2
PVCC
20
G1
8
I_fb
1
G2
3
P_GND
14
Fault
A_GND 4
Compensation 10
Figure 1. Simplified Block Diagram
MAXIMUM RATINGS (T_C = 25°C, unless otherwise noted.)
Rating
Power Supply Voltage
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Output Driver Supply Voltage (Operating)}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Imax, Ifb Inputs}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{All Other Inputs and Digital (OT, Fault, Power Good) Outputs}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Power Dissipation and Thermal Characteristics}
Maximum Power Dissipation
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Case 751D DW Suffix (TA = 70°C)
Thermal Resistance, Junction−to−Ambient
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Thermal Resistance, Junction−to−Case}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Operating Junction Temperature}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Operating Ambient Temperature (Note 1)}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Storage Temperature Range}
Symbol
V_CC
PVCC
V_in
V_in
P_D
R_qJA
R_qJC
T_J
T_A
T_stg
Value
7.0
18
−0.3 to 18
−0.3 to V_CC + 0.3
0.60
91
60
125
0 to +70
−55 to +125
Unit
V
V
V
V
W
°C/W
°C/W
°C
°C
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. ESD data available upon request
http://onsemi.com
2