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MC44602 Datasheet(PDF) 2 Page - Motorola, Inc

Part No. MC44602
Description  HIGH PERFORMANCE CURRENT MODE CONTROLLER
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MC44602 Datasheet(HTML) 2 Page - Motorola, Inc

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MC44602
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Total Power Supply and Zener Current
(ICC + IZ)
30
mA
Sink Ground Voltage
with Respect to Gnd (Pin 9)
VSink(neg)
–5.0
V
Output Supply Voltage
with Respect to Sink Gnd (Pins 4, 5, 12, 13)
VC
20
V
Output Current (Note 1)
Source
Sink
IO(Source)
IO(Sink)
1.0
1.5
A
Output Energy (Capacitive Load per Cycle)
W
5.0
µJ
Current Sense and Voltage Feedback Inputs
Vin
–0.3 to 5.5
V
Sync Input
High State Voltage
Low State Reverse Current
VIH
IIL
5.5
–20
V
mA
Load Detect Input Current
Iin
–20 to +10
mA
Error Amplifier Output Sink Current
IEA (Sink)
10
mA
Power Dissipation and Thermal Characteristics
Maximum Power Dissipation at TA = 25°C
Thermal Resistance, Junction–to–Air
Thermal Resistance, Junction–to–Case
PD
R
θJA
R
θJC
2.5
80
15
W
°C/W
°C/W
Operating Junction Temperature
TJ
150
°C
Operating Ambient Temperature
TA
–25 to +85
°C
NOTE:
1. Maximum package power dissipation limits must be observed.
ELECTRICAL CHARACTERISTICS (VCC and VC = 12 V [Note 2], RT = 10k, CT = 1.0 nF, for typical values TA = 25°C, for min/max
values TA = –25°C to +85°C [Note 3] unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
ERROR AMPLIFIER SECTION
Voltage Feedback Input (VO = 2.5V)
VFB
2.45
2.5
2.65
V
Input Bias Current (VFB = 2.5 V)
IIB
–0.6
–2.0
µA
Open Loop Voltage Gain (VO = 2.0 V to 4.0 V)
AVOL
65
90
dB
Unity Gain Bandwidth
TJ = 25°C
TA = –25 to +85°C
BW
1.0
0.8
1.4
1.8
2.0
MHz
Power Supply Rejection Ratio (VCC = 10 V to 16 V)
PSRR
65
70
dB
Output Current
Sink
(VO = 1.5 V, VFB = 2.7 V)
Sink
TJ = 25°C
Sink
TA = –25 to +85°C
Source (VO = 5.0 V, VFB = 2.3 V)
Source TJ = 25°C
Source TA = –25 to +85°C
ISink
ISource
1.5
–2.0
5.0
–1.1
10
–0.2
mA
Output Voltage Swing
High State (IO(Source) = 0.5 mA, VFB = 2.3 V)
Low State (IO(Sink) = 0.33 mA, VFB = 2.7 V)
VOH
VOL
6.0
7.0
1.0
1.1
V
NOTES: 2. Adjust VCC above the startup threshold before setting to 12V.
3. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.


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