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MC44602 Datasheet(PDF) 3 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) 3 Page - Motorola, Inc

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MC44602
3
MOTOROLA ANALOG IC DEVICE DATA
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
OSCILLATOR SECTION
Frequency
TJ = 25°C
TA = –25°C to +85°C
fOSC
168
160
180
192
200
kHz
Frequency Change with Voltage (VCC = 12 V to 18 V)
∆fOSC/∆V
0.1
0.2
%/V
Frequency Change with Temperature
∆fOSC/∆T
0.05
%/
°C
Oscillator Voltage Swing (Peak–to–Peak)
VOSC(pp)
1.3
1.6
V
Discharge Current (VOSC = 3.0 V)
TJ = 25°C
TA = –25°C to +85°C
Idischg
6.5
6.0
10
13.5
14
mA
Sync Input Threshold Voltage
High State
Low State
VIH
VIL
2.5
1.0
2.8
1.3
3.2
1.7
V
Sync Input Resistance
TJ = 25°C
TA = –25°C to +85°C
Rin
6.5
6.0
10
13.5
18
k
REFERENCE SECTION
Reference Output Voltage (IO = 1.0 mA)
Vref
4.7
5.0
5.3
V
Line Regulation (VCC = 12 V to 18 V)
Regline
1.0
10
mV
Load Regulation (IO = 1.0 mA to 20 mA)
Regload
3.0
15
mV
Temperature Stability
TS
0.2
mV/
°C
Total Output Variation over Line, Load and Temperature
Vref
4.65
5.35
V
Output Noise Voltage (f = 10 Hz to 10 kHz, TJ = 25°C)
Vn
50
µV
Long Term Stability (TA = 125°C for 1000 Hours)
S
5.0
mV
Output Short Circuit Current
TJ = 25°C
TA = –25°C to +85°C
ISC
–70
–130
–180
mA
CURRENT SENSE SECTION
Current Sense Input Voltage Gain (Notes 4 & 5)
TJ = 25°C
TA = –25°C to +85°C
AV
2.85
2.7
3.0
3.15
3.2
V/V
Maximum Current Sense Input Threshold (Note 4)
Vth
0.9
1.0
1.1
V
Input Bias Current
IIB
–4.0
–10
µA
Propagation Delay (Current Sense Input to Sink Output)
tPLH(in/out)
100
150
ns
UNDERVOLTAGE LOCKOUT SECTIONS
Startup Threshold (VCC Increasing)
Vth
13
14.1
15
V
Minimum Operating Voltage After Turn–On (VCC Decreasing)
VCC(min)
9.0
10.2
11
V
Reference Undervoltage Threshold (Vref Decreasing)
Vref(UVLO)
3.0
3.35
3.7
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.
4. This parameter is measured at the latch trip point with IFB = –5.0 µA, refer to Figure 9.
5. Comparator gain is defined as AV =
V Current Sense Input
V Compensation


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