CS3341 Datasheet, PDF (4/8 Pages) Cherry Semiconductor Corporation – Alternator Voltage Regulator Darlington Driver

CS3341, CS3351, CS387
ELECTRICAL CHARACTERISTICS (continued) (–40°C < T_A < 125°C, –40°C < T_J < 150°C, 9.0 V ≤ V_CC ≤ 17 V; unless otherwise
specified.)
Characteristic
Battery Sense
Input Current
Regulation Voltage
Proportional Control
High Voltage Threshold Ratio
High Voltage Hysteresis
Test Conditions
–
@25°C, R₁ = 100 kΩ, R₂ = 50 kΩ
–
VHigh _Voltage @ LampOn
VRegulation @ 50%Duty Cycle
–
Min
Typ
Max
Unit
–10
–
+10
µA
13.5
–
16
V
0.050
–
0.400
V
1.083
–
1.190
–
0.020
–
0.600
V
PACKAGE PIN DESCRIPTION
PACKAGE PIN #
SO–14
Flip Chip
1
1
2
2
3, 6, 7, 9, 13
3
4
4
5
5
8
6
10
7
11
8
12
9
14
10
PIN SYMBOL
Driver
GND
NC
OSC
Lamp
IGN
Stator
Sense
V_CC
SC
FUNCTION
Output driver for external power switch–Darlington.
Ground.
No Connection.
Timing capacitor for oscillator.
Base driver for lamp driver indicates no stator signal or overvoltage condition.
Switched ignition power up.
Stator signal input for stator timer (CS3351 also power up).
Battery sense voltage regulator comparator input and protection.
Supply for IC.
Short circuit sensing.
TYPICAL PERFORMANCE CHARACTERISTICS
15.5
15
14.5
14
13.5
13
–40 –20 0 20 40 60 80 100 120
Temperature (°C)
Figure 2. Battery Voltage vs. Temperature (°C)
Over Process Variation
http://onsemi.com
4