UC3844, 45 UC2844, 45
Figure 7. Reference Voltage Change
versus Source Current
0
VCC = 15 V
I SC , REFERENCE SHORT CIRCUIT CURRENT (mA)
∆
V ref , REFERENCE VOLTAGE CHANGE (mV)
Figure 8. Reference Short Circuit Current
versus Temperature
110
VCC = 15 V
RL
≤
0.1
Ω
90
–4.0
–8.0
–12
–16
–20
–24
0
20
40
60
80
100
120
Iref, REFERENCE SOURCE CURRENT (mA)
TA = 125°C
TA = 25°C
70
TA = –55°C
50
–55
–25
0
25
50
75
100
125
TA, AMBIENT TEMPERATURE (°C)
Figure 9. Reference Load Regulation
∆
V , OUTPUT VOLTAGE CHANGE (2.0 mV/DIV)
VCC = 15 V
IO = 1.0 mA to 20 mA
TA = 25°C
∆
V , OUTPUT VOLTAGE CHANGE (2.0 mV/DIV)
Figure 10. Reference Line Regulation
VCC = 12 V to 25 V
TA = 25°C
O
O
2.0 ms/DIV
2.0 ms/DIV
Figure 11. Output Saturation Voltage
versus Load Current
V sat , OUTPUT SATURATION VOLTAGE (V)
0
VCC
Source Saturation
(Load to Ground)
VCC = 15 V
80
µs
Pulsed Load
120 Hz Rate
Figure 12. Output Waveform
VCC = 15 V
CL = 1.0 nF
TA = 25°C
–1.0
–2.0
TA = 25°C
TA = –55°C
90%
3.0
TA = –55°C
2.0
1.0
0
0
200
Sink Saturation
(Load to VCC)
TA = 25°C
10%
Gnd
400
600
800
50 ns/DIV
IO, OUTPUT LOAD CURRENT (mA)
MOTOROLA ANALOG IC DEVICE DATA
5
ONSEMI [ ON SEMICONDUCTOR ]
