TL1451_08 Datasheet, PDF (8/14 Pages) Unisonic Technologies – DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

TL1451
„ TYPICAL CHARACTERISTICS(cont.)
LINEAR INTEGRATED CIRCUIT
70 _{VCC = 5V}
60 ^{RREF = 15Ω}
C_REF = 470pF
50 ^{Ta = 25℃}
40
Closed-Loop Gain and Phase Shift vs Frequency
Closed-Loop Gain
(Left Scale)
Phase Shift
(Right Scale)
30
20
10
0
100
1k
10k
100k
Frequency, f (Hz)
C_X: 47pF
470pF
4700pF
0°
-10°
-20°
-30°
-40°
-50°
-60°
-70°
-80°
-90°
1M
V_REF
39kΩ
39kΩ
+
-
CX
R_REF
C_REF
70
VCC = 5V
60 ^{RREF = 15Ω}
C_REF = 470pF
Ta = 25℃
50
40
30
20
10
0
100
Closed-Loop Gain and Phase Shift vs Frequency
Closed-Loop Gain
(Left Scale)
1k
10k
Frequency, f (Hz)
C_X: 47pF
470pF
Phase Shift
4700pF
(Right Scale)
0°
-10°
-20°
-30°
-40°
-50°
-60°
-70°
100k
-80°
-90°
1M
V_REF
39kΩ
39kΩ
+
-
CX
R_REF
C_REF
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R103-011.D