AZ494 Datasheet, PDF (5/12 Pages) List of Unclassifed Manufacturers – PULSE-WIDTH-MODULATION CONTROL CIRCUITS

Advanced Analog Circuits
Data Sheet
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
AZ494
Electrical Characteristics
All typical values, except for parameter changes with temperature, are at T_A = 25^oC.
Vcc=15V, f=10KHz unless otherwise noted.
Parameter
Symbol Conditions (Note 4)
Min Typ Max Unit
Reference Section
Output Voltage (REF)
Line Regulation
Load Regulation
Output Voltage Change with Temperature
V_ref I_O=1mA
V_CC = 7V to 36V
I_O=1mA to 10mA
∆T_A = MIN to MAX
4.75 5 5.25
V
2 25
mV
1 15
mV
2 10 mV/V
Short-Circuit Output Current (Note 5)
I_SC REF = 0V
Oscillator Section, C_T = 0.01µF, R_T = 12KΩ (See Figure 4)
Frequency
f_osc
25
mA
10
KHz
Standard Deviation of Frequency
(Note 6)
Frequency Change with Voltage
Frequency Change with Temperature
(Note 7)
All values of V_CC, C_T, R_T and
T_A constant
V_CC=7V to 36V, T_A = 25^oC
∆T_A= MIN to MAX
100
Hz/KHz
1
Hz/KHz
10 Hz/KHz
Error-Amplifier Section (See Figure 5)
Input Offset Voltage
Input Offset Current
Input Bias Current
Common-Mode Input Voltage Range
Large-Signal Open-Loop Voltage Gain
Large-Signal Unity-Gain Bandwidth
Common-Mode Rejection Ratio
Output Sink Current (FEEDBACK)
V_OS V_O (FEEDBACK) = 2.5V
2 10
mV
I_OS V_O (FEEDBACK) = 2.5V
25 250
nA
I_BIAS V_O (FEEDBACK) = 2.5V
0.2 1
µA
V_CC=7V to 36V
-0.3 to
V
V_CC-2
A_VO ∆V_O = 3V, R_L =2KΩ,
70 95
dB
V_O =0.5V to 3.5V
GB V_O =0.5V to 3.5V, R_L =2KΩ
800
KHz
CMRR _{∆VO = 36V, TA = 25}^o_C
65 80
dB
I_SINK V_ID = -15mV to -5V,
0.3 0.7
mA
V(FEEDBACK) = 0.7V
Output Source Current (FEEDBACK)
I_SOURCE V_ID = 15mV to 5V, V(FEED- -2
mA
BACK) = 3.5V
Output Section
Collector Off-State Current
Emitter Off-State Current
I_{C, OFF} V_CE = 36V, V_CC=36V
I_{E, OFF} V_CC = V_C = 36V, V_E = 0
2 100
µA
-100
µA
Collector-Emitter
Saturation Voltage
Common
Emitter
V_E = 0, I_C =200mA
1.1 1.3
V
Emitter Fol-
lower
V_O (C1 or C2) = 15V,
I_E = -200mA
1.5 2.5
March. 2003
5
Rev.1.0