TS3404 Datasheet, PDF (2/5 Pages) Taiwan Semiconductor Company, Ltd – PWM Buck Controller

Recommended Operating Conditions
Parameter
Symbol.
Min.
Max.
Supply voltage
Amplifier input voltage
Collector output voltage
Current into feedback terminal
Feedback resistor
Timing capacitor
Oscillator frequency
Electrical Characteristics
V_CC
V_I
V_O
I_FB
R_F
C_T
F_OSC
3.6
27
1.05
1.45
Vcc~1.5
45
100
100
6800
10
300
(V_CC =6V, f = 200KHz, Ta =25 ^oC; unless otherwise specified.)
Parameter
Reference
Comp. Connect to FB
Output voltage change with
temperature
Under voltage lock out (UVLO)
Upper threshold Voltage
Lower threshold voltage
Hysteresis
Short circuit protection (SCP)
Input threshold voltage
Standby voltage
Latched input voltage
Input (source) current
Comparator threshold voltage
Oscillator (OSC)
Frequency
Standard deviation of frequency
Frequency change with voltage
Error Amplifier
Input offset voltage
Input offset current
Input bias current
Common mode input voltage
range
Open loop voltage amplification
Unity gain bandwidth
Common mode reject ratio
Max. output voltage
Min. output voltage
Output (sink) current (Comp)
Output (source) current (Comp)
Symbol
Test Conditions
V_REF
Ta= -20 ^oC ~ 25 ^oC
Ta= 25 ^oC ~ 85 ^oC
V_UT
V_LWT
V_HT
V_iT
V_STB
V_LT
I_SCP
V_CT
I_O(REF) = 0.1mA, Ta= 25 ^oC
Ta= 25 ^oC
No pull up
No pull up
V_I = 0.7V, Ta= 25 ^oC
F_OSC
∆F_OSC
C_T = 270pF
C_T = 270pF
V_CC = 3.6V ~ 20V
V_IO
I_IO
I_IB
V_CM
AV
GBW
CMRR
V_OH
V_OL
I_OI
I_OO
V_O (FB)= 1.25V
V_CC = 3.6V ~ 20V
R_F = 200kΩ
V_ID = - 0.1V, V_O = 1.25V
Min Typ
1.225
1.25
- 0.1
- 0.2
2.9
2.4
0.5
0.60 0.67
100
130
50
- 10
- 15
1.5
200
10
1
160
1.05
70
80
1.5
60
80
VREF~0.1
0.5
1.6
- 45
- 70
Unit
V
V
V
uA
KΩ
pF
KHz
Max Unit
1.275
V
1
%
1
V
0.75
V
160
mV
100
mV
- 20
uA
V
KHz
%
±6
± 100
500
1.45
1
mV
nA
nA
V
dB
MHz
dB
V
V
mA
uA
TS3404
2-5
2003/12 rev. A