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TS3405 Datasheet, PDF (3/10 Pages) Taiwan Semiconductor Company, Ltd – Single Synchronous Buck PWM Controller
Electrical Characteristics (Iout= 0mA, and Tj = +25 oC; unless otherwise specified.)
Parameter
Vcc supply current
Nominal supply
Power-on reset
Rising Vcc power-on reset
threshold
Vcc power-on reset threshold
Hysteresis
Oscillator
Frequency
Ramp amplitude
Reference
Reference voltage Tolerance
Nominal reference voltage
Error Amplifier
DC Gain
Gain-bandwidth product
Slew rate
Gate Drivers
Upper gate source driver
Upper gate sink driver
Lower gate source driver
Lower gate sink driver
Protection / Disable
OCP threshold
Disable threshold
Typical Application
Symbol
IVcc
Test Conditions
POR
Min Typ
2.6
--
3.8
4.0
0.24
0.25
FOSC
∆VOSC
Vcc= 5V
250
300
--
1.5
VREF
--
--
--
0.8
GBWP
SR
COMP= 10pF
--
82
14
--
4.65
8.0
IUGATE-SRC VBOOT= 10V, IUGATE = 100mA
--
15
IUGATE-SNK
--
7
ILGATE-SRC VVCC= 5V, ILGATE = 100mA
--
9.5
ILGATE-SNK
--
3.5
VOCP
VDISABLE
VVCC= 5V, sweep Phase
Sweep COMP
--
-300
--
0.3
Vcc_5V
Max
3.8
4.2
0.30
340
--
1.5
--
--
--
9.2
--
--
--
--
--
--
Unit
mA
V
KHz
V
%
V
dB
MHz
V/uS
Ω
Ω
mV
V
RF
CF
Roffset
Rfilter
CDCPL
U1
TS3405
COMP
Boot
Vgate
Phase
C1
Lgate
Cbulk
Dboot
Q1
Cboot
Q2
RS
CHF
Vout
Lout
Cout
Single Power 5V Application
TS3405
3-10
2003/12 rev. A