參數(shù)資料
型號: TS3405
廠商: Taiwan Semiconductor Co., Ltd.
英文描述: Single Synchronous Buck PWM Controller
中文描述: 單同步降壓PWM控制器
文件頁數(shù): 3/10頁
文件大?。?/td> 409K
代理商: TS3405
Electrical Characteristics
(Iout= 0mA, and Tj = +25
o
C; unless otherwise specified.)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Vcc supply current
Nominal supply
IVcc
2.6
--
3.8
mA
Power-on reset
Rising Vcc power-on reset
threshold
3.8
4.0
4.2
Vcc power-on reset threshold
Hysteresis
POR
0.24
0.25
0.30
V
Oscillator
Frequency
F
OSC
V
OSC
Vcc= 5V
250
300
340
KHz
Ramp amplitude
--
1.5
--
V
Reference
Reference voltage Tolerance
--
--
1.5
%
Nominal reference voltage
V
REF
--
0.8
--
V
Error Amplifier
DC Gain
--
82
--
dB
Gain-bandwidth product
GBWP
14
--
--
MHz
Slew rate
SR
COMP= 10pF
4.65
8.0
9.2
V/uS
Gate Drivers
Upper gate source driver
I
UGATE-SRC
I
UGATE-SNK
I
LGATE-SRC
I
LGATE-SNK
--
15
--
Upper gate sink driver
V
BOOT
= 10V, I
UGATE
= 100mA
--
7
--
Lower gate source driver
--
9.5
--
Lower gate sink driver
V
VCC
= 5V, I
LGATE
= 100mA
--
3.5
--
Protection / Disable
OCP threshold
V
OCP
V
DISABLE
V
VCC
= 5V, sweep Phase
Sweep COMP
--
-300
--
mV
Disable threshold
Typical Application
--
0.3
--
V
Boot
Vgate
Phase
Lgate
TS3405
COMP
F
G
V
Rfilter
RF
Roffset
RS
Q1
Q2
Lout
Dboot
Single Power 5V Application
Cout
Cboot
CHF
Cbulk
CF
C1
CDCPL
U1
Vcc_5V
Vout
TS3405
3-10
2003/12 rev. A
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