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參數(shù)資料
| 型號： | V62/04645-02XE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.5 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO30 |
| 封裝： | GREEN, TSSOP-30 |
| 文件頁數(shù)： | 2/23頁 |
| 文件大?。?/td> | 477K |
| 代理商： | V62/04645-02XE |
TPS5120EP
DUAL OUTPUT, TWOPHASE SYNCHRONOUS BUCK DC/DC CONTROLLER
SGLS224A JANUARY 2004 REVISED APRIL 2006
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended free-air temperature range, VCC = 7 V (unless
otherwise noted)
reference voltage
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vref
Reference voltage
0.85
V
Vref(tol) Reference voltage tolerance
TA = 25°C,
I = 50
A
1.5%
Vref(tol) Reference voltage tolerance
TJ = 55°C to 125°C,
I = 50
A
3%
R(egin)
Line regulation
VCC = 4.5 V to 28 V,
I = 50
A
0.05
3
mV
R(egl)
Load regulation
I = 0.1
A to 1 mA
0.15
5
mV
oscillator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fosc
Frequency
PWM mode,
CT = 44 pF,
TA = 25 °C
300
kHz
VOH
High level output voltage
DC
1.1
V
VOH
High level output voltage
fosc = 300 kHz
1.17
V
VOL
Low level output voltage
DC
0.5
V
VOL
Low level output voltage
fosc = 300 kHz
0.43
V
error amplifier
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIO
Input offset voltage
TA = 25°C
2
10
mV
Open-loop voltage gain
50
dB
Unity-gain bandwidth
2.5
MHz
I(snk)
Output sink current
VO = 1 V
0.3
0.7
mA
I(src)
Output source current
VO = 1 V
0.2
0.9
mA
skip comparator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vhys
Hysteresis window
SKIP mode
9
mV
duty control
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DUTY
Maximum duty cycle
300 kHz,
VI = 0 V
83%
control
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIH
High-level input voltage
STBY1, STBY2
2.2
V
VIH
High-level input voltage
PWM/SKIP, 5V_STBY
2.2
V
VIL
Low-level input voltage
STBY1, STBY2
0.3
V
VIL
Low-level input voltage
PWM/SKIP, 5V_STBY
0.3
V
5-V internal switch
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V(TO_H)
Threshold
4.2
4.8
V
V(TO_L)
Threshold
4.1
4.7
V
Vhys
Hysteresis
30
115
200
mV
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