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參數(shù)資料
| 型號(hào)： | RT9202BPS |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | Single Synchronous Buck PWM DC-DC Controller |
| 中文描述： | 單同步降壓PWM DC - DC控制器 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大小： | 209K |
| 代理商： | RT9202BPS |
RT9202B
5
DS9202B-03 March 2007
www.richtek.com
Electrical Characteristics
(V
CC
= 5V, T
A
= 25
°
C, Unless otherwise specified.)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
V
CC
Supply Current / Regulated Voltage
Nominal Supply Current
I
CC
UGATE, LGATE open
--
3
6
mA
Regulated Voltage from BOOT
V
CC
V
BOOT
= 12V
5
6
7
V
Power-On Reset
Rising V
CC
Threshold
V
OCSET
= 4.5V
3.85
4.1
4.35
V
V
CC
Threshold Hysteresis
V
OCSET
= 4.5V
0.3
0.5
0.7
V
Rising V
OCSET
Threshold
Reference
0.8
1.25
2.0
V
Reference Voltage
0.784
0.8
0.816
V
Oscillator
Free Running Frequency
250
300
350
kHz
Ramp Amplitude
V
OSC
--
1.75
--
V
P-P
Error Amplifier
DC gain
32
35
38
dB
PWM Controller Gate Driver
Upper Drive Source
R
UGATE
BOOT= 12V
BOOT-V
UGATE
= 1V
--
7
11
Upper Drive Sink
R
UGATE
V
UGATE
= 1V
--
5
7.5
Lower Drive Source
R
LGATE
V
CC
- V
LGATE
= 1V,
--
4
6
Lower Drive Sink
R
LGATE
V
LGATE
= 1V
--
2
4
To be continued
Absolute Maximum Ratings
(Note 1)
l
Supply Input Voltage, V
CC
----------------------------------------------------------------------------------------- 7V
l
BOOT & UGATE to GND -------------------------------------------------------------------------------------------- 15V
l
Input, Output or I/O Voltage ---------------------------------------------------------------------------------------- GND
0.3V to 7V
l
Power Dissipation, P
D
@ T
A
= 25
°
C
SOP-8 ------------------------------------------------------------------------------------------------------------------- 0.625W
l
Package Thermal Resistance (Note 4)
SOP-8,
θ
JA
-------------------------------------------------------------------------------------------------------------- 160
°
C/W
l
Ambient Temperature Range --------------------------------------------------------------------------------------- 0
°
C to +70
°
C
l
Lead Temperature (Soldering, 10 sec.)--------------------------------------------------------------------------- 260
°
C
l
Storage Temperature Range ----------------------------------------------------------------------------------------
65
°
C to +150
°
C
l
ESD Susceptibility (Note 2)
HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions
(Note 3)
l
Junction Temperature Range ---------------------------------------------------------------------------------------
40
°
C to +125
°
C
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| RT9202CS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:SINGLE SYNCHRONOUS BUCK PWM DC-DC CONTROLLER |
| RT9202GS | 制造商:Richtek Technology Corporation 功能描述: |
| RT9202PS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Single Synchronous Buck PWM DC-DC Controller |
| RT9203 | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9203AGS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
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