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參數(shù)資料
| 型號： | RT9203AGS |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| 中文描述： | 雙穩(wěn)壓器-同步降壓PWM型DC - DC和線性控制器 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 228K |
| 代理商： | RT9203AGS |
RT9203/A
Preliminary
6
DS9203/A-10 March 2007
www.richtek.com
Absolute Maximum Ratings
Electrical Characteristics
(V
CC
= 5V, T
A
= 25
°
C, Unless otherwise specified.)
Parameter
VCC Supply Current
l
Supply Voltage VCC ------------------------------------------------------------------------------------------------7V
l
BOOT & UGATE to GND -------------------------------------------------------------------------------------------19V
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
SOP-8,
θ
JA
-------------------------------------------------------------------------------------------------------------160
°
C/W
l
Ambient Temperature Range --------------------------------------------------------------------------------------0
°
C to +70
°
C
l
Junction Temperature Range --------------------------------------------------------------------------------------
40
°
C to +125
°
C
l
Storage Temperature Range ---------------------------------------------------------------------------------------
65
°
C to +150
°
C
l
Lead Temperature (Soldering, 10 sec.)--------------------------------------------------------------------------260
°
C
CAUTION:
Stresses beyond the ratings specified in
“
Absolute Maximum Ratings
”
may cause permanent damage to the device.
This is a stress only rating and operation of the device at these or any other conditions above those indicated in the
operational sections of this specification is not implied.
Symbol
Test Conditions
Min
Typ
Max
Units
Nominal Supply Current
VCC Regulated Voltage
Power-On Reset
I
CC
V
CC
UGATE, LGATE open
V
BOOT
= 12V
--
5.0
3
6.0
--
7.0
mA
V
Rising VCC Threshold
VCC Threshold Hysteresis
Reference
3.8
--
4.1
0.5
4.4
--
V
V
Reference Voltage
Oscillator
V
FB
Both PWM and linear regulator
0.784
0.8
0.816
V
Free Running Frequency
Ramp Amplitude
PWM Error Amplifier
V
OSC
250
--
300
1.75
350
--
kHz
V
P-P
DC gain
PWM Controller Gate Driver
32
35
38
dB
Upper Drive Source
R
UGATE
BOOT = 12V
BOOT-V
UGATE
= 1V
V
UGATE
= 1V
VCC - V
LGATE
= 1V
V
LGATE
= 1V
--
7.5
11
Upper Drive Sink
Lower Drive Source
Lower Drive Sink
Linear Regulator
DRV Driver Source
R
UGATE
R
LGATE
R
LGATE
--
--
--
5
3.5
2
8
6
5
V
DRV
= 2V
100
--
--
mA
To be continued
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| RT9203APS | Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9203GS | Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9203PS | Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9204AGS | Dual Regulators - Standard Buck PWM DC-DC and Linear Controller |
| RT9204APS | Dual Regulators - Standard Buck PWM DC-DC and Linear Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RT9203APS | 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 |
| RT9203GS | 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 |
| RT9203PS | 制造商:Richtek 功能描述:DC/DC (IC) |
| RT9204 | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Standard Buck PWM DC-DC and Linear Controller |
| RT9204_07 | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Standard Buck PWM DC-DC and Linear Controller |
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