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参数资料
| 型号： | G5180P8U |
| 厂商： | Global Mixed-mode Technology Inc. |
| 英文描述： | Switching Regulator Power Controller |
| 中文描述： | 开关稳压电源控制器 |
| 文件页数： | 2/9页 |
| 文件大小： | 341K |
| 代理商： | G5180P8U |
Ver: 0.4 Preliminary
Apr 27, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
2
G5180
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
Power Supply Voltage, VCC. . . . . . . . . . . . . . . . . . . .7V
VCC, IN- to GND. . . . . . . . . . . . . . . . . . . .-0.3V to +7V
SCP, BR/CTL, OUT, OSC, FB to GND
. . . . . . . . . . . . . . . . . . . . . . . .. . . -0.3V to (VCC+0.3V)
Operating Temperature, TOP . . . . . . . . . . 0°C to +85°C
Storage Temperature Range, TSTG . . .-65°C to+165°C
Reflow Temperature (soldering, 10sec) . . . . . . 260°C
Electrical Characteristics
VCC=2.2V, TA=25°C, unless otherwise noted.
PARAMETER
SYMBOL
CONDITION
MIN TYP MAX UNIT
Under voltage
lockout (UVLO)
Threshold voltage
VTH
1.3
1.5
1.7
V
Charging current
ICS
VSCP=0V
-1.5
-1
-0.7
A
Soft start
Voltage at soft start
completion
Vts
0.7
0.8
0.9
V
Charging current
ICSCP
VSCP=0V
-1.5
-1
-0.7
A
Short circuit detection
and protection (SCP) Threshold voltage
VtSCP
0.7
0.8
0.9
V
Oscillation frequency
fOSC
RT=3.0kΩ, CT=270pF
---
500
---
kHz
Frequency input
Stability
fΔV
VCC=2.2V to 6V
---
2
---
%
Sawtooth waveform
oscillator (OSC)
Frequency variation
with temperature
fΔT
TA=0°C to 85°C
---
5
---
%
Input threshold voltage
VT
VFB=450mV
480
500
520
mV
VT input stability
VTΔV
VCC=2.2 to 6V
-10
5
10
mV
VT variation with temperature
VTΔT
TA=0°C to 85°C
---
1
---
%
Input bias current
IB
VIN-=0V
-1
0
1
A
Voltage gain
AV
100
140
180
V/V
Frequency bandwidth
BW
Av=0dB
---
6
---
MHz
VOMax
+
0.78
2
---
V
Maximum output voltage range
VOMax
-
---
0.05
0.2
V
Output source current
IOMax
+
---
-60
-24
A
Error amplifier
Output sink current
IOMax
-
VFB=450mV
24
700
---
A
Idle
period
adjust-
ment section
Maximum duty cycle
TDUTY
RT=3.0kΩ, CT=270pF,
VFB=0.8V
75
85
95
%
VOH1
RB=390Ω, IO=-15mA
1
1.2
---
V
VOH2
RB=750Ω, VCC=2.2V, IO=-10mA
0.8
1
---
V
VOL1
RB=390Ω, IO=15mA
---
0.1
0.2
V
Output voltage
VOL2
RB=750Ω, VCC=2.2V,IO=10mA
---
0.1
0.2
V
Output source current
IO
+
RB=390Ω, VO=0.9V
---
-30
-20
mA
Output sink current
IO
-
RB=390Ω, VO=0.3V
30
60
---
mA
Output section
Pull down resistance
RO
20
30
50
k
Ω
Pin voltage
VBR
RB=390Ω
0.2
0.3
0.4
V
Input off condition
IOFF
-3
---
0
A
Input on condition
ION
---
-40
A
Output current Setting
/Control Section
Pin current range
IBR
-1.8
---
-0.1
mA
Stand-by current
ICCS
BR/CTL pin open or VCC
-1
---
1
A
Entire device
Average supply current
ICC
RB=390Ω
---
2
5
mA
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