G5111T11U Просмотр технического описания (PDF) - Global Mixed-mode Technology Inc
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G5111T11U Datasheet PDF : 8 Pages
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Global Mixed-mode Technology Inc.
G5111
Absolute Maximum Ratings
SW to GND…………………………………..-0.3V to +30V
FB to GND…………… ……………………….-0.3V to VCC
VCC, SHDN to GND.............................…....-0.3V to +7V
Operating Temperature Range (Note 1)..-40°C to +85°C
Junction Temperature ......….......….........…........+125°C
Storage Temperature…………........…..-65°C to +150°C
Reflow Temperature (soldering, 10sec)…………260°C
Stress beyond those listed under “Absolute Maximum Rating” may cause permanent damage to the device.
Electrical Characteristics
(VCC = 3.6V, V SHDN = 3.6V, TA = 25°C)
PARAMETER
Input Voltage Range
Quiescent Current
FB Comparator Trip Point
Output Voltage Line Regulation
FB Pin Bias Current (Note 2)
Switch Off Time
Switch VDS(ON)
Switch Current Limit
SHDN Pin Current
SHDN Input Voltage High
SHDN Input Voltage Low
Switch Leakage Current
CONDITIONS
Not Switching
V SHDN = 0V
2.5V<VIN<6.5V
VFB = 1.2V
VFB > 1V
VFB < 0.6V
ISW = 300mA
Switch Off, VSW = 28V
MIN
2.5
---
---
1.18
---
---
---
---
---
300
---
0.9
---
---
TYP
---
20
0.1
1.2
-0.05
30
500
1.6
250
350
0.1
---
---
0.01
MAX
6.5
35
1
1.22
---
80
---
---
350
400
1
---
0.25
5
UNITS
V
µA
µA
V
%/V
nA
ns
µs
mV
mA
µA
V
V
µA
Note 1: The G5111 are guaranteed to meet performance specifications from 0°C to 85°C. Specifications over the
-40°C to 85°C operating temperature range are assured by design, characterization and correlation with sta-
tistical process controls.
Note 2: Bias current flows into the FB pin.
Block Diagram
L1
VIN
C1
VCC
SHDN
VOUT
C2
SW
VOUT
BIAS
SHUTDOWN
LOGIC
R1
ERROR
COMP
+
FB
en_sw
R2
VREF
1.2V
PUMP CONTROL
OC
COMP
DRIVER
+
TOFF PULSE
CONTROL
Ver: 1.2
Sep 09, 2004
GND
TEL: 886-3-5788833
http://www.gmt.com.tw
2
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