Global Mixed-mode Technology Inc.
G5115/G5117/G5119
Absolute Maximum Ratings
SW, OVP to GND……..………..………….-0.3V to +18V
Junction Temperature ..........................................125°C
Storage Temperature………...............…-65°C to 150°C
Reflow Temperature (soldering, 10sec).…..……..260°C
VCC, SHDN to GND..........................…...-0.3V to +7V
FB to GND..........................................……-0.3V to VCC
Operating Temperature…….……………..-40°C to 85°C
Stress beyond those listed under “Absolute Maximum Rating” may cause permanent damage to the device.
Electrical Characteristics
(VCC=V SHDN =3.6V, TA=25°C, unless specified)
PARAMETER
CONDITION
MIN
1.7
15
TYP
---
MAX
6.5
17
UNIT
V
Input Voltage Range
G5115/G5119, Trigger
16
V
OV Protection Threshold
OV Pin Input Current
Quiescent Current
G5115/G5119, Release
G5115/G5119, Vovp = 16V
---
---
14
V
---
10
15
µA
µA
µA
mV
ns
VFB = 0.3V
V SHDN = 0V
---
50
100
3
---
2.4
250
400
0.8
0.1
250
---
FB Comparator Trip Point
Switch Off Time
242
---
258
---
VFB = 0V
Switch RDS(ON)
ISW = 150mA
---
1.2
5
Ω
Switch Leakage Current
Switch Current Limit
SHDN Pin Voltage High
Switch Off, VSW = 18V
---
µA
mA
V
200
0.9
300
---
---
---
0.25
V
SHDN Pin Voltage Low
Note.1:The G5115/G5117/G5119 are guaranteed to meet performance specifications from 0°C~85°C. Specifications
over the -40°C~85°C operating temperature range are assured by design, characterization and correlation
with statistical process controls.
Block Diagram
L1
D1
VIN
VOUT
C2
C1
*
SHDN
SW
OVP**
VCC
SHUTDOWN
LOGIC
BIAS
CTRL
VOUT
PUMP CONTROL
LED
Series
OC
COMP
ERROR
COMP
DRIVER
+
FB
en_sw
+
TOFF PULSE
CONTROL
R2
VREF
0.25V
GND
*
SHDN pin only availiable for G5117/G5119
** OVP pin only availiable for G5115/G5119
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 1.1
Sep 20, 2004
2
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
