Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
SW, OVP to GND……..………..………….-0.3V to +18V
VCC,
SHDN
to GND..........................…...-0.3V to +7V
FB to GND..........................................……-0.3V to VCC
Operating Temperature…….……………..-40°C to 85°C
G5115/G5117/G5119
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
(V
CC
=V
SHDN
=3.6V, T
A
=25°C, unless specified)
PARAMETER
Input Voltage Range
OV Protection Threshold
OV Pin Input Current
Quiescent Current
FB Comparator Trip Point
Switch Off Time
Switch R
DS(ON)
Switch Leakage Current
Switch Current Limit
V
FB
= 0V
I
SW
= 150mA
Switch Off, V
SW
= 18V
G5115/G5119, Trigger
G5115/G5119, Release
G5115/G5119, V
ovp
= 16V
V
FB
= 0.3V
V
SHDN
= 0V
CONDITION
MIN
1.7
15
---
---
---
---
242
---
---
---
200
0.9
---
TYP
---
16
---
10
50
2.4
250
400
0.8
0.1
250
---
---
MAX
6.5
17
14
15
100
3
258
---
1.2
5
300
---
0.25
UNIT
V
V
V
µA
µA
µA
mV
ns
Ω
µA
mA
V
V
SHDN
Pin Voltage High
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
V
IN
C1
VCC
SHDN
C2
D1
V
OUT
*
SW
OVP
**
BIAS
V
OUT
LED
Series
FB
R2
+
SHUTDOWN
LOGIC
PUMP CONTROL
OC
DRIVER
COMP
en_sw
+
T
OFF
PULSE
CONTROL
CTRL
ERROR
COMP
0.25V
VREF
GND
*
SHDN pin only availiable for G5117/G5119
**
OVP pin only availiable for G5115/G5119
Ver: 1.1
Sep 20, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
2
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
