
Ver: 1.9
Mar 07, 2007
TEL: 886-3-5788833
http://www.gmt.com.tw
2
G1117
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
(Note 1)
Input Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7V
Power Dissipation Internally Limited
(Note 2)
Maximum Junction Temperature . . . . . . . . . . . . . .150°C
Reflow Temperature (soldering, 10sec) . . . . . . 260°C
Thermal Resistance Junction to Ambient, (θJA)
SOT-223 . . . . . . . . . . . . . . . . . . . . . . . . . . . .116°C/W
Thermal Resistance Junction to Case, (θJc)
SOT-223 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21°C/W
Note (1): See Recommended Minimum Footprint
Operating Conditions
(Note 1)
(VIN-VADJ) Voltage. . . . . . . . . . . . . . . . . . . . . .2.5V~6.5V
Temperature Range. . . . . . . . . . . . . .-40°C
≤ TA ≤85°C
Electrical Characteristics
Operating Conditions: VIN ≤ 6.5V, TJ = 25°C unless otherwise specified. [Note3]
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Voltage
VIN - VOUT = 2V, IOUT = 10mA
1.225
1.250
1.275
V
Line Regulation
(VOUT + 1.5V) < VIN < 6.5V, IOUT = 10mA
---
1.32
---
%
Load Regulation
(VIN - VOUT) = 2V, 10mA < IOUT < 1A
---
0.04
---
%
ΔVOUT = 2%, IOUT = 800mA
---
1.2
1.3
Dropout Voltage
ΔVOUT = 2%, IOUT = 1A
---
1.3
1.4
V
Current Limit
(VIN - VOUT) = 2V
1000
1200
---
mA
Adjust Pin Current Change
VIN - VOUT = 2V, 10mA < IOUT < 1A
---
0.15
---
A
Minimum Load Current
1.5V < (VIN - VOUT) < 5.25V
10
---
mA
Quiescent Current
VIN - VOUT = 2V
30
80
150
A
Ripple Rejection
f = 120Hz, COUT = 10μF Tantalum,
(VIN - VOUT) = 3V, IOUT = 800mA
---
50
---
dB
Thermal Regulation
TA = 25°C, 30ms pulse
---
0.004
0.02
%/W
Temperature Stability
VIN = 4V, IO =10mA
---
0.3
---
%
RMS Output Noise (% of VOUT)
TA = 25°C, 10Hz < f < 10kHz, ILOAD = 10mA
---
0.007
---
%
Thermal Resistor Junction-to-Ambient
(No heat sink; No air flow)
SOT-223; Recommended Minimum Footprint
---
116
---
°C/W
Thermal Shutdown
Junction Temperature
---
150
---
°C
Thermal Shutdown Hysteresis
---
10
---
°C
Note1:
Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Conditions are
conditions under which the device functions but the specifications might not be guaranteed. For guaranteed specifications
and test conditions see the Electrical Characteristics.
Note2:
The maximum power dissipation is a function of the maximum junction temperature, TJmax ; total thermal resistance, θJA,
and ambient temperature TA. The maximum allowable power dissipation at any ambient temperature is Tjmax-TA / θJA. If
this dissipation is exceeded, the die temperature will rise above 150°C and IC will go into thermal shutdown. For the
G1117 in SOT-223 package;
θJA is 116°C/W (See recommend minimum footprint).
Note3:
Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
Note4:
The type of output capacitor should be tantalum or aluminum.