L6926 STMicroelectronics, L6926 Datasheet - Page 5

• Manufacturer Part Number: L6926
• Description: IC REG HE SYNC STEP DOWN 8-MSOP
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L6926

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 5.5 V
• Current - Output: 800mA
• Frequency - Switching: 600kHz
• Voltage - Input: 2 ~ 5.5 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Power - Output: 450mW
• Mounting Style: SMD/SMT
• High Efficiency: up to 95%
• Low Drop-out Operation: up to 100% duty cycle
• For Use With: 497-4737 - BOARD EVAL L6926 STEP DOWN REG
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L6926
3
Table 4.
DC characteristics
Error amplifier characteristics
Symbol
V
V
V
V
cc OFF
f
cc ON
cc hys
V
f
I
sync
V
R
R
OUT
I
osc
I
I
lim
I
sh
fb
lx
cc
q
fb
p
n
Operating input voltage
Turn on threshold
Turn off threshold
Hysteresis
High side Ron
Low side Ron
Peak current limit
Valley current limit
Output voltage range
Oscillator frequency
Sync mode clock
Quiescent current
(low noise mode)
Quiescent current
(low consumption mode)
Shutdown current
LX leakage current
Voltage feedback
Feedback input current
Electrical characteristics
T
Electrical characteristics
J
= 25 °C, V
Parameter
IN
(2)
= 3.6 V unless otherwise specified.
(2)
(2)
V
V
After turn on
V
V
V
V
V
V
V
V
RUN to GND, V
RUN to GND, V
V
RUN to GND, V
V
V
cc
cc
cc
cc
sync
FB
sync
FB
sync
FB
cc
cc
FB
(1)
= 3.6 V, I
= 3.6 V, I
= 3.6 V
= 5.5 V
= 5.5 V
= 3.6 V
> 0.6 V
> 0.6 V
> 0.6 V
= 0.6 V
= 0 V, no load,
= 0 V, no load,
= V
Doc ID 9302 Rev 9
cc
, no load,
Test condition
lx
lx
=100 mA
=100 mA
cc
LX
LX
= 5.5 V
= 5.5 V,
= 0V,
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
0.593
0.590
Min.
0.85
450
400
500
0.9
V
2
1
1
fb
Electrical characteristics
0.600
0.600
Typ.
100
240
215
600
600
200
2.2
1.2
1.4
0.2
25
25
1
1
0.607
0.610
Max.
1400
1.65
1.85
V
300
400
300
400
700
800
300
300
5.5
1.5
1.7
50
2
CC
Unit
kHz
kHz
mΩ
mΩ
mV
µA
µA
µA
µA
µA
nA
V
V
V
A
A
V
V
V
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