FAN5362 Fairchild Semiconductor, FAN5362 Datasheet - Page 4

• Manufacturer Part Number: FAN5362
• Description: The FAN5362 is a 500mA or 750mA, step-down, switching voltage regulator that delivers a fixed output voltage from an input voltage supply of 2
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN5362 • Rev. 1.0.4
Electrical Characteristics
Minimum and maximum values are at V
Figure 1, unless otherwise noted. Typical values are at T
Power Supplies
Switching and Synchronization
Regulation
Output Driver
Notes:
5.
6.
Symbol
V
R
I
V
V
V
V
f
LIM(OL)
UVHYST
V
T
T
I
I
SYNC
f
DS(on)
I
UVLO
(ENH)
V
t
(SD)
(ENL)
(EN)
I
(MH)
(M)
SW
TSD
HYS
(ML)
SS
Limited by the effect of t
The Electrical Characteristics table reflects open-loop data. Refer to the Operation Description and Typical Characteristics
for closed-loop data.
Q
O
Quiescent Current
Shutdown Supply Current
Under-Voltage Lockout
Threshold
Under-Voltage Lockout
Hysteresis
Enable HIGH-Level Input Voltage
Enable LOW-Level Input Voltage
Enable Input Leakage Current
MODE HIGH-Level Input Voltage
MODE LOW-Level Input Voltage
MODE Input Leakage Current
Switching Frequency
MODE Synchronization Range
Output Voltage
Accuracy
Soft-Start
PMOS On Resistance
NMOS On Resistance
PMOS Peak Current Limit
Thermal Shutdown
Thermal Shutdown Hysteresis
Parameter
OFF
2.10V
2.50V
2.70V, 2.90V,
3.30V
minimum (see Figure 8 in Typical Performance Characteristics).
(5)
(5)
IN
= V
(5)
EN
No Load, Not Switching, V
PWM Mode
EN = GND
Rising V
V
Square Wave at MODE Input
I
I
200mV
I
300mV
I
150mV
I
300mV
From EN Rising Edge
V
V
EN to V
MODE to V
V
V
LOAD
LOAD
LOAD
LOAD
LOAD
= 2.7V to 5.5V, V
IN
IN
IN
OUT
OUT
= 3.6V, T
= V
= V
= 0 to 400mA, V
= 0 to 400mA, V
= 0 to 750mA
= 0 to 500mA, V
= 0 to 500mA, V
= 2.1V
= 2.5V, 2.7V, 2.9V, 3.3V
GS
GS
IN
IN
or GND
= 3.6V
= 3.6V
A
Conditions
IN
= 25°C, V
A
or GND
= 25°C
4
MODE
IN
IN
IN
IN
IN
≥ V
≥ V
= V
= 0V (AUTO Mode), T
≥ V
≥ V
IN
OUT
OUT
EN
OUT
OUT
> 3V
= 3.6V, V
+
+
+
+
MODE
2.037
(-3%)
2.375
(-5%)
2.425
(-3%)
Min.
1.05
1.05
-5%
-3%
800
2.7
1.3
= 0V, C
A
= -40°C to +85°C; circuit of
2.100
2.500
2.500
OUT
Typ.
1375
1000
0.05
0.01
0.01
175
180
330
300
150
2.5
3.0
1.5
45
15
5
=10µF.
www.fairchildsemi.com
(+3%)
(+3%)
(+3%)
2.163
2.575
2.575
Max.
1150
+3%
+3%
1.00
1.00
1.00
300
2.6
0.4
0.4
3.3
1.7
75
Unit
MHz
MHz
m
m
mA
mV
mA
mA
µA
µA
µA
µA
µs
°C
°C
V
V
V
V
V
V