FAN5361 Fairchild Semiconductor, FAN5361 Datasheet - Page 4

• Manufacturer Part Number: FAN5361
• Description: The FAN5361 is a 600mA or 750mA, step-down, switching voltage regulator that delivers a fixed output from an input voltage supply of 2
• Manufacturer: Fairchild Semiconductor

Electrical Characteristics
Minimum and maximum values are at V
Figure 1, unless otherwise noted. Typical values are at T
Power Supplies
Logic Inputs: EN and MODE Pins
Switching and Synchronization
Regulation
Output Driver
Notes:
3.
4.
5.
© 2008 Fairchild Semiconductor Corporation
FAN5361 • Rev. 1.1.2
Symbol
V
V
R
I
V
UVHYST
f
LIM(OL)
T
T
I
SYNC
LHYST
DS(on)
V
f
UVLO
V
V
t
(SD)
I
Limited by the effect of t
Output voltage accuracy minimum: 1.862V for V
Refer to Operation Description and Typical Characteristics for closed-loop data.
I
SW
HYS
SS
TSD
IN
Q
IH
IL
O
Quiescent Current
Shutdown Supply Current
Under-Voltage Lockout Threshold
Under-Voltage Lockout Hysteresis
Enable HIGH-Level Input Voltage
Enable LOW-Level Input Voltage
Logic Input Hysteresis Voltage
Enable Input Leakage Current
Switching Frequency
MODE Synchronization Range
Output Voltage
Accuracy
Soft-Start
PMOS On Resistance
NMOS On Resistance
PMOS Open-Loop Peak Current
Limit
Thermal Shutdown
Thermal Shutdown Hysteresis
(5)
Parameter
OFF
minimum (see Figure 14 and Figure 15 in Typical Performance Characteristics).
(3)
1.900V
1.820V
1.500V
1.233V
IN
= V
(3)
EN
= 2.3V to 5.5V, V
No Load, Not Switching
PWM Mode
V
Rising V
Pin to V
V
Square Wave at MODE Input
I
PWM Mode
I
PWM Mode
I
PWM Mode
I
PWM Mode
From EN Rising Edge
V
V
V
V
CCM Only
LOAD
LOAD
LOAD
LOAD
IN
IN
IN
IN
OUT
OUT
IN
= 3.6V, EN = GND
= 3.6V, T
= V
= V
2.7 to 5.5V on 1.9V option.
A
= 0 to 750mA
= 0 to 600mA
= 0 to 600mA
= 0 to 600mA
= 1.233V, 1.5V, 1.82V
= 1.9V
= 25°C, V
GS
GS
IN
IN
= 3.6V
= 3.6V
or GND
Conditions
(4)
A
4
MODE
= 25°C
IN
= V
= 0V (AUTO Mode), T
(4)
EN
= 3.6V.
1.832
1.832
1.784
1.784
1.470
1.470
1.207
1.207
Min.
1180
900
1.2
5.4
1.3
A
= -40°C to +85°C; circuit of
1.900
1.900
1.820
1.820
1.500
1.500
1.233
1.233
Typ.
1100
1375
0.05
2.15
0.01
150
180
350
225
150
100
6.0
1.5
35
15
6
www.fairchildsemi.com
Max.
1.957
1.938
1.875
1.856
1.545
1.530
1.272
1.259
1250
1550
1.00
2.25
1.00
300
0.4
6.6
1.7
55
Unit
MHz
MHz
mA
mV
mV
m
mA
µA
µA
µA
µs
°C
°C
V
V
V
V