RT5707/A
Absolute Maximum Ratings
(Note 1)
VIN, SW, EN, VSEL1, VSEL2, VSEL3, VOUT --------------------------------------------------------------------
−0.3V
to 6V
Power Dissipation, P
D
@ T
A
= 25°C
WL-CSP-8B 0.9x1.6 (BSC) --------------------------------------------------------------------------------------------- 0.84W
Package Thermal Resistance (Note 2)
WL-CSP-8B 0.9x1.6 (BSC),
θ
JA
--------------------------------------------------------------------------------------- 118.5°C/W
Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260°C
Junction Temperature Range -------------------------------------------------------------------------------------------- 150°C
Storage Temperature Range --------------------------------------------------------------------------------------------
−
65°C to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Model) ---------------------------------------------------------------------------------------------- 2kV
(Note 4)
Recommended Operating Conditions
Supply Input Voltage ------------------------------------------------------------------------------------------------------ 2.2V to 5.5V
RT5707 Output Current (5.5V
≥
VIN
≥
(V
OUT_NOM
+ 0.7V)
≥
3V) ---------------------------------------------- 0mA to 600mA
RT5707A Output Current (5.5V
≥
VIN
≥
(V
OUT_NOM
+ 0.7V)
≥
3V) -------------------------------------------- 0mA to 400mA
Junction Temperature Range --------------------------------------------------------------------------------------------
−40°C
to 125°C
Ambient Temperature Range --------------------------------------------------------------------------------------------
−40°C
to 85°C
Electrical Characteristics
(V
IN
= 3.6V, C
IN
= C
OUT
= 10μF, L1 = 2.2μH, T
A
= 25°C, unless otherwise specified)
Parameter
BUCK Regulator
Under-Voltage Lockout
Rising Threshold
Under-Voltage Lockout
Hysteresis
V
OUT
Voltage Accuracy
Symbol
Test Conditions
Min
Typ
Max
Unit
V
UVLOR
V
UVLO_HYS
V
OUT_ACC10
V
OUT_ACC100
I
Q_Non-SW
V
IN
rising
--
--
2
0.1
--
--
360
460
0.2
1.2
1.2
0.78
1.2
0.68
350
250
2.15
0.4
2.5
2
800
V
V
%
V
OUT
= 1.8V, I
OUT
= 10mA
V
OUT
= 1.8V, I
OUT
= 100mA
V
OUT
= 1.8V, I
OUT
= 0A, EN = V
IN
,
non-switching
V
OUT
= 1.8V, I
OUT
= 0A, EN = V
IN
,
switching
EN = GND
V
OUT
= 1.8V, CCM mode
3V
V
IN
5.5V
3V
V
IN
5.5V
I
OUT
= 50mA
I
OUT
= 50mA
RT5707
RT5707A
RT5707
RT5707A
2.5
2
--
--
--
--
1
0.68
1
0.55
--
--
Input Quiescent Current
I
QSW
Shutdown Current
Switching Frequency
UGATE Current Limit
LGATE Current Limit
UGATE R
ON
LGATE R
ON
I
SHDN
f
SW
I
CL_UG
I
CL_LG
R
ON_UG
R
ON_LG
nA
1200
1
--
1.4
0.88
1.4
0.8
--
--
A
MHz
A
A
m
m
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS5707/A-03 February 2019
www.richtek.com
5
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
