RT9745A Datasheet, PDF (6/16 Pages) Richtek Technology Corporation – Low Resistance Load Switch

RT9745A
Typical Application Circuit
V_IN1
0.8V to 5.5V
C_IN1
1, 2 _VIN1
VOUT1 ^{13, 14}
C_IN2
RT9745A
Enable
V_DD
2.5V to 5.5V
Enable
V_IN2
0.8V to 5.5V
C_IN3
3 _EN1
4 _VDD
5 _EN2
6, 7 _VIN2
C_IN4
11, 15 (Exposed Pad) _GND
SS1 ¹²
SS2 ¹⁰
VOUT2 ^{8, 9}
C_OUT1
V_OUT1
R_L1
C_SS1
C_SS2
C_OUT2
V_OUT2
R_L2
Timing Diagram
VIN
VOUT
V_OUT
+
-
C_IN
RT9745A
C_OUT R_L
Enable
EN
VDD
GND
Single Channel Shown for Clarity
TEST CIRCUIT
V_EN
V_OUT
50%
t_ON
t_D
50%
t_OFF
50%
50%
V_OUT
t_r
90%
10%
t_f
90%
10%
Figure 1. Test Circuit and t_ON/t_OFF Waveforms
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DS9745A-00 August 2014