s-8460 Seiko Instruments Inc., s-8460 Datasheet - Page 19

• Manufacturer Part Number: s-8460
• Description: Step-up Or Down, Single-coil, Pwm Control Switching Regulator Controller
• Manufacturer: Seiko Instruments Inc.

Rev.2.1
(3) Load Fluctuations (I
STEP-UP OR DOWN, SINGLE-COIL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
V
(0.1 V/div)
(0.1 V/div)
I
OUT
(0.1 V/div)
OUT
I
V
I
OUT
V
OUT
10 μA
OUT
100 mA
OUT
100 mA
_00
100 mA
10 μA
10 μ A
I
I
I
OUT
OUT
OUT
: 10 μ A → 100 mA V
: 10 μA → 100 mA V
: 10 μA → 100 mA
OUT
t (0.5 ms/div)
t (0.5 ms/div)
t (0.5 ms/div)
: 10 μA → 100 mA, 100 mA → 10 μA, V
V
IN
IN
IN
: 2.64 V
: 4.95 V
: 18.0 V
Seiko Instruments Inc.
(0.1 V/div)
(0.1 V/div)
(0.1 V/div)
I
I
OUT
OUT
V
V
I
V
OUT
100 mA
OUT
OUT
100 mA
100 mA
OUT
10 μ A
10 μ A
IN
10 μ A
: 2.64 V, 4.95 V, 18.0 V, V
I
I
OUT
OUT
I
OUT
: 100 mA → 10 μ A
: 100 mA → 10 μ A V
:100 mA → 10 μ A V
t (40 ms/div)
t (40 ms/div)
t (40 ms/div)
OUT
: 3.3 V)
V
IN
IN
IN
: 18.0 V
: 2.64 V
: 4.95 V
S-8460
19