LTC3200-5 Linear Technology, LTC3200-5 Datasheet - Page 4

• Manufacturer Part Number: LTC3200-5
• Description: Regulated Charge Pump DC/DC Converters
• Manufacturer: Linear Technology

PIN
LTC3200/LTC3200-5
C
V
bypassed with a 1 F to 4.7 F low ESR ceramic capacitor.
C
GND (Pins 4,5/2): Ground. Should be tied to a ground
plane for best performance.
SHDN (Pins 6/3): Active Low Shutdown Input. A low on
SHDN disables the LTC3200/LTC3200-5. SHDN must not
be allowed to float.
4
2V/DIV
1V/DIV
TYPICAL PERFOR A CE CHARACTERISTICS
V
SHDN
V
IN
+
–
OUT
U
(Pins 1/6): Flying Capacitor Positive Terminal.
(Pins 3/4): Flying Capacitor Negative Terminal.
(Pins 2/5): Input Supply Voltage. V
V
V
IN
OUT
FUNCTIONS
= 3V
Soft-Start Ramp
U
200 s/DIV
U
LTC3200/LTC3200-5
W
32005 G08
U
C
C
OUT
C
OUT
COUPLED)
20mV/DIV
OUT
V
OUT
= 3.3 F
= 10 F
= 1 F
(AC
IN
Output Ripple
V
I
should be
L
IN
= 100mA
= 3.3V
200ns/DIV
FB (Pin 7): (LTC3200 Only) Feedback Input Pin. An output
divider should be connected from V
the output voltage.
V
be bypassed with a 1 F to 4.7 F low ESR ceramic capaci-
tor as close as possible to the pin for best performance.
OUT
(Pins 8/1): Regulated Output Voltage. V
32005 G09
(LTC3200-5) T
COUPLED)
50mA/DIV
50mV/DIV
10mA TO
90mA
V
(AC
OUT
I
L
V
C
A
IN
OUT
= 25 C
Load Transient Response
= 3.3V
= 1 F
OUT
10 s/DIV
to FB to program
OUT
should
32005 G10