lm2770sdx-12157 National Semiconductor Corporation, lm2770sdx-12157 Datasheet - Page 9

• Manufacturer Part Number: lm2770sdx-12157
• Description: High Efficiency Switched Capacitor Step-down Dc/dc Regulator With Sleep Mode
• Manufacturer: National Semiconductor Corporation

Typical Performance Characteristics
1.0µF, C
V
CH1 (top): Output Current; Scale: 100mA/Div
CH2: V
Time scale: 40µs/Div
V
CH1: V
CH2: V
Time scale: 40µs/Div
IN
Dynamic Output Voltage Switching: 1.5V to 1.2V
IN
= 3.6V, V
= 3.6V, V
OUT
OUT
SEL
OUT
; Scale: 100mV/Div
; Scale: 500mV/Div
pin; Scale: 2V/Div
= 10µF, T
OUT
OUT
= 1.5V, Load = 10mA - 150mA step
= 1.5V, Load = 10mA - 150mA step
A
= 25
Load Step
o
C. Capacitors are low-ESR multi-layer ceramic capacitors (MLCC’s). (Continued)
20126010
20126016
Unless otherwise specified: C
9
V
CH1: SLEEP pin; Scale: 2V/Div
CH2: V
Time scale: 200µs/Div
IN
= 3.6V, V
OUT
; Scale: 200mV/Div
Active-to-Sleep Mode Transitions
OUT
= 1.5V, Load = 20mA
IN
= 10µF, C1 = 1.0µF, C2 =
20126017
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