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| Part Number | LM3553SD | LM3551SD | LM3552SD |
|---|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Active | Obsolete | Obsolete |
| Type | - | DC DC Regulator | DC DC Regulator |
| Topology | - | Step-Up (Boost) | Step-Up (Boost) |
| Internal Switch(s) | - | Yes | Yes |
| Number of Outputs | - | 1 | 1 |
| Voltage - Supply (Min) | - | 2.7V | 2.7V |
| Voltage - Supply (Max) | - | 5.5V | 5.5V |
| Voltage - Output | - | - | - |
| Current - Output / Channel | - | 1A (Flash) | 1A (Flash) |
| Frequency | - | 1.25MHz | 1.25MHz |
| Dimming | - | - | - |
| Applications | - | Camera Flash | Camera Flash |
| Operating Temperature | - | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | - | Surface Mount | Surface Mount |
| Package / Case | - | 14-WFDFN Exposed Pad | 14-WFDFN Exposed Pad |
| Supplier Device Package | - | 14-WSON (4x4) | 14-WSON (4x4) |
